#addition polymer

[materialsscienceandengineering]

Modeling system could enable future generations of self-sensing materials

Research that eliminates the guesswork in developing advanced 3D printed materials could help accelerate the development of new forms of "self-sensing" airplanes, robots, bridges and more. A team of engineers led by researchers from the University of Glasgow have developed the first system capable of modeling the complex physics of 3D-printed composites capable of detecting strain, load, and damage using nothing more than a measure of electrical current. By allowing material scientists to predict in advance for the first time how new structures can be fine-tuned to produce specific combinations of strength, stiffness, and self-sensing properties, it could help catalyze the development of revolutionary new applications for the technology.

Read more.

[ivan-fyodorovich-k]

so fudd just means “has old guns” now

[oof-i-did-it-agaaiiin]

G: Like a Gameboy?

J: Like a Gameboy!

G: But Jerry, Gameboys are plastic! Waffle irons, they-they heat! They’ve gotta be made of metal. The plastic would melt!

J: I don’t know, George. Technology these days! They got them space-age polymers. They could make a waffle iron outta polymers-

G: Polymers, polymers! What do you know about polymers?

J: I know things!

G: You wouldn’t know a polymer from an amorphous metal!

J: What are you talking about?

G: I don’t know, I read an article.

J: Of course. An article.

(KRAMER enters. Audience cheers.)

K: You talking ‘bout that new NASA article? It’s disgraceful the things they’ve been doing with carbon these days. Disgraceful!

G: Jerry thinks waffle irons should be see-through.

K: Why?

J: They seem unsupervised! I wanna know what’s going on in there!

K: Well why should you get to know? See I think they deserve some privacy. We live in a police state, Jerry! Constant surveillance! The government, first they’ll be wanting to see the waffles cook, next they’re trying to find out how the air fryer fries! Before you know it you’ve got the CIA barging in on your slow-cooker without a warrant! A watched pot never boils, Jerry!

I hate that waffle irons aren’t see-through. I don’t like how unsupervised they are in there

[tephrapolymers123]

Tephra Polymers has established itself as a leader in the additive masterbatch manufacturing industry in India. With a strong emphasis on quality, innovation, and customer satisfaction, Tephra Polymers has been a cornerstone in the polymer industry.

[poonamcmi]

Asphalt Additives: Enhancing Asphalt Pavement Performance New Research Findings

Asphalt, also known as bitumen, is a sticky, black, and highly viscous liquid or semi-solid form of petroleum. It is widely used in road construction as a binder mixed with aggregate particles to create asphalt concrete pavement. While asphalt itself provides good binding properties, its performance can be further enhanced through the addition of various chemical additives. These bitumen additives are specifically formulated to modify different properties of asphalt binders and mixtures.

Types of Asphalt Additives There are several main categories of bitumen additives used in pavement construction and preservation.

Anti-stripping additives One of the most common issues with Asphalt Additives pavements is moisture damage leading to stripping. This occurs when the bond between the aggregate and asphalt binder breaks due to saturation of the aggregate by water. Anti-stripping additives work by enhancing adhesion between the aggregate and asphalt cement. They create a protective film on the aggregate surface to prevent water penetration. Common anti-stripping additives include amine anti-strippers and hydrated lime.

Performance grade modifiers Performance grade modifiers are used to upgrade and increase the high and low temperature abilities of asphalt binders. They boost thermal stability and flexibility. Some examples include styrene-butadiene-styrene, styrene-butadiene rubber, and polyphosphoric acid. These additives impart elastic recovery properties and keep the asphalt binder in a flexible state over a wider range of temperatures.

Flow modifiers Flow modifiers help control the viscous and loading susceptibility properties of asphalt cement. They enhance workability and compactability during construction. Compaction is improved through reduced tendency of materials to stick to equipment. Typical flow modifiers are non-ionic surfactants made from fatty acids.

Rejuvenators The rejuvenating ability of asphalt declines over time from prolonged exposure to ultraviolet radiation, oxygen, high and low temperatures. Rejuvenators slow down aging by restoring lost properties. They are solvent-based additives containing oils that can rejuvenate old binds or restore flexibility in reclaimed asphalt pavements.

Polymer modifiers Polymer modifiers such as styrene-butadiene-styrene, ethylene-vinyl acetate, and ground tire rubber are added to conventional asphalt binders to significantly improve their high and low temperature resistance as well as aging resistance. Thermoplastic polymers create a colloidal suspension within the asphalt that enhances binder flexibility and elasticity.

Benefits of bitumen additives The use of bitumen additives provides several construction and long-term performance advantages over traditional pavements.

Enhanced moisture resistance By reducing moisture sensitivity issues like stripping, pavements can withstand exposure to water more effectively. This leads to reduced cracks and potholes formation over the service life.

Extended workability time Properties like increased flow and reduced sticking effects allow longer construction windows even in changing temperatures. Compaction is improved.

Superior high and low temperature tolerance Pavements can counter heat softening in summers and cold cracking in winters more withstand traffic loads. Resistance to thermal cracking and rutting is augmented.

Slowed aging process Oxidation and volatilization of asphalt binders over years is inhibited through barriers and rejuvenating additives. This maintains flexibility for decades.

Recyclability of reclaimed asphalt With restored properties, old asphalt removal can be reused in new construction layers as rejuvenators renew aged binds. Sustainability is increased through recycling.

Mechanisms of action of bitumen additives The exact mechanisms through which bitumen additives enhance pavement performance depend on their chemical composition and functional groups. Common ways include:

- Bonding and film formation: Additives wrap around aggregate with polar functional groups promoting adhesion with asphalt cement.

- Elasticity impartation: Thermoplastic polymers create a colloidal gel structure trapping binders. Chain branching allows flexibility over wide temperatures.

- Dispersion and peptization: Finely ground rubber particles disperse homogeneously within asphalt helping shear resistance.

- Rejuvenation: Oils and waxes in additives penetrate aged asphalt and restore lost components.

- Enhanced workability: Surfactants reduce surface tension, aiding spread and compaction of mixtures.

- Grading improvement: Additives increase acceptable temperature ranges of asphalts as per performance grade specifications.

Bitumen additives are extensively employed today in pavement engineering worldwide due to the improved structural integrity and extended service life they provide to asphalt mixes. When properly formulated and dosed, they effectively modify critical characteristics of binders and mixtures at both construction and long-term performance levels. With continual research and development, bitumen additives will further enhance the sustainability of the infrastructure. Get More Insights On, Asphalt Additives About Author: Money Singh is a seasoned content writer with over four years of experience in the market research sector. Her expertise spans various industries, including food and beverages, biotechnology, chemical and materials, defense and aerospace, consumer goods, etc. (https://www.linkedin.com/in/money-singh-590844163)

[coldpenguintaco]

Global Tile Adhesives & Stone Adhesives Market Forecast to 2027: Cementitious and Epoxy Chemistries Drive Growth

The global tile & stone adhesives market size is projected to grow from USD 4.7 billion in 2022 to USD 7.0 billion by 2027, at a CAGR of 8.0%. Tile and stone adhesives are used to create a strong and durable bond between tile/stone and the tiling substrate. These adhesives are used to fix ceramic tiles, porcelain tiles, mosaics, marble, and granite to walls and floors in residential, commercial,…

[additivemasterbatches]

Additive Masterbatches & PVC Polymer Manufacturers, Suppliers In Mumbai, India

A1 impex is a leading Manufacturers, Suppliers of Additive Masterbatches & PVC Polymer In Mumbai, India. We offer a wide range of portfolio of additive MB’s designed to address specific pain areas of our customers. These are typically added in small dosages (2-5%) but make a big difference in the final properties of the compound. Our MB’s are designed to be used conveniently in the granule form as direct drop in solutions, without having to make any changes to the current process. Contact us today at +91-9167684185

[whats-in-a-sentence]

The concept is based on the reversible addition of radicals to carbon-sulfur double bonds in thiocarbonyl thio transfer reagents (R-S(C=S)Z (figure 26.26).

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[tenth-sentence]

CSIRO's RAFT (reversible addition fragmentation chain transfer) technology provides a revolutionary level of control suitable for highly functionalised polymers.

"Chemistry" 2e - Blackman, A., Bottle, S., Schmid, S., Mocerino, M., Wille, U.

[jcmarchi]

The Next Frontier: How 3D Printing is Revolutionizing Manufacturing - Technology Org

New Post has been published on https://thedigitalinsider.com/the-next-frontier-how-3d-printing-is-revolutionizing-manufacturing-technology-org/

The Next Frontier: How 3D Printing is Revolutionizing Manufacturing - Technology Org

3D printing, also known as additive manufacturing, has gained significant popularity in recent years, revolutionizing the manufacturing industry. The concept of 3D printing dates back to the 1980s when it was first introduced as a rapid prototyping technology. However, it is only in the past decade that 3D printing has gained widespread recognition and adoption in various industries.

The growing popularity of 3D printing can be attributed to its ability to create complex and customized objects with ease. Traditional manufacturing methods often involve multiple steps and processes, which can be time-consuming and costly. 3D printing simplifies the manufacturing process by directly creating objects layer by layer from a digital design, eliminating the need for molds or tooling.

The central piece of a 3D printer – illustrative photo. Image credit: Christian Englmeier via Unsplash, free license

The History of 3D Pringting

The concept of additive manufacturing has existed since the 1940s. In 1945, sci-fi author Murray Leinster described a machine that could “make drawings in the air” and output plastic parts layer-by-layer in his short story “A Logic Named Joe.” However, it took a few more decades for this vision to become reality.

1980s: Early Prototyping

In 1981, Dr. Hideo Kodama of Nagoya Municipal Industrial Research Institute invented one of the first working rapid prototyping systems. It used photopolymers that could be cured by UV light to build parts additively.

In 1984, Charles “Chuck” Hull filed a patent for stereolithography (SLA), which described an additive manufacturing process using photopolymers cured layer-by-layer by UV lasers. He later co-founded the company 3D Systems to commercialize SLA 3D printers.

In 1986, Carl Deckard, an undergraduate at the University of Texas, filed a patent for selective laser sintering (SLS), another 3D printing process that used a laser to fuse powder material. Deckard’s patent was licensed by DTM corporation, which released the Sinterstation 2000, the first SLS machine, in 1992.

In 1989, S. Scott Crump invented fused deposition modeling (FDM) and patented the technology. This process used a heated nozzle to extrude thermoplastic filament material layer by layer. Crump later commercialized it through the company Stratasys, which he co-founded.

1990s: Industry Growth

In 1992, 3D Systems released the SLA-250, which was the first commercially available 3D printer. Meanwhile, Stratasys introduced their first commercial FDM 3D printer in 1992 as well.

Through the 1990s and 2000s, the industry saw rising adoption and usage of additive manufacturing for rapid prototyping across automotive, aerospace, medical, consumer goods and other industries. Both established corporations and startups expanded the capabilities of 3D printing during this period.

2000s: Patent Expiration, Desktop 3D Printers

A significant milestone came in 2009 when key SLA patents expired, opening up the technology. This allowed for the rise of desktop SLA 3D printers like the Form 1, developed by startup Formlabs in 2012.

The expiration of FDM patents around 2010 similarly saw a wave of open source FDM/FFF desktop 3D printers like the RepRap, inspiring companies like MakerBot. This drove increased adoption of desktop 3D printing.

The Basics of 3D Printing: How it Works and its Advantages

The process of 3D printing involves several steps. First, a digital design of the object is created using computer-aided design (CAD) software. This design is then converted into a format that can be read by the 3D printer. The printer then builds the object layer by layer using various materials such as plastic, metal, or even biological materials.

One of the key advantages of 3D printing is its ability to create complex geometries that are difficult or impossible to achieve with traditional manufacturing methods. Traditional methods often involve subtractive processes, where material is removed from a larger block to create the desired shape. In contrast, 3D printing is an additive process, where material is added layer by layer to create the final object.

Another advantage of 3D printing is its ability to create customized products. With traditional manufacturing methods, producing customized products can be expensive and time-consuming. However, with 3D printing, each object can be easily customized by simply modifying the digital design before printing.

From Prototyping to Production: How 3D Printing is Changing the Manufacturing Process

One of the key roles of 3D printing in manufacturing is in the prototyping stage. Traditionally, prototyping involved creating molds or tooling, which can be expensive and time-consuming. With 3D printing, prototypes can be created quickly and cost-effectively, allowing for faster iteration and refinement of designs.

However, 3D printing is not limited to prototyping alone. It has the potential to replace traditional manufacturing methods in certain applications. For example, in industries such as aerospace and automotive, where complex geometries are often required, 3D printing can offer significant advantages over traditional methods. By eliminating the need for molds or tooling, 3D printing can reduce costs and lead times while enabling the production of lightweight and optimized components.

Customization and Personalization: The Power of 3D Printing in Meeting Customer Demands

One of the key advantages of 3D printing is its ability to create customized products. Traditional manufacturing methods often involve producing large quantities of identical products, which may not meet the specific needs or preferences of individual customers. With 3D printing, each product can be easily customized to meet the unique requirements of each customer.

This ability to create customized products has a significant impact on the customer experience. Customers today are increasingly looking for personalized products that reflect their individual tastes and preferences. By offering customized products, companies can differentiate themselves from their competitors and build stronger relationships with their customers.

Reducing Costs and Waste: The Economic Benefits of 3D Printing in Manufacturing

One of the key advantages of 3D printing is its potential to reduce manufacturing costs. Traditional manufacturing methods often involve multiple steps and processes, each adding to the overall cost of production. In contrast, 3D printing simplifies the manufacturing process by directly creating objects from a digital design, eliminating the need for molds or tooling.

By reducing the number of steps and processes involved in manufacturing, 3D printing can significantly reduce costs. This is particularly beneficial for small and medium-sized enterprises (SMEs) that may not have the resources to invest in expensive molds or tooling. With 3D printing, SMEs can compete with larger companies by offering customized products at a lower cost.

In addition to reducing costs, 3D printing also has the potential to reduce waste. Traditional manufacturing methods often result in significant material waste, as excess material is removed during the production process. With 3D printing, only the required amount of material is used, minimizing waste and reducing environmental impact.

Sustainability and Environmental Impact: How 3D Printing is Helping to Reduce Carbon Footprint

In addition to reducing waste, 3D printing also has the potential to reduce carbon footprint. Traditional manufacturing methods often involve transporting raw materials and finished products over long distances, resulting in significant carbon emissions. With 3D printing, products can be manufactured locally, reducing the need for transportation and lowering carbon emissions.

Furthermore, 3D printing enables the use of more sustainable materials. For example, bio-based materials can be used in 3D printing, reducing reliance on fossil fuels and minimizing environmental impact. Additionally, 3D printing allows for the optimization of designs, resulting in lighter and more efficient products that require less energy to produce and use.

The Role of 3D Printing in Industry

The impact of 3D printing on various industries is significant. In the healthcare industry, 3D printing has revolutionized medical device manufacturing by enabling the production of customized implants and prosthetics. In the aerospace industry, 3D printing has been used to create lightweight components that improve fuel efficiency and reduce emissions.

The potential for 3D printing to disrupt traditional manufacturing industries is also significant. For example, in the automotive industry, 3D printing has the potential to transform the production of spare parts. Instead of maintaining large inventories of spare parts, manufacturers can simply 3D print the required parts on demand, reducing costs and lead times.

The Future of Manufacturing

The potential for 3D printing to revolutionize the manufacturing industry is immense. As the technology continues to evolve and improve, we can expect to see even greater adoption of 3D printing in various industries. The ability to create complex and customized objects with ease will continue to drive the growth of 3D printing in manufacturing.

However, there are also challenges and opportunities associated with 3D printing in manufacturing. One of the key challenges is the need for skilled operators who can design and operate 3D printers effectively. Additionally, there are regulatory challenges that need to be addressed, particularly in industries such as healthcare where safety and quality standards are critical.

The Challenges of 3D Printing in Manufacturing: Overcoming Technical and Regulatory Hurdles

One of the key technical challenges of 3D printing in manufacturing is the limited range of materials that can be used. While 3D printing has made significant advancements in recent years, there are still limitations in terms of the types of materials that can be used. For example, metals such as titanium and aluminum are commonly used in traditional manufacturing methods but are more challenging to 3D print.

Another technical challenge is the need for post-processing and finishing. While 3D printing can create complex geometries with ease, the surface finish of 3D printed objects is often rough and requires additional processing to achieve the desired quality. This can add time and cost to the manufacturing process.

In addition to technical challenges, there are also regulatory challenges associated with 3D printing in manufacturing. In industries such as healthcare, where safety and quality standards are critical, there is a need for regulatory frameworks to ensure that 3D printed products meet the required standards. This includes the need for validation and certification processes to ensure the safety and efficacy of 3D printed medical devices.

The Impact of 3D Printing on Supply Chain Management: Opportunities and Challenges

The potential for 3D printing to disrupt supply chain management is significant. With traditional manufacturing methods, products are often manufactured in one location and then transported to various distribution centers or retail stores. This can result in long lead times and high transportation costs.

With 3D printing, products can be manufactured locally, reducing the need for transportation and lowering lead times. This has the potential to transform supply chain management by enabling companies to produce products on demand, reducing inventory costs and improving responsiveness to customer demands.

However, integrating 3D printing into supply chain management also presents challenges. For example, companies will need to invest in 3D printing infrastructure and develop new processes and workflows to support on-demand manufacturing. Additionally, there may be challenges in terms of intellectual property protection and ensuring product quality and consistency across different manufacturing locations.

The Future of 3D Printing in Manufacturing: Emerging Trends and Technologies

The future of 3D printing in manufacturing is promising, with several emerging trends and technologies driving its growth. One of the key trends is the development of new materials that can be used in 3D printing. Researchers are exploring the use of materials such as graphene, carbon fiber, and biodegradable polymers, which offer improved strength, durability, and sustainability.

Another emerging trend is the development of multi-material and multi-color 3D printing technologies. Currently, most 3D printers can only print objects using a single material or color. However, researchers are working on developing printers that can print objects using multiple materials or colors simultaneously, opening up new possibilities for complex and customized designs.

The Promise of 3D Printing in Revolutionizing Manufacturing

3D printing has the potential to revolutionize the manufacturing industry. Its ability to create complex and customized objects with ease, reduce costs and waste, and promote sustainability makes it an attractive option for manufacturers across various industries.

While there are challenges and opportunities associated with 3D printing in manufacturing, the promise of this technology is immense. As the technology continues to evolve and improve, we can expect to see even greater adoption of 3D printing in manufacturing, leading to a more efficient, sustainable, and customer-centric manufacturing industry.

3D printing is transforming manufacturing across industries in revolutionary ways. Its ability to rapidly prototype designs, create complex geometries, enable mass customization, reduce waste, and distribute production is disrupting traditional processes. Companies are adopting 3D printing to accelerate product development, unlock new design possibilities, produce specialized components, and manufacture goods on-demand. While the technology does have some limitations currently, advancements around speed, materials, and costs are helping address these.

Overall, 3D printing provides unmatched flexibility that is spurring a manufacturing revolution. It allows for more sustainable production methods with less waste and emissions. As the capabilities of 3D printing continue to advance, its applications will expand even further. Forward-thinking companies that leverage this technology now will gain key competitive advantages. Adoption is still in early phases, signaling immense room for growth. 3D printing is undoubtedly redefining manufacturing as we know it and enabling the factories of the future.

[materialsscienceandengineering]

New solvent-free 3D printing material could enable biodegradable implants

Additive manufacturing (AM) has revolutionized many industries and holds the promise to affect many more in the not too distant future. While people are most familiar with the 3D printers that function much like inkjet printers, another type of AM offers advantages using a different approach: building objects with light one layer at a time. One such technology is digital light processing (DLP). Widely used in both industrial and dental applications, DLP works by converting a liquid resin into a solid part using light, essentially pulling solid objects out of a shallow pool of resin one layer at a time. A major challenge to using this 3D printing method, however, is that the resins need to have a low viscosity, almost like water, to function properly at high resolution. Plenty of polymers that would otherwise be useful in DLP printing are solids or too viscous, requiring solvents to dilute them to an appropriate consistency.

Read more.

[exculis]

actually i was probably just meant to be a subtractive sculptor instead of an additive sculptor. my parents are both additive sculptors. but if the way i enjoyed shading (when i used to do my old workflow) says anything, then i would probably do better with subtraction. i dunno i never tried. thats sadly not really how 3d modeling tools work, really. but i do like to carve spoons out of wood which is subtractive, its sort of sculpting i suppose.

[pravalika]

Engine Oil Additives Market - Forecast (2023 - 2028)

Global engine oil additives market is valued 10,853$ million in the year 2017 and is anticipated to grow at a CAGR of 3.2% during the forecast period 2018-2023.

[cera-chem]

Experience the Difference with CERABOND 26: Where Quality Meets Simplicity in Floor Installation

Presenting CERABOND 26: the ultimate solution for hassle-free tile and stone installation on interior floors. This high-performance, ready-to-use polymer-based adhesive offers the following advantages:

Excellent adhesion properties

No soaking of tiles in water required

Single-component, ready-to-use material

No additional curing is needed

Great savings in labor, materials, and time

Extended open wet time for better workability

Suitable for various small format tiles and stones.

Experience the efficiency and convenience of CERABOND 26, revolutionizing your tile installation projects. Act now and elevate your interior floors to new levels of perfection!

E-mail us at: businessenquiry@cerachemindia.com or

contact us at 0984

[ryaninternational]

Top Titanium Dioxide Plastic Suppliers

Welcome to Ryan International, your trusted source for top-quality Titanium Dioxide Plastic Suppliers. We are a leading supplier of premium Titanium Dioxide Plastic products, sourced from some of the most reputable supplier in the industry.