Core–shell nanoparticle–plasticizers for design of high
Core–shell nanoparticle–plasticizers were synthesized and blended with PVC in an attempt to simultaneously improve the toughness and stiffness of the resulting materials. Halloysite, kaolin and silicon dioxide nanofillers, representing acicular, layered and spherical morphologies, were surface-grafted with p
Nanoparticle-Anchored Plasticizers - US EPA
TDA’s nanoparticles are designed to be inexpensive and attractive to the commodity polymer materials market. TDA scaled up production of nanoparticles from the gram to Pictured above is the device used to synthesize TDA’s nanoparticle-anchored plasticizers, which soften polyvinyl chloride (PVC), keep plastics soft longer, and do not escape.
Nanocomposite Anchored Plasticizers | Research Project
Nanocomposite Anchored Plasticizers EPA Contract Number:68D01045 Title:Nanocomposite Anchored Plasticizers Investigators:Myers, Andrew Small Business:TDA Research Inc. EPA Contact:Richards, April Phase:I Project Period:April 1, 2001 through September 1, 2001 Project Amount:$70,000
Payflex Series Plasticizers - High Quality Plasticizers
Plasticizers are used to enhance the overall flexibility of the product while reducing friction and making it easy for the polymer to bend and mould. Below are some of the many properties of high-quality plasticizers that we manufacture at Payal Group: They are designed to have a high boiling point. It offers stretchability, high efficiency
Final Report | Nanocomposite Anchored Plasticizers | Research
The additional benefit of increased plasticizer permanence also was discovered with the addition of TDA’s nanoparticles. In PVC formulations plasticized with 50 phr dioctylphthalate (DOP), the addition of small (2-5 percent) amounts of TDA’s nanoparticles significantly decreased the percent of plasticizer lost to air, activated carbon
- What is a nanoparticle in nanotoxicology?
- A nanoparticle in the context of nanotoxicology is often characterised as three-dinensional and with all dimensions less than 100 nm. Due to the high surface-to-volume ratio of the nanoparticles, the nanofillers are commonly dispersed within the polymer/matrix at a mass concentration typically between 0.1 and 10 wt.%.
- What are Ag nanoparticles used for?
- Currently, Ag nanoparticles are widely used for several applications due to their excellent thermal, electrical, optical, and, especially, antimicrobiological properties (Li et al., 2010). Apart from large aspect ratios, nanoparticles and aggregates of nanoparticles also possess high surface-to-volume ratios.
- What are natural based plasticizers?
- Nowadays, there is increasing interest in the use of natural-based plasticizers that are characterized by low toxicity and low migration. This group includes epoxidized triglyceride vegetable oils from soybean oil, linseed oil, castor-oil, sunflower oil, and fatty acid esters (FAEs) .
- What types of plasticizers are used in hydrophilic polymers?
- In addition to water, the most commonly used plasticizers are polyols, mono-, di- and oligosaccharides. Polyols have been found to be particularly effective for use in plasticized hydrophilic polymers .
- What is a nanoparticle based on?
- A nanoparticle is defined as a small object that behaves as a whole unit in terms of its properties (Kestell and DeLorey, 2010). Nanoparticles are generally classified based on their morphology, composition, uniformity, and agglomeration.
- What is a high-aspect-ratio nanoparticle?
- High-aspect-ratio nanoparticles include nanotubes and nanowires, with various shapes, such as helices, zigzags, belts, or nanowires with diameter that varies with length. Small-aspect-ratio morphologies include spherical, oval, cubic, prism, helical, or pillar. Collections of many particles exist as powders, suspensions, or colloids.