good quality plasticizer and oxidants for polymer

antioxidants stabilizers selection for ... - polymer additives

Antioxidants Stabilizers Selection for ... - Polymer Additives

Antioxidants Stabilizers Selection for Polyolefins (PP, PE) Polymer degradation is a natural phenomenon that cannot be totally stopped. It tends to deteriorate the physical & mechanical like molecular weight, melt flow rate, appearance, processing and thermal stability properties of the polymer.

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plasticizers: types, uses, classification ... - polymer additives

Plasticizers: Types, Uses, Classification ... - Polymer Additives

Plasticizers increase the flow and thermoplasticity of a polymer by decreasing the viscosity of the polymer melt, the glass transition temperature (Tg), the melting temperature (Tm) and the elastic modulus of the finished product without altering the fundamental chemical character of the plasticized material.

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polymer stabilizers

Polymer stabilizers

Polymer stabilizers (British: polymer stabilisers) are chemical additives which may be added to polymeric materials, such as plastics, to inhibit or retard their degradation. Common polymer degradation processes include oxidation , UV-damage , thermal degradation , ozonolysis , combinations thereof such as photo-oxidation , as well as reactions ...

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polymer additive - an overview | sciencedirect topics

Polymer Additive - an overview | ScienceDirect Topics

Polymer Additive. Polymer additives are usually uniformly dispersed in the polymer matrix with a concentration in the range of 0.1–1wt% [2], which improves several features of the material such as stiffness, toughness, durability, clarity, etc., leading to high-quality products. From: Polymer Science and Nanotechnology, 2020. Related terms ...

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additives analysis for polymers and plastics

Additives Analysis for Polymers and Plastics

We test polymer additives such as anti-oxidants, anti-microbials, cross-linking agents, dispersing agents, dyes, fillers, light stabilisers, surfactants, pigments and plasticizers. Our analytical approaches bring the advantages of low detection limits and applicability to a wide range of structurally different polymer additives.

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plasticizer - an overview | sciencedirect topics

Plasticizer - an overview | ScienceDirect Topics

A plasticizer that is compatible with PVC and exhibits low volatility, good permanence, and high efficiency is referred to as a primary plasticizer. A secondary plasticizer has the opposite characteristics of a primary plasticizer. The amount of plasticizer needed to obtain a certain hardness or elongation is a measure of its efficiency.

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elastomer properties | dupont performance polymers

Elastomer Properties | DuPont Performance Polymers

A plasticizer is used to improve low- temperature properties. Other ingredients include anti-oxidants, a release package, a scorch retarder, a curative, and an accelerator. Hundreds of compounds can be made from one base polymer. A baking analogy is a good way to describe the process of making elastomer compounds.

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polymer properties database

Polymer Properties Database

Antioxidants. Polymers will change over time when exposed to radiation, excessive heat and/or corrosive enviroments. These changes are the result of oxidative degradation caused by free radicals which form through hydrogen abstration or homolytic scission of carbon-carbon bonds when polymers are exposed to heat, oxygen, ozone, or light.

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polymer degradation

Polymer degradation

Polymer degradation is a change in the properties—tensile strength, color, shape, etc.—of a polymer or polymer-based product under the influence of one or more environmental factors such as heat, light or chemicals such as acids, alkalis and some salts.

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organic chemicals, plastics and synthetic fibers effluent

Organic Chemicals, Plastics and Synthetic Fibers Effluent

EPA promulgated the Organic Chemicals, Plastics and Synthetic Fibers (OCPSF) Effluent Guidelines and Standards (40 CFR Part 414) in 1987, and amended the regulation in 1989, 1990, 1992 and 1993. The regulation covers wastewater discharges from more than 1,000 chemical facilities.

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