30
September
Structure, classification and properties of polyvinyl chloride (PVC)
3.1.3 Structural features A, PVC structure Figure 3.5 PVC Structural Diagram Figure 3.5 (a) is molecular formula for polymerization of vinyl chloride monomer in PVC, and (b) is a model of three-dimensional structure of PVC. (c) T...
29
September
Introduction of plasticizer
A plasticizer is an additive to polymeric materials widely used in industrial production, also known as a plasticizer. Any substance added to a polymer material that can increase plasticity of a polymer is called a plasticizer. Th...
28
September
Crude oil halved, why did price of oil fall only a few cents? Break down various processes from crude oil to gasoline
Text/Mite Polymer milan only Now international price of crude oil is down to $20/bbl, why is domestic price of gasoline down only a few cents? We know that oil is still a highly demanded commodity on world market, and not only its...
27
September
Wave flow traces and solutions to eliminate defects in TPV injection molding products
Text/Meite Polymer Zhong Ming 1. What is wave tracing? Wave marks are irregularities in form of ring-shaped, helical or cloud-like waves on surface of plastic parts due to improper flow of molten material in mold cavity, mainly i...
26
September
Chapter Nine: China's COVID-19 Model Has Successfully Reduced Mortality
Writer/Wisdom and Love Wang Chen from Fangcai Hospital planned overall battle, just like blockade of Li Lanjuan, strong man who closed city with his broken arm, combined with grid-based investigation of community's people's war, t...
25
September
Round Four: Tracing Origin of the Novel Coronavirus SARS-COVID-19
Writer/Wisdom and Love People have come out of Africa, similar to new corona coming out of United States, genome sequencing and evolution of new coronavirus, article was published on Chinese Academy of Science and Technology Artic...
24
September
Chapter 5 Fighting Viruses with Viruses to Prevent Disease Vaccine Immunity Shield
Writer/Wisdom and Love The new corona infection is analogous to sperm fertilization, arginine protein packages semi-baby DNA, just like S spike protein packages RNA; ovum absorbs arginine protein package, ACE2 appears to absorb sp...
23
September
Classification of polypropylene nucleating agents and their influence on properties of polypropylene
Text/Wang Qiang There are thousands of types of polymer materials, some polymer materials are amorphous, some are crystalline, main influencing factor is structure of polymer chain, because a polymer needs its own polymer to cryst...
22
September
Classification and application of flame retardants for plastics
Text/Wang Qiang 1. Flame retardant Flame retardants are additives used in fire retardant combustible materials that render combustible materials flame-retardant. Flame retardants can be divided into reactive flame retardants and a...
20
September
Modified polypropylene with talc filler
Text/POLYMER In order to meet performance requirements of polypropylene (PP) for various applications, it must be modified based on original polypropylene resin. Property modification methods include chemical modification and phys...