12
August
Research of technology and properties of twin-screw reactive-extrusion TPU
Text/POLYMER Today, there are two production methods for thermoplastic polyurethane elastomer (TPU): one is a batch synthesis method, other is a continuous reaction synthesis method, and continuous synthesis method is a relatively...
10
August
Introduction of simethicone and instructions for use
1.What is simethicone 201 methyl silicone oil is a new silicone synthetic material. Appearance - colorless and transparent oily liquid. Its chemical composition is linear polymethylsiloxane and its structural formula is: Due to s...
09
August
What are cycloolefin materials?
Cycloolefin, English name: Cyclo-Olefin Copolymer, abbreviated as COC, is a copolymer of cycloolefin and ethylene or α-olefin. COC resins are typically prepared by polymerization with Ziegler-Natta and metallocene catalysts. Ethyl...
08
August
Re-recognition of flame retardant effect of intumescent flame retardants on polypropylene
text/polymer Because of epidemic, polypropylene is known to almost everyone. As a material with light weight, non-toxicity, excellent physical properties, easy processing and chemical corrosion resistance, polypropylene (PP) is wi...
07
August
Nucleic acid test positive, diagnosis negative, recovery standard identified
Writer/Wisdom and Love Darwin's herd immunity, new corona screening of authoritative elimination. Scientific evolution is genius, and if old doesn't go away, new won't come. Wuhan was closed on January 23rd and Wuhan was opened ...
06
August
Finally, the most common S-H bond in nature has been broken.
The carbon-hydrogen bond (C-H) is most common chemical bond. For example, in oil and plastics, two-thirds of chemical bonds are carbon-hydrogen bonds. The close bond between these carbons and hydrogens has long thwarted attempts b...
05
August
When choosing a baby bottle, it is important to understand material
Text/Meteor Polymer Milan only When editor now selects baby bottle, I found that in various articles, this is usually the conclusion: Service life: glass > CCP > PES > PP (do not use PC) Chemical safety at high temperatur...
04
August
TPU/EVA Halogen Free Flame Retardant Cable Compound
Text/POLYMER With country's strong support for environmental protection and deepening of people's environmental protection concept, low-smoke, halogen-free flame retardant materials will become development trend of flame retardant...
03
August
Conductive/luminescent polymers
Text/Meteor Polymer NOVA For many applications in electronics, inherently good insulating properties of polymeric materials are a basic requirement. However, some areas require polymeric materials with improved conductivity, such ...
02
August
Basic knowledge of plastic injection molding process (3)
Fourthly, polymer crystallization As mentioned above, depending on crystallinity, it can be divided into polymers with a tendency to crystallize and without a tendency to crystallize. However, polymers with a tendency to crystalli...