07
June
Introduction of antibacterial modification of plastic
Antibacterial plastic refers to addition of antibacterial agents to plastic to make plastic itself antibacterial, which can kill or inhibit bacteria on plastic for a period of time. Compared with conventional chemical and physical...
06
June
Solving problem of burning caused by TPV injection molding on gate
TPV injection molding causes inlet burns mainly due to excessive material shear. At moment when material passes through gate during injection, shear rate reaches its peak, so temperature at gate reaches its highest value, and exce...
05
June
Melt delivery extrusion molding theory
(1) Melt transfer theory The melt delivery theory, also known as hydrodynamic theory, is to study plasticization of plastic in homogenizing section of screw, so that plastic can be extruded from machine head at a constant pressure...
04
June
PVC Hardness Comparison Chart
For soft PVC materials, many manufacturers often use Pa (Pa) to indicate hardness; in fact, Pa here does not refer to hardness, but to content of plasticizer (oil) in PVC materials. Therefore, greater value of Pa, greater content ...
03
June
Learn production process of latex pillows
polymer only milanon/Meite The word "latex" has become popular all over country in recent years, and latex pillows have become even more popular among people. Latex pillows are made from sap of rubber trees. At present, it is not ...
02
June
What is resin modification trend?
At present, modification of various resins is development trend of plastics industry. Modification methods such as copolymerization, grafting, crosslinking, and blending can enhance resin properties, reduce costs, and improve qual...
01
June
Water Electret Introduction
The basis of mask is meltblown fabric. In addition to mechanical properties of meltblown fabric, electrostatic electret is most important. Since there is no meltblown material processed by electrostatic electret technology, filtra...
31
May
Method for Evaluating Sticky and Oily Surface of TPV Thermoplastic Rubber
TPV thermoplastic vulcanizate is composed of polypropylene, EPDM, emollient oil, fillers and additives. According to different hardness, adjust proportion of plastic and rubber, and proportion of oil expansion. The addition of an ...
30
May
How to use chemical blowing agent for molding and extrusion? these tips to teach you
Thermoplastics can be foamed in a variety of ways to achieve different densities. Typically, blowing agents are mixed with polymer melts to produce reduced density plastic products by expelling polymer with gas. However, reduced d...
26
May
How is TPU made, what is difference between aromatic and aliphatic TPU?
In an invisible automotive coating, TPU backing is an important part, but do you know how TPU is made? What is fundamental difference between a good TPU and a bad TPU? Why can all TPU stealth car covers be guaranteed for 5 or even...