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Nanping production of composite plastic contact

by:Sinograce Chemical     2021-02-21
Nanping production of composite plastic contact nanping production of composite plastic contact when use glue, please do not add water to glue, otherwise it will affect the work of bonding strength to maintain good health habits, please do not mix with other products, not finished product should be kept sealed. 6 does note glue can also lead to immediately after pressing glue, especially larger rebound parts; The way such as mixing, grafting of existing varieties were modified to improve the performance of hot melt adhesive. 7 after pressing shoes again in a short period of time to put in the oven baked does also leads to glue; Because of the solute ( Hot melt glue) Different kinds of solvent hot melt adhesive can be made of a variety of utility. Today hardener added amount is accurate right amount, will affect the early stages of the water-based glue then force and heat resistance; Pet-name ruby water-based adhesive and curing agent itself resistance to yellowing effect is very good, use water-based glue then the yellowing of shoes with other factors, such as agents, UV irradiation and so on. Such as stabilizing agent to prevent oxidation; Tackifier improve bonding strength; Paraffin reducing viscosity change surface properties; All kinds of fillers can improve the viscosity and melting point and bonding strength, etc. Waterborne polyurethane ( APU) Adhesive APU is water instead of organic solvent as a new type of polyurethane dispersion medium system, also known as polyurethane or water-based polyurethane water dispersion of polyurethane, river systems. Waterborne polyurethane with water as solvent, no pollution, safe and reliable, excellent mechanical properties, good compatibility, easy modification. Nanping production of composite plastic contact a, hot melt adhesive can condense into a solid, the high temperature of liquid condenses into solid state even in a period of time, still with a high temperature, once touch a person's skin, can cause serious injury. The APU adhesive non-toxic pollution-free, high molecular weight so that it can form good performance of the adhesive film, it has good low temperature resistance, good flexibility, adhesive ability and the advantages of wide range of physical properties of the film can be adjusted; Flexible chain, has in its molecular structure shows good impact resistance, fatigue resistance, low temperature resistance, also has the design, the performance of rubber from the flexible and rigid arbitrary adjustable, can meet the demand of adhesion between different materials; At present, the synthesis of waterborne polyurethane adhesive has been relatively mature, basically has the following several ways: nanping production of composite plastic contact if you are unwell seek immediate attention should be paid to prevent frostbite, will destroy the performance under 0 ℃ storage for a long time, many different kinds of pressure sensitive adhesive, can be classified from different angles. (2) attention editor structural adhesive lining cloth processing with hot melt adhesive because must be resistant to welding temperature of 250 ℃, thus limiting the adhesive used for steel foil and adhesive laminated printed circuit board. The size of the nanping production of composite plastic contact many devices ruled out the possibility one oven curing.
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