PBT (polybutylene terephthalate) zipper material with high modulus and washability and application of PBT zipper material
A water-washable, high-modulus technology, applied in the field of zipper preparation, can solve the problems of unfavorable processing technology, instability, and very high requirements for blending technology, and achieve the advantages of improving deformation resistance, increasing adhesion, and reducing agglomeration. Effect
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[0047] The preparation method of modified nucleating agent comprises the steps:
[0048] Gradually add 50 parts by weight of mineral powder to 50 parts by weight of water, then add 1% acetylacetone of the total weight of the solution, stir until uniform, and slowly add 10 parts by weight of butyl titanate and each Mineral and water weight 1% polycarboxylate sodium salt and titanate coupling agent, after the dropwise addition, continue to stir for 0.5 hours, under the action of acetylacetone, butyl titanate is hydrolyzed to generate titanium dioxide particles, and coated on On the surface of mineral particles, polycarboxylate sodium salt is added as a dispersant, and the surface is modified with a water-based titanate coupling agent. The coated titanium dioxide particles are filtered, dried and pulverized to prepare a modified nucleating agent, which is taken out for use.
[0049] The material performance test method is as follows:
[0050] 1. Material bronzing quality: under...
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