Preparation method of free radical type flame-retardant modified polypropylene
A polypropylene and free radical technology, applied in the field of polypropylene materials, can solve the problems of lack of chemical resistance and gloss, high cost, complex production process, etc., to improve chemical resistance, facilitate processing and production, Simple craftsmanship
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[0014] In order to better understand the present invention, the technical solution of the present invention will be further described below in connection with the embodiments.
[0015] The method of preparation of a free-based flame retardant modified polypropylene of the present invention is: including the steps of:
[0016] S1: Preparing for raw materials, the required raw materials are: triethyl aluminum, titanium tetrachloride, propylene, polyphenylene sulfide, polyethylene wax, glass fiber, modified rubber, antistatic agent, antioxidant, talc powder, etc. It is configured in proportion and cleaning dust removal processing;
[0017] S2: Triethyl aluminum was added to the reaction kettle, and the temperature of the reaction kettle was provided to 15 to 30 ° C, then stirred for 20 to 25 min, and titanium tetrachloride was added to the reaction kettle, and heated to 40 to 50 EtOAc, then stirred, then stirred, then 5 to 10 ° C for 5 min, then close the reaction kettle, passing int...
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