Modified high impact resistant polystyrene composite and method for preparing same
A polystyrene and high-impact technology, which is applied in the field of modified low-temperature-resistant high-impact polystyrene composition and its preparation, can solve the problems of high cost, increased cost of production enterprises, and high price, and achieve low production cost. Effect
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Embodiment 1
[0036] Put 100 parts of dried light calcium carbonate with a moisture content of less than 0.2% into a high-speed mixer, add 1 part of silane coupling agent when heated to 110°C, mix for 10 minutes, discharge the material, and put it in a dryer Cool to room temperature and set aside.
[0037] Replace the pressure-resistant airtight container with high-purity nitrogen, add 400 parts of cyclohexane and 60 parts of styrene, and then add 0.007 parts of butyllithium as an initiator based on the amount of monomer added as 100 parts by mass. The reaction was carried out at high temperature; after 30 minutes of reaction, a mixture of 9.4 parts of styrene and 30.6 parts of butadiene was slowly added for 70 minutes; after 10 minutes of reaction, the reaction was terminated to obtain a linear styrene-butadiene impact copolymer;
[0038]3 parts of light calcium carbonate activated by silane coupling agent, 0.2 part of antioxidant, 0.1 part of ultraviolet light stabilizer, 15 parts of styr...
Embodiment 2
[0040] Put 100 parts of dried talc powder with a water content of less than 0.2% into a high-speed mixer, add 0.5 parts of titanate coupling agent when heated to 100°C, mix for 15 minutes, discharge the material, and cool in a desiccator to room temperature, set aside.
[0041] Replace the pressure-resistant airtight container with high-purity nitrogen, add 300 parts of cyclohexane and 40 parts of styrene, and add 0.008 parts of butyllithium as an initiator based on 100 parts by mass of the monomer, and add 0.008 parts of butyllithium as an initiator. Reaction at high temperature; after 45 minutes of reaction, slowly add a mixture of 15 parts of styrene and 45 parts of butadiene for 100 minutes; after 15 minutes of reaction, terminate the reaction to obtain a linear styrene-butadiene impact copolymer;
[0042] Mix 5 parts of titanate coupling agent activated talcum powder, 0.1 part of antioxidant, 0.2 part of ultraviolet light stabilizer, 34 parts of styrene-butadiene rubber (...
Embodiment 3
[0044] Put 100 parts of dried kaolin with a water content of less than 0.2% into a high-speed mixer, and when heated to 120°C, add 0.8 parts of aluminate coupling agent, mix for 12 minutes, discharge, and cool in a desiccator to room temperature, set aside.
[0045] Replace the pressure-resistant airtight container with high-purity nitrogen, add 400 parts of cyclohexane and 40 parts of styrene, and add 0.007 parts of butyllithium as an initiator based on the amount of monomer added as 100 parts by mass. The reaction was carried out at low temperature; after 60 minutes of reaction, a mixture of 16.2 parts of styrene and 43.8 parts of butadiene was slowly added for 120 minutes; after 20 minutes of reaction, the reaction was terminated to obtain a linear styrene-butadiene impact copolymer.
[0046] 4 parts of wollastonite powder activated by aluminate coupling agent, 0.1 part of antioxidant, 0.2 part of ultraviolet light stabilizer, 34 parts of styrene-butadiene rubber (combined ...
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