Environment-friendly polyvinyl chloride resin composition and preparation method thereof
A technology for polyvinyl chloride resin and composition, which is applied in the field of environment-friendly polyvinyl chloride resin composition and its preparation, can solve the problems of ecological environment pollution of petroleum, non-biodegradation, poor toughness, etc., and achieves improved toughness and melt flow. The effect of the properties, the preparation method is simple
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Embodiment 1
[0020] 100 parts of polyvinyl chloride (PVC-SG5, product of Xinjiang Tianye Group Co., Ltd.), 3-hydroxybutyrate-4-hydroxybutyrate copolymer (the molar content of 4-hydroxybutyrate monomer is 10%, Shenzhen Yike Man company product) 30 parts, methyl mercaptide tin heat stabilizer (NX-128, Nantong Advan Chemical Co., Ltd. product) 4 parts and epoxy soybean oil (Leling City Fuxing Plastic Auxiliary Factory product) 4 parts, Mix uniformly in a high-speed mixer to obtain a premixture, and blend the premixture in a Harker internal mixer for 4 minutes to obtain an environment-friendly polyvinyl chloride resin composition. The rotating speed of the rotor is 50 rpm, and the temperature is 160°C. The polyvinyl chloride resin composition is pressed into a sheet by a flat vulcanizer for tensile and impact tests, and the tensile strength of the environmentally friendly polyvinyl chloride resin composition sheet measured is 38MPa, and the elongation at break is 250 %, the notched impact str...
Embodiment 2
[0022] 100 parts of polyvinyl chloride (PVC-SG5, product of Xinjiang Tianye Group Co., Ltd.), 3-hydroxybutyrate-4-hydroxybutyrate copolymer (the molar content of 4-hydroxybutyrate monomer is 10%, Shenzhen Yike Man company product) 40 parts, calcium zinc heat stabilizer (CZ-7311, product of Huizhou Guangxu Plastic Co., Ltd.) Mix uniformly in the medium to obtain a premix, and mix the premix for 5 minutes in a Haake internal mixer to obtain an environment-friendly polyvinyl chloride resin composition. The rotor speed is 40rpm, and the temperature is 160°C. The polyvinyl chloride resin composition is pressed into a sheet by a flat vulcanizer for tensile and impact tests, and the tensile strength of the environmentally friendly polyvinyl chloride resin composition sheet measured is 45MPa, and the elongation at break is 300 %, the notched impact strength is 8.5kJ / m 2 , The melt index is 4.0g / 10min.
Embodiment 3
[0024] 105 parts of polyvinyl chloride (PVC-SG5, product of Xinjiang Tianye Group Co., Ltd.), 3-hydroxybutyrate-4-hydroxybutyrate copolymer (the molar content of 4-hydroxybutyrate monomer is 13%, Shenzhen Yike Man company product) 40 parts, calcium zinc heat stabilizer (CZ-7311, Huizhou Guangxu Plastic Co., Ltd. product) 4 parts and epoxy soybean oil (Leling City Fuxing Plastic Auxiliary Factory product) 6 parts, in high-speed mixer Mix uniformly in the medium to obtain a premix, and mix the premix for 3.5 minutes in a Haake internal mixer to obtain an environment-friendly polyvinyl chloride resin composition. The rotating speed of the rotor is 60rpm, and the temperature is 160°C. The polyvinyl chloride resin composition is pressed into a sheet by a flat vulcanizer for tensile and impact tests, and the tensile strength of the environmentally friendly polyvinyl chloride resin composition sheet measured is 37MPa, and the elongation at break is 270 %, notched impact strength is ...
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