A kind of cpe/sbs/pet blended composite material and preparation method thereof
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A composite material and blending technology, which is applied in the field of rubber and plastic materials, can solve the problems of performance degradation and achieve the effects of improving ozone resistance and weather aging resistance, not easy to self-vulcanization, and enhancing storage stability
Inactive Publication Date: 2016-06-29
晋州市安达汽车配件有限公司
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However, the rubber and plastic materials prepared simply with CPE plus inorganic fillers have high strength and high hardness, but this is solved by adding a large amount of plasticizers. Due to the migration of plasticizers, it also brings The decline in the long-term performance of this type of material
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[0016] The present invention will be described in further detail below in conjunction with the examples.
[0017] Example.
[0018] The preparation method of CPE / SBS / PET blend composite material, concrete process is as follows:
[0019] Take the following raw materials in parts by weight: 70 parts of CPE, 30 parts of SBS, 15 parts of modified PET, 6 parts of dibutyl phthalate, 25 parts of semi-reinforcing carbon black, 20 parts of activated calcium carbonate, 15 parts of modified attapulgite, 6 parts of dicumyl peroxide, 3 parts of ammonium polyphosphate, 2 parts of tribasic lead sulfate, 3 parts of magnesium oxide, 2 parts of zinc oxide, 15 parts of waste oil residue, 0.3 parts of accelerator TMTD, and 0.3 parts of accelerator DM0. 8 parts, anti-aging agent ODA 1.5 parts, antioxidant 1682 parts.
[0020] Wherein, the chlorine content of the CPE is 35%; the vinyl content in the SBS is 78%; the modified PET is prepared by the following method: Weigh a certain amount of PET, T...
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Abstract
The invention discloses a chlorinated polyethylene / styrene-butadiene-styrene block copolymer / polyethylene terephthalate (CPE / SBS / PET) blending composite material, which comprises the following raw materials according to parts by weight: 70-80 parts of chlorinated polyethylene (CPE), 20-30 parts of styrene-butadiene-styrene block copolymer (SBS), 10-20 parts of modified polyethylene terephthalate (PET), 5-10 parts of dibutyl phthalate, 20-30 parts of semi-reinforcing carbon black, 10-20 parts of active calcium carbonate, 10-15 parts of modified attapulgite, 5-8 parts of dicumyl peroxide, 2-4 parts of ammonium polyphosphate, 2-3 parts of lead sulfate tribasic, 2-3 parts of magnesium oxide, 1-2 parts of zinc oxide, 10-20 parts of waste oil residue, 0.1-0.3 part of accelerant TMT, 0.5-1 part of accelerant DM, 1-2 parts of anti-aging agent ODA and 1-2 parts of antioxidant 168. In comparison with pure CPE, the CPE / SBS / PET blending composite material has the characteristics that 1, ozone resistance, weather aging resistance, high / low-temperature resistance and other performances are remarkably improved; 2, tensile strength, stress at definite elongation, tear resistance, heat resistance, flame resistance, fatigue resistance and rub resistance are improved; 3, oil resistance, fuel resistance, chemical resistance and other performances are enhanced; and 4, extrusion performance and drawability are improved, and meanwhile, the sizing material is not easy to self-vulcanize, so the storage stability is enhanced.
Description
technical field [0001] The invention relates to a rubber and plastic material, in particular to a CPE / SBS / PET blended composite material and a preparation method thereof. Background technique [0002] CPE (chlorinated polyethylene) is a new type of modified material. It is a product obtained by replacing some of the hydrogen atoms on the molecular chain of polyethylene with chlorine atoms. CPE with a chlorine content of about 35% is a thermoplastic elastomer. Its characteristics are: It has high strength and dimensional stability without vulcanization, and can be filled with a large amount of inorganic fillers, so it is widely used in various rubber and plastic materials. However, the rubber and plastic materials prepared simply with CPE plus inorganic fillers have high strength and high hardness, but this is solved by adding a large amount of plasticizers. Due to the migration of plasticizers, it also brings The long-term use performance of such materials is reduced. Due ...
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