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Compatilizer and preparation method thereof, alloy comprising same and production method thereof
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A technology of compatibilizer and alloy, which is applied in the field of plastic compatibilizer and its preparation, and can solve the problems that the impact strength of PPO/PP alloy cannot be improved.
Inactive Publication Date: 2012-04-18
SHANGHAI SUNNY
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Problems solved by technology
However, in the actual development process, this compatibilizer product does not help much to improve the impact strength of PPO / PP alloys
Method used
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[0018] The preparation method of the above-mentioned compatibilizer, the components other than the peroxide initiator such as styreneethylene butadiene block copolymer, polyphenylene ether, maleic anhydridemonomer and processing aids are put into high-speed Mix in the mixer, and then feed into the twin-screw extruder through the main feed, add the peroxide initiator into the extruder through the side feed, and the temperature of each section of the extruder from the feed port to the head of the extruder The temperature is set between 80°C and 280°C, and the mixed material is melted and plasticized, kneaded and mixed, extruded through the head, drawn, cooled, pelletized, and dried to obtain the product.
[0019] The present invention also provides a polyphenylene ether / polypropylene alloy, the polyphenylene ether / polypropylene alloy contains polyphenylene ether, polypropylene, a compatibilizer, a toughening agent, and an antioxidant, and the compatibilizer is based on Invente...
Embodiment 1～6
[0032] The present invention will be described in detail below in conjunction with specific embodiments.
Embodiment 1
[0034] One, prepare compatibilizer of the present invention:
[0035] Take the following components by weight percentage:
[0041] Put the other components except the initiator into the high-speed mixer according to the proportion and mix them for 10 minutes, then add them into the twin-screw extruder after metering through the main feeder, and add the initiator into the extruder after metering through the side feeder , the screw temperature of each section of the extruder from the feed port to the head is set between 100°C and 240°C, and the mixed material is melted and plasticized, kneaded and mixed, extruded from the head, drawn, cooled, pelletized, Dry to obtain the compatibilizer product CMGT1.
[0042] 2. Preparation of polyphenylene ether / polypropylene alloy
[0043] Put the polyphenylene ether resin...
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Abstract
The invention provides a compatilizer and a preparation method thereof, and particularly relates to the production of the compatilizer for a polyphenyl ether / polypropylenealloy, wherein the compatilizer is a graft polymer, and is obtained after the grafting reaction of styreneethylene butadiene segmented copolymer, polyphenyl ether, maleic anhydridemonomer, peroxide, initiator and processing aid. The components of the styreneethylene butadiene segmented copolymer, the polyphenyl ether, the maleic anhydridemonomer and the processing aid except the peroxide and the initiator are proportionally placed in a high speed mixer to mix, then the peroxide is fed into a double-screw extruder through a main feeder, the initiator is added into the extruder through a side feeder, and after liquation plasticizing, kneading and mixing, handpiece extrusion, strip drawing, cooling, grain sized dicing and drying, the compatilizer product is obtained. The compatilizer, the polyphenyl ether, polypropylene, flexibilizer and antioxidant are proportionally placed into a mixer to mix, and then are added into the double-screw extruder to plasticize and extrude, so the polyphenyl ether / polypropylenealloy is obtained.
Description
technical field [0001] The invention relates to a plastic compatibilizer and a preparation method thereof, including a polyphenylene ether / polypropylene alloy containing the compatibilizer and a preparation method thereof; especially relates to a compatibilizer and a compatibilizer for a polyphenylene ether / polypropylene alloy Its preparation method, polyphenylene ether / polypropylene alloy containing the compatibilizer and its preparation method. Background technique [0002] Polyphenylene ether (PPO) resin was first produced by GE Company of the United States in 1957, and industrialized production was realized in 1964. Due to the difficulty in processing PPO resin, it is difficult to apply it in practice. It was not until 1966, after GE developed modified PPO resin, that modified PPO achieved rapid development as a general engineering plastic with its excellent performance and many grades. The fifth largest general-purpose engineering plastic after PC, POM, and PBT / PET. P...
Claims
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