Modified PP and preparation method thereof
A modified and thermoplastic polyester technology, applied in the field of modified PP and its preparation, and the field of twin-screw extruders for the preparation of modified PP, can solve the problems of poor stiffness and impact performance, large shrinkage, easy cracking, etc. The effect of improving stiffness and impact toughness, reducing molding shrinkage, and saving usage
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[0026] Example 1
[0027] Such as figure 1 As shown, a modified PP is prepared from the following raw materials in parts by weight: 28 parts of PP resin, 30 parts of ethylene propylene diene rubber (EPDM), 15 parts of talc, 16 parts of polycarbonate, and polyamide 14 parts, 12 parts of modified polyphenylene ether, 16 parts of thermoplastic polyester, 1 part of stabilizer, 4 parts of compatibilizer and 3 parts of antioxidant, the stabilizer includes one of sodium silicate, urea and potassium chlorate or There are many types, the compatibilizer is PP-G-MAH, and the antioxidant is sec-butyl p-phenylenediamine antioxidant.
[0028] A method for preparing modified PP, the specific steps are as follows:
[0029] (1) Weighing of ingredients: According to parts by weight, weigh the following raw materials: PP resin, EPDM, talc, polycarbonate, polyamide, modified polyphenylene ether, thermoplastic polyester, stable Agents, compatibilizers and antioxidants;
[0030] (2) Mixing and melting: A...
Example Embodiment
[0032] Example 2
[0033] Such as figure 1 As shown, a modified PP is prepared from the following raw materials according to parts by weight: 29 parts of PP resin, 31 parts of ethylene propylene diene rubber (EPDM), 20 parts of talc, 17 parts of polycarbonate, and polyamide 15 parts, 13 parts of modified polyphenylene ether, 17 parts of thermoplastic polyester, 2 parts of stabilizer, 5 parts of compatibilizer and 4 parts of antioxidant, the stabilizer includes one of sodium silicate, urea and potassium chlorate or There are many types, the compatibilizer is PP-G-MAH, and the antioxidant is sec-butyl p-phenylenediamine antioxidant.
[0034] A method for preparing modified PP, the specific steps are as follows:
[0035] (1) Weighing of ingredients: According to parts by weight, weigh the following raw materials: PP resin, EPDM, talc, polycarbonate, polyamide, modified polyphenylene ether, thermoplastic polyester, stable Agents, compatibilizers and antioxidants;
[0036] (2) Mixing and...
Example Embodiment
[0038] Example 3
[0039] Such as figure 1 As shown, a modified PP is prepared from the following raw materials in parts by weight: 30 parts of PP resin, 32 parts of EPDM, 30 parts of talc, 18 parts of polycarbonate, and polyamide 16 parts, 14 parts of modified polyphenylene ether, 18 parts of thermoplastic polyester, 3 parts of stabilizer, 6 parts of compatibilizer and 5 parts of antioxidant, the stabilizer includes one of sodium silicate, urea and potassium chlorate or There are many types, the compatibilizer is PP-G-MAH, and the antioxidant is sec-butyl p-phenylenediamine antioxidant.
[0040] A method for preparing modified PP, the specific steps are as follows:
[0041] (1) Weighing of ingredients: According to parts by weight, weigh the following raw materials: PP resin, EPDM, talc, polycarbonate, polyamide, modified polyphenylene ether, thermoplastic polyester, stable Agents, compatibilizers and antioxidants;
[0042] (2) Mixing and melting: Add the weighed raw materials in s...
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