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Cold-resistance super tough nylon polyolefin alloy and preparation method thereof

A polyolefin and super-tough technology, which is applied in the field of cold-resistant super-tough nylon polyolefin alloy and its preparation, can solve the problems of low performance and high cost, and achieve the effects of low cost, good low-temperature impact resistance and excellent comprehensive performance

Inactive Publication Date: 2010-10-27
SHENZHEN KEJU NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a cold-resistant super-tough nylon polyolefin alloy and

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0041] Example 1

[0042] A cold-resistant super-tough PA6 / PE alloy is made of the following raw materials in parts by weight:

[0043] Component 1 PA645 parts, component 2PE 30 parts, component 3 compatibilizer maleic anhydride grafted polyethylene 9.7 parts, component 4 toughening agent maleic anhydride grafted POE 15 parts, component 5 antioxidant four[ 0.1 part of 3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, 0.5 part of component 6 other additives.

[0044] Preparation method: Weigh the above raw materials, mix them in a medium-speed mixer for 20 minutes, melt and extrude the mixed raw materials through a twin-screw extruder, and granulate; the process conditions of the twin-screw extruder are: twin-screw extruder- The temperature in the zone is 190°C, the temperature in the second zone is 200°C, the temperature in the third zone is 200°C, the temperature in the fourth zone is 200°C, and the temperature in the fifth zone is 200°C. The conveying...

Example Embodiment

[0045] Example 2

[0046] A cold-resistant super-tough PA6 / PP alloy is made of the following raw materials in parts by weight:

[0047] Component 1 PA 675 parts, Component 2 PP 15 parts, Component 3 compatibilizer maleic anhydride grafted polypropylene 4.8 parts, component 4 toughening agent maleic anhydride grafted POE 5 parts, component 5 antioxidant phosphorous acid 0.1 part of tris(2,4-di-tert-butylphenyl ester), 0.1 part of other additives in component 6.

[0048] Preparation method: Weigh the above raw materials, mix them in a medium-speed mixer for 20 minutes, melt and extrude the mixed raw materials through a twin-screw extruder, and granulate; the process conditions of the twin-screw extruder are: twin-screw extruder The temperature in the first zone is 200°C, the temperature in the second zone is 210°C, the temperature in the third zone is 215°C, the temperature in the fourth zone is 220°C, and the temperature in the fifth zone is 215°C. The conveying time of the mi...

Example Embodiment

[0049] Example 3

[0050] A cold-resistant super-tough PA6 / PE alloy is made of the following raw materials in parts by weight:

[0051] Component 1 PA6 61.7 parts, component 2 PE 20 parts, component 3 compatibilizer maleic anhydride grafted polyethylene 5 parts, component 4 toughening agent maleic anhydride grafted POE 13 parts, component 5 antioxidant sub 0.2 part of tris(2,4-di-tert-butylphenyl phosphate), 0.1 part of other additives in component 6.

[0052] Preparation method: Weigh the above raw materials, mix them in a medium-speed mixer for 20 minutes, melt and extrude the mixed raw materials through a twin-screw extruder, and granulate; the process conditions of the twin-screw extruder are: twin-screw extruder- The temperature in the zone is 200°C, the temperature in the second zone is 210°C, the temperature in the third zone is 215°C, the temperature in the fourth zone is 220°C, and the temperature in the fifth zone is 215°C. The conveying time of the mixture in the s...

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Abstract

The invention relates to a cold-resistance super tough nylon polyolefin alloy, which is prepared by the following raw materials in part by mass: 45 to 75 parts of polycaprolactam, 15 to 30 parts of polyolefin, 4.8 to 9.7 parts of compatilizer, 5 to 15 parts of flexibilizer, 0.1 to 0.3 part of antioxygen and 0.1 to 0.5 part of assistant. The invention also provides a method for preparing the cold-resistance super tough nylon polyolefin alloy. In the method, polycaprolactam, polyolefin and the like are used as basic materials, maleic anhydride-grafted polyolefin is used as the compatilizer, maleic anhydride-grafted POE is used as the flexibilizer, and the double screw extrusion blending is used to prepare the cold-resistance super tough nylon polyolefin alloy. The cold-resistance super tough nylon polyolefin alloy prepared by the method is low in cost, high in comprehensive performance and high in low temperature and impact resistance.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a cold-resistant super-tough nylon polyolefin alloy and a preparation method thereof. Background technique [0002] Polyamide (PA), commonly known as nylon (Nylon), is a general term for thermoplastic resins containing repeated amide groups - [NHCO] - in the main molecular chain. Nylon plastic has superior heat resistance, mechanical strength, and chemical resistance, and is widely used in electronic appliances, building materials, automobiles, films, monofilaments, etc. However, nylon plastics have defects such as a decrease in mechanical strength and a change in product size. For this reason, the pure resin raw materials on the market cannot meet the existing market demand, and the modification of nylon plastics has attracted people's attention. [0003] Cold-resistant super-tough nylon is a kind of modified nylon, which has the properties of low temperature resista...

Claims

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Application Information

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IPC IPC(8): C08L77/02C08L23/06C08L23/12C08L51/06
Inventor 邢家思
Owner SHENZHEN KEJU NEW MATERIAL
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