PP-PA alloy and preparation method thereof

A PP-PA and alloy technology, applied in the field of organic polymer compounds, can solve problems such as market promotion restrictions and poor mechanical strength, and achieve the effects of good toughness, low processing cost, and simple preparation process

Inactive Publication Date: 2017-05-31
四川锦泰佳环保建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its mechanical strength is not good, and its marketing is limited

Method used

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  • PP-PA alloy and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 40 parts of PP, 30 parts of PA, 5 parts of red mud, 1 part of wollastonite, 1 part of glass microspheres, 1 part of hydrotalcite, 1 part of silane coupling agent, and 1 part of polyolefin elastomer grafted with maleic anhydride , 5 parts of graphite, and 1 part of graft compound containing acrylate functional groups are uniformly mixed, extruded through a twin-screw extruder to obtain a PP-PA alloy; the red mud, wollastonite, glass microspheres, hydrotalcite, graphite It is 1500 mesh, wherein the speed of the twin-screw extruder is controlled at 200rpm, the temperature of the first zone of the twin-screw extruder is 180°C, the temperature of the second zone is 200°C, the temperature of the third zone is 210°C, and the temperature of the fourth zone is 260°C. The temperature of the fifth zone is 270°C, the temperature of the sixth zone is 280°C, the temperature of the seventh zone is 270°C, the temperature of the eighth zone is 250°C, the temperature of the ninth zone is ...

Embodiment 2

[0026] 45 parts of PP, 35 parts of PA, 8 parts of red mud, 3 parts of wollastonite, 3 parts of glass microspheres, 2 parts of hydrotalcite, 3 parts of silane coupling agent, and 3 parts of polyolefin elastomer grafted maleic anhydride compound , 8 parts of graphite, and 2 parts of copolymers containing acrylate functional group compounds are uniformly mixed, and extruded through a twin-screw extruder to obtain a PP-PA alloy; the red mud, wollastonite, glass beads, hydrotalcite, graphite The temperature of the twin-screw extruder is 1700 mesh, the speed of the twin-screw extruder is controlled at 250rpm, the temperature of the first zone of the twin-screw extruder is 190°C, the temperature of the second zone is 210°C, the temperature of the third zone is 230°C, the temperature of the fourth zone is 280°C, and the temperature of the fifth zone The temperature is 290°C, the temperature in the sixth zone is 300°C, the temperature in the seventh zone is 280°C, the temperature in the...

Embodiment 3

[0028] 50 parts of PP, 40 parts of PA, 10 parts of red mud, 5 parts of wollastonite, 5 parts of glass beads, 3 parts of hydrotalcite, 5 parts of silane coupling agent, and 5 parts of polyolefin elastomer grafted with maleic anhydride , 10 parts of graphite, and 3 parts of copolymers containing acrylate functional group compounds are evenly mixed, and extruded through a twin-screw extruder to obtain a PP-PA alloy; the red mud, wollastonite, glass microspheres, hydrotalcite, graphite It is 1800 mesh, wherein the speed of the twin-screw extruder is controlled at 300rpm, the temperature of the first zone of the twin-screw extruder is 200°C, the temperature of the second zone is 220°C, the temperature of the third zone is 240°C, and the temperature of the fourth zone is 300°C. The temperature of the fifth zone is 300°C, the temperature of the sixth zone is 300°C, the temperature of the seventh zone is 300°C, the temperature of the eighth zone is 260°C, the temperature of the ninth z...

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Abstract

The invention belongs to the field of organic polymeric compounds, and especially relates to a PP-PA alloy and a preparation method thereof. The PP-PA alloy comprises PP, PA, red mud, wollastonite, glass beads, hydrotalcite, a silane coupling agent, a flexibilizer, graphite and a compatilizer. The preparation method comprises the following steps: uniformly mixing the PP, the PA, red mud, wollastonite, glass beads, hydrotalcite, the silane coupling agent, the flexibilizer, graphite and the compatilizer, and extruding the obtained mixture through a double screw extruder to obtain the PP-PA alloy. The PP-PA alloy prepared in the invention has excellent mechanical performances, and the preparation method is simple.

Description

technical field [0001] The invention belongs to the field of organic polymer compounds, in particular to a PP-PA alloy and a preparation method thereof. Background technique [0002] Polymer alloy materials are a class of new materials with high performance, functionalization and specialization obtained by physical blending or chemical grafting. Polymer alloy material products can be widely used in automobiles, electronics, precision instruments, office equipment, packaging materials, building materials and other fields. [0003] It can improve or increase the performance of existing plastics and reduce costs, and has become one of the most active varieties in the plastics industry, growing very rapidly. With the sustained and rapid development of my country's economy, the demand potential of my country's plastic alloy market is huge in the next few years, especially the rapid growth of electronic communications, automobiles, and construction industries, which will drive th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L77/00C08L51/06C08L51/00C08L33/04C08K13/04C08K7/20C08K3/34C08K3/26C08K3/04B29C47/92B29C48/92
CPCC08L23/12B29C48/92B29C2948/92704C08L2205/02C08L2205/035C08L2205/08C08L77/00C08L51/06C08L51/00C08L33/04C08K13/04C08K7/20C08K3/34C08K3/26C08K3/04
Inventor 邓利民黄大明
Owner 四川锦泰佳环保建材有限公司
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