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Nitrile-butadiene rubber/polyvinyl chloride (NBR/PVC) blending rubber-plastic material and preparation method thereof

A rubber-plastic blending technology, applied in the field of rubber-plastic materials, can solve the problems of low-temperature brittleness and poor flexibility, impact resistance and heat resistance, poor light stability, and limit wide application, etc., to improve ozone resistance And weather aging resistance, enhanced storage stability, not easy to self-vulcanization effect

Inactive Publication Date: 2013-03-27
晋州市安达汽车配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its impact resistance, heat resistance and light stability are poor, especially low temperature brittleness and poor flexibility, which limit its wide application.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] The preparation method of NBR / PVC blended rubber-plastic material comprises the following steps:

[0029] (1) Preparation of material A

[0030] Get the following raw materials in parts by weight: 70 parts of NBR N-41, 30 parts of dibutyl phthalate, 6 parts of coumarone resin, 30 parts of semi-reinforcing carbon black, 20 parts of nano calcium carbonate, modified nano diatomite 15 parts, 10 parts of dicumyl peroxide, 5 parts of chlorinated paraffin, 2 parts of lead stearate, 2 parts of barium stearate, 4 parts of zinc oxide, 2 parts of stearic acid, 0.3 parts of accelerator M, accelerator 1 part of agent DM, 2 parts of anti-aging agent SP-C, 3 parts of sulfur, 2 parts of antioxidant CA,

[0031] Wherein, the modified nano-diatomite is prepared by the following method: burn the diatomite at 700°C for 5 hours, then grind it into a nano-powder, and mix in bis(dioctyl oxide) equivalent to 2% by weight of the powder base pyrophosphate) ethylene titanate, 2% propylene ...

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PUM

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Abstract

The invention discloses a nitrile-butadiene rubber / polyvinyl chloride (NBR / PVC) blending rubber-plastic material, and a preparation method of the blending rubber-plastic material. The blending rubber-plastic material is prepared by mixing an A material and a B material in an equal proportion. The NBR / PVC blending rubber-plastic material disclosed by the invention integrates ozone resistance of PVC and oil resistance and crosslinkable performance of NBR. In comparison with pure PVC, the NBR / PVC blending composite material has the characteristics that 1, ozone resistance and weather aging resistance are remarkably improved; 2, tensile strength, stress at definite elongation, tear resistance, heat resistance and flame 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-plastic material, in particular to an NBR / PVC blended rubber-plastic material and a preparation method thereof. Background technique [0002] Polyvinyl chloride (PVC) has high mechanical strength, good acid and alkali resistance, dielectric properties and insulation properties. Compared with ordinary rubber, it also has better wear resistance and flame retardancy. However, its poor impact resistance, heat resistance and light stability, especially low temperature brittleness and poor flexibility, limit its wide application. Nitrile rubber (NBR) can make up for the above shortcomings in terms of performance. NBR and PVC are similar in polarity and have good compatibility between the two. It also has the plasticity, weather resistance, chemical resistance and other characteristics of PVC. Contents of the invention [0003] The purpose of the present invention is to provide an NBR / PVC blended rubber and plastic mater...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L27/06C08L45/02C08L61/14C08K13/06C08K9/04C08K3/34C08K5/12C08K3/04C08K3/26C08K5/14C08K5/098
Inventor 冯玉柱宿英迁叶林刘平冯云祥张朝哲杨波郭茂发
Owner 晋州市安达汽车配件有限公司
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