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A kind of oil-resistant and high-temperature-resistant modified polyvinyl chloride composite material and preparation method thereof

A polyvinyl chloride and composite material technology, applied in the field of cable materials, can solve the problems of complex preparation process, short service life, high temperature resistance, etc., and achieve the effects of simple process, improved oil resistance and heat resistance, and low production cost

Active Publication Date: 2020-08-28
HUANGMEI KEPUDA INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on the above deficiencies in the prior art, the present invention provides an oil-resistant and high-temperature-resistant modified polyvinyl chloride composite material and its preparation method, which solves the problems in the existing polyvinyl chloride composite materials that are not resistant to high temperature, oil, easy to decompose, use Short life, complex preparation process, high cost and other technical problems

Method used

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  • A kind of oil-resistant and high-temperature-resistant modified polyvinyl chloride composite material and preparation method thereof
  • A kind of oil-resistant and high-temperature-resistant modified polyvinyl chloride composite material and preparation method thereof
  • A kind of oil-resistant and high-temperature-resistant modified polyvinyl chloride composite material and preparation method thereof

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Effect test

Embodiment 1

[0033] A preparation method of an oil-resistant and high-temperature-resistant modified polyvinyl chloride composite material, comprising the steps of:

[0034] Masterbatch preparation stage: first weigh 30gPVC and 20gBN, make the weighed sample into a masterbatch of BN / PVC (mass ratio 4:6), fully mix the two components with 500mL tetrahydrofuran, and put the mixed mixture in Ultrasonic in an ultrasonic cleaner for 5-7 hours, so that the two components in the mixture are fully mixed and evenly mixed.

[0035] 2) Masterbatch molding stage: After the ultrasonic wave is completed, use a Buchner funnel to carry out suction filtration, and the masterbatch after suction filtration is naturally air-dried under ventilated conditions, then crushed, and placed in an oven at 50-60°C for 24 hours.

[0036] 3) Take the masterbatch after drying, and gradually add PVC, PA and organotin therein, the specific proportion is PVC:BN:PA:organotin=81:10:5:4, obtain the sample, after mixing evenly, ...

Embodiment 2

[0038] A preparation method of an oil-resistant and high-temperature-resistant modified polyvinyl chloride composite material, comprising the steps of:

[0039] Masterbatch preparation stage: first weigh 30gPVC and 20gBN, make the weighed sample into a masterbatch of BN / PVC (mass ratio 4:6), fully mix the two components with 500mL tetrahydrofuran, and put the mixed mixture in Ultrasonic in an ultrasonic cleaner for 5-7 hours, so that the two components in the mixture are fully mixed and evenly mixed.

[0040] 2) Masterbatch molding stage: After the ultrasonic wave is completed, use a Buchner funnel to carry out suction filtration, and the masterbatch after suction filtration is naturally air-dried under ventilated conditions, then crushed, and placed in an oven at 50-60°C for 24 hours.

[0041] 3) Take the masterbatch after drying, and gradually add PVC, PA and organotin to it, the specific proportion is PVC:BN:PA:organotin=71:10:15:4, obtain the sample, weigh according to the...

Embodiment 3

[0043] A preparation method of an oil-resistant and high-temperature-resistant modified polyvinyl chloride composite material, comprising the steps of:

[0044] 1) Masterbatch preparation stage: first weigh 30gPVC and 20gBN, make the masterbatch of BN / PVC (mass ratio 4:6) from the weighed sample, fully mix the two components with 500mL tetrahydrofuran, and mix the mixture Put it in an ultrasonic cleaner for 5-7 hours, so that the two components in the mixture are fully mixed and evenly mixed.

[0045]2) Masterbatch molding stage: After the ultrasonic wave is completed, use a Buchner funnel to carry out suction filtration. The masterbatch after suction filtration is naturally air-dried under ventilated conditions, then crushed, and placed in an oven at 50-60°C for 24 hours.

[0046] 3) Take the masterbatch after drying, and gradually add PVC, PA and organotin therein, the specific proportion is PVC:BN:PA:organotin=61:10:25:4, obtain the sample, after mixing evenly, Knead at 17...

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Abstract

The invention discloses an oil-resistant and high-temperature-resistant modified polyvinyl chloride (PVC) composite material and a preparation method thereof. The oil-resistant and high-temperature-resistant modified PVC composite material comprises the following components in parts by weight: 60 to 90 parts of PVC powder, 5 to 25 parts of boron nitride (BN) powder, 1 to 25 parts of nylon and 1 to5 parts of organic tin. The preparation method comprises the following steps: (1) a mother material preparation stage: weighing a certain amount of PVC and BN to prepare the mother material of BN / PVC, mixing the mother material by using tetrahydrofuran and putting the mixture into an ultrasonic cleaner; (2) a mother material forming stage: after ultrasonic treatment, performing suction filtrationby a Buchner funnel, naturally air-drying, crushing and drying; (3) mixing the dried mother material and other raw materials uniformly according to the proportion, mixing in a Happ mixing machine, crushing, performing mold pressing, performing hot cutting and preparing samples. According to the oil-resistant and high-temperature-resistant modified PVC composite material and the preparation methodthereof, which are provided by the invention, the technical problems that the conventional PVC composite material does not resist high temperature and oil and is liable to decompose, short in servicelife, complex in preparation process, high in cost and the like are solved.

Description

technical field [0001] The invention relates to the field of cable materials, in particular to an oil-resistant and high-temperature-resistant modified polyvinyl chloride composite material and a preparation method thereof. Background technique [0002] Polyvinyl chloride (PVC) is a general-purpose plastic, and it is the second largest synthetic plastic in the world. Since the development of new polymer materials in my country, with the development of polymers, PVC composite materials rank first in my country's synthetic plastics First. Polyvinyl chloride has many excellent properties, such as: cheap price, good transparency, difficult to burn and corrosion resistance. The original polyvinyl chloride only has the basic characteristics of polyvinyl chloride, but by adding various additives and using a variety of The processing and forming method can prepare various soft or hard products with different properties and a wide range of uses. In some special occasions, such as in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L77/02C08K5/57C08K3/38
CPCC08K2003/385C08L27/06C08L2201/08C08L2205/025C08L2205/03C08L77/02C08K5/57C08K3/38
Inventor 游峰马鹏飞翁闯李栋辉江学良姚楚
Owner HUANGMEI KEPUDA INDAL
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