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Ethylene-propylene rubber grafted maleic anhydride modified polyester plate and preparation method thereof

A technology of grafting maleic anhydride and ethylene propylene rubber, applied in the field of polyester sheet, can solve the problems of low impact resistance, low electrical insulation, chemical resistance and processing performance, and easy aging.

Inactive Publication Date: 2011-08-31
张万鹏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of polyester sheets in the prior art are: poor impact resistance, easy aging, low impact strength, low electrical insulation, chemical resistance and processability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1. An ethylene propylene rubber grafted maleic anhydride modified polyester sheet, which is made of raw materials with the following weight ratios,

[0021] Polyester 80; Antioxidant 0.5;

[0022] Ethylene propylene rubber grafted with maleic anhydride 15.

[0023] It can be made by conventional methods in the prior art.

Embodiment 2

[0024] Example 2. An ethylene propylene rubber grafted maleic anhydride modified polyester sheet, which is made of raw materials with the following weight ratios,

[0025] Polyester 120; Antioxidant 1.5; Ethylene-propylene rubber grafted with maleic anhydride 25.

[0026] The preparation method steps are as follows:

[0027] (1) Take the raw materials according to the stated weight ratio, put the polyester into the internal mixer for mixing, the mixing temperature is 170℃, and the time is 4 minutes; then the ethylene-propylene rubber grafted horse is added to the internal mixer Use acid anhydride, or add pigments, and carry out banburying at 170℃ for 4 minutes to obtain banburying materials;

[0028] (2) Put the banbury material and the antioxidant into the refiner for mixing and refining. During the refining, the roller temperature of the mill is 155°C and the refining time is 4 minutes to obtain refined materials;

[0029] (3) The refined material is dispensed through the dischargin...

Embodiment 3

[0030] Example 3. An ethylene propylene rubber grafted maleic anhydride modified polyester sheet, which is made of raw materials with the following weight ratios,

[0031] Polyester 100; Antioxidant 1; Ethylene-propylene rubber grafted with maleic anhydride 20.

[0032] The preparation method steps are as follows:

[0033] (1) Take the raw materials according to the stated weight ratio, put the polyester into the internal mixer for mixing, the mixing temperature is 175℃, and the time is 5 minutes; then add the ethylene-propylene rubber grafted horse to the internal mixer Use acid anhydride, or add pigments, and perform banburying at a temperature of 175°C and a time of 5 minutes to obtain banburying materials;

[0034] (2) Put the banbury material and the antioxidant into the refiner for mixing and refining. During the refining, the roller temperature of the mill is 160℃, and the refining time is 5 minutes to obtain refined materials;

[0035] (3) The refined material is dispensed thr...

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PUM

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Abstract

The invention provides an ethylene-propylene rubber grafted maleic anhydride modified polyester plate which is characterized by being prepared by the following raw materials in parts by weight: 80-120 parts of polyester, 0.5-1.5 parts of antioxidant and 15-25 parts of ethylene-propylene rubber grafted maleic anhydride. The invention further discloses a preparation method of the ethylene-propylene rubber grafted maleic anhydride modified polyester plate. The ethylene-propylene rubber grafted maleic anhydride modified polyester plate is made of a modified polyester material. For the plate prepared after modification, the impact resistance is strong, the aging-resistant time can be prolonged by more than 5 times, and can improve the heat resistance, electrical insulativity, medicament resistance and processability can be improved significantly. The plate is suitable for being used for indoor and outdoor wood-like floors with high elasticity, decorative plates, electrical insulating plates, other military and industrial plates, transparent solar plates, outdoor movable plank houses, waterproof partition plates and the like.

Description

Technical field [0001] The invention relates to a polyester sheet, in particular to an ethylene-propylene rubber grafted maleic anhydride modified polyester sheet, and also relates to a preparation method of the sheet. Background technique [0002] Polyethylene terephthalate (PET) is a polymer compound. Polyethylene terephthalate (PET) is produced by polycondensation of terephthalic acid (PTA) and ethylene glycol (EG), and part of the PET is finally produced through underwater pelletizing. Fiber-grade polyester chips are used to manufacture polyester staple fibers and polyester filaments. They are the raw materials for polyester fiber companies to process fibers and related products. As the largest variety of chemical fibers, polyester occupies nearly 80% of the market share in the chemical fiber industry. The market changes and development trends of polyester series are the focus of the chemical fiber industry. The disadvantages of the polyester sheet in the prior art are: poo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/00C08L67/02C08L51/06C08K5/134
Inventor 张万鹏
Owner 张万鹏