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A preparation method of coating with plastic alloy additives

An additive and plastic coating technology, applied in the field of alloy additive preparation, can solve the problems of poor tensile strength, poor bursting resistance and poor tearing degree of plastic woven bags, and achieves improved fluidity, improved interfacial force, high The effect of viscosity

Active Publication Date: 2016-08-24
哈尔滨盛洋塑胶材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of poor burst resistance, poor tearing degree and poor tensile strength in the plastic woven bags prepared by existing additives, and provide a method for preparing plastic-coated alloy additives for coating

Method used

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  • A preparation method of coating with plastic alloy additives
  • A preparation method of coating with plastic alloy additives
  • A preparation method of coating with plastic alloy additives

Examples

Experimental program
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specific Embodiment approach 1

[0015] Embodiment 1: This embodiment is a method for preparing plastic-coated alloy additives for coating, which is specifically completed according to the following steps:

[0016] 1. Weighing: Weigh 22-30 parts of low-density polyethylene, 5-40 parts of ethylene-propylene copolymer, 50-60 parts of inorganic filler, 1-2 parts of lubricant, 1-2 parts of coupling agent, 1 to 2 parts of heat stabilizer, 0.25 to 0.31 part of crosslinking agent, 0.2 to 1 part of antioxidant and 0.2 to 1 part of light stabilizer;

[0017] 2. Inorganic filler activation: Add 50-60 parts of inorganic filler, 1-2 parts of heat stabilizer and 1-2 parts of coupling agent into the high-mixer, and mix and activate at a temperature of 100°C-120°C. 10min~20min, get the activated inorganic filler;

[0018] 3. Dynamic vulcanization: 5-40 parts of ethylene-propylene copolymer, 0.25-0.31 parts of cross-linking agent, 1-2 parts of lubricant, 22-30 parts of low-density polyethylene, 0.2-1 part of anti-corrosion ...

specific Embodiment approach 2

[0026] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the molecular weight of the low-density polyethylene described in step 1 is 100,000 to 300,000. Others are the same as the first embodiment.

specific Embodiment approach 3

[0027] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the melt flow rate of the ethylene-propylene copolymer described in step 1 is 120 g / 10 min. Others are the same as those in Embodiment 1 or 2.

[0028] The ethylene-propylene copolymer described in this embodiment is prepared by using ethylene monomer and propylene monomer as raw materials, using a metallocene catalyst as a catalyst, and preparing the molar ratio of ethylene monomer to propylene monomer at 1:1.

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Abstract

The invention discloses a preparation method of a plastic coated alloy additive for coating and relates to a preparation method of an alloy additive. The additive aims at solving the problems of a plastic woven bag prepared from the existing additive has poor bursting strength, tearing strength and tensile strength. The preparation method comprises the steps of: I weighing, II, activating an inorganic filler, III, carrying out dynamic vulcanization, and IV, adding an alloy material into a twin-screw extruder for extrusion, cooling, forming and cutting in sequence, and obtaining the plastic coated alloy additive for the coating. The preparation method has the advantages that the breaking elongation of the plastic woven bag prepared from the plastic coated alloy additive for the coating reaches 200%, a melt flow rate reaches 80g / 10min, the tensile strength reaches above 30MPa, and the stripping strength is improved by 37N. The preparation method is mainly used for preparing the plastic coated alloy additive for the coating.

Description

technical field [0001] The invention relates to a preparation method of an alloy additive. Background technique [0002] At present, the production of plastic woven bags on the market mostly uses traditional polypropylene material as the base fabric, and the coating film material made of polypropylene powder with good fluidity is the main material, and appropriate high-pressure polyethylene material is added to improve the coating. The coating viscosity of the film. Using this method to produce raw materials to produce plastic woven bags, although to a certain extent meet the performance, but it will greatly affect the tensile strength, fluidity, aging resistance, high temperature, product surface and performance of the material, often due to aging The problems lead to the product's insufficiency in load-bearing (tensile strength), peel strength, fluidity, surface gloss of the product, etc., so it limits a certain range of use in terms of use. [0003] Polyethylene is non-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L23/16C08K13/06C08K9/04C08K3/26B29C47/92B29C48/92
CPCB29C48/92C08L23/06C08L23/16C08L2205/02C08L2207/066C08K13/06C08K9/04C08K2003/265C08K5/098C08K5/14C08K5/13
Inventor 郭照军刘振雷郭宇
Owner 哈尔滨盛洋塑胶材料有限公司
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