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A plastic-coating alloy additive for coating

An additive and plastic coating technology, applied in the field of alloy additives, can solve the problems of poor tear, poor tensile strength, poor burst resistance, etc., and achieve the effects of preventing high temperature creep, improving peel strength, and improving peel strength.

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 the existing additives, and provide a plastic-coated alloy additive for coating

Method used

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  • A plastic-coating alloy additive for coating
  • A plastic-coating alloy additive for coating

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Experimental program
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specific Embodiment approach 1

[0008] Specific embodiment one: This embodiment is a plastic-coating alloy additive for coating, consisting of 22-30 parts of low-density polyethylene, 5-40 parts of ethylene-propylene copolymer, 50-60 parts of inorganic filler, It is prepared by 1-2 parts of lubricant, 1-2 parts of coupling agent, 1-2 parts of heat stabilizer, 0.25-0.31 part of cross-linking agent, 0.2-1 part of antioxidant and 0.2-1 part of light stabilizer.

[0009] The plastic-coating alloy additive for coating described in this embodiment is prepared according to the following steps:

[0010] 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;

[0011] 2. Inorganic filler activation: Add 50-60 parts of inorganic filler, 1-2 parts...

specific Embodiment approach 2

[0019] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the low density polyethylene has a molecular weight of 100,000 to 300,000. Others are the same as the first embodiment.

specific Embodiment approach 3

[0020] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the melt flow rate of the ethylene-propylene copolymer is 120 g / 10 min. Others are the same as those in Embodiment 1 or 2.

[0021] 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 plastic coated alloy additive for coating and relates to 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 plastic coated alloy additive for the coating is prepared from low-density polyethylene, an ethylene-propylene copolymer, an inorganic filler, a lubricant, a coupling agent, a heat stabilizer, a crosslinking agent, an antioxidant and a light stabilizer in parts by weight. The plastic coated alloy additive 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 of the plastic woven bag reaches 80g / 10min, the tensile strength reaches above 30MPa; and the stripping strength is improved by 37N on the basis that original properties of plastic are kept. A preparation method is mainly used for preparing the plastic coated alloy additive for the coating.

Description

technical field [0001] The invention relates to 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-toxic, odorless, has exc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L23/16C08K13/06C08K9/04C08K3/26
CPCC08L23/06C08L2207/066C08L23/16C08K13/06C08K9/04C08K2003/265C08K5/098C08K5/14C08K5/13
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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