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Corrosion-resistant modified plastic and preparation method thereof

A corrosion-resistant and modified technology, applied in the field of plastics, to achieve the effect of improving flame retardant performance, good rigidity and improving wear resistance

Inactive Publication Date: 2019-04-26
高邮市汉升高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Plastic is a high molecular compound polymerized by addition polymerization or polycondensation reaction of monomer as raw material, commonly known as plastic or resin. With the development of the times, people have higher and higher requirements for plastic products, and the existing technology cannot meet these requirements, it is necessary to modify traditional plastics to obtain modified plastics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment one: a kind of corrosion-resistant modified plastics, comprise the raw material of following weight portion: low density polyethylene (LDPE) 50 parts, ethylene-vinyl acetate copolymer (EVA) 10 parts, reduced iron powder 1 part, carbon dioxide 2 parts of silicon, 1 part of polymer toughening agent, 5 parts of alkali-free glass fiber, 2 parts of antioxidant, 5 parts of auxiliary antioxidant, 5 parts of light stabilizer, 5 parts of fire retardant, 5 parts of lubricant, 5 parts of dispersant; Described antioxidant is KY-7910 (antioxidant 1010); Described auxiliary antioxidant is thioester; Described light stabilizer is the carbon black of ultraviolet light shielding agent; Described dispersant It is absolute ethanol; the lubricant is stearic acid.

[0018] Further, the particle size of the light stabilizer carbon black is less than 35nm.

[0019] Further, the alkali-free glass fiber is chopped glass fiber with a single filament diameter of 10 μm.

[0020] A met...

Embodiment 2

[0026] Embodiment two: a kind of corrosion-resistant modified plastics, comprise the raw material of following weight portion: low-density polyethylene (LDPE) 60 parts, ethylene-vinyl acetate copolymer (EVA) 15 parts, reduced iron powder 2 parts, carbon dioxide 6 parts of silicon, 3 parts of polymer toughening agent, 10 parts of alkali-free glass fiber, 5 parts of antioxidant, 10 parts of auxiliary antioxidant, 8 parts of light stabilizer, 2 parts of fire retardant, 6 parts of lubricant, 8 parts of dispersant; Described antioxidant is KY-7910 (antioxidant 1010); Described auxiliary antioxidant is thioester; Described light stabilizer is the carbon black of ultraviolet light shielding agent; Described dispersant It is absolute ethanol; the lubricant is stearic acid.

[0027] Further, the particle size of the light stabilizer carbon black is less than 35nm.

[0028] Further, the alkali-free glass fiber is chopped glass fiber with a single filament diameter of 10 μm.

[0029] A...

Embodiment 3

[0035] Embodiment three: a kind of corrosion-resistant modified plastics, comprise the raw material of following weight portion: low-density polyethylene (LDPE) 70 parts, ethylene-vinyl acetate copolymer (EVA) 20 parts, reduced iron powder 5 parts, carbon dioxide 10 parts of silicon, 5 parts of polymer toughening agent, 15 parts of alkali-free glass fiber, 5 parts of antioxidant, 15 parts of auxiliary antioxidant, 15 parts of light stabilizer, 10 parts of fire retardant, 10 parts of lubricant, 10 parts of dispersant; Described antioxidant is KY-7910 (antioxidant 1010); Described auxiliary antioxidant is thioester; Described light stabilizer is the carbon black of ultraviolet light shielding agent; Described dispersant It is absolute ethanol; the lubricant is stearic acid.

[0036] Further, the particle size of the light stabilizer carbon black is less than 35nm.

[0037] Further, the alkali-free glass fiber is chopped glass fiber with a single filament diameter of 10 μm.

[...

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Abstract

The invention discloses corrosion-resistant modified plastic. The plastic is prepared from the following raw materials in parts by weight: 50-70 parts of LDPE (low density polyethylene), 10-20 parts of a EVA (ethylene-vinyl acetate) copolymer, 1-5 parts of reduced iron powder, 2-10 parts of SiO2, 1-5 parts of a polymer toughener, 5-15 parts of alkali-free glass fiber, 2-5 parts of an antioxidant,5-15 parts of an auxiliary antioxidant, 5-15 parts of a light stabilizer, 5-10 parts of a fire retardant, 5-10 parts of a lubricant and 5-10 parts of a dispersant. A preparation method of the corrosion-resistant modified plastic comprises the following steps: adding the raw materials to a mixer, uniformly stirring the raw materials, and performing extruding through a double-screw extruder. SiO2 belongs to hard particles, wear resistance of plastics is effectively improved, the educed iron powder belongs to metal hard particles, adhesive capacity with the inside of the plastic is improved, andplasticization in the molding process is uniform; carbon black inhibits certain plastic deformation; by combination of the antioxidant and the auxiliary antioxidant, aging of the plastic can be effectively prevented, and service life is prolonged.

Description

technical field [0001] The invention relates to the technical field of plastics, in particular to a corrosion-resistant modified plastic and a preparation method thereof. Background technique [0002] Plastic is a high molecular compound polymerized by addition polymerization or polycondensation reaction of monomer as raw material, commonly known as plastic or resin. With the development of the times, people have higher and higher requirements for plastic products, and the existing technology cannot meet these Requirements, traditional plastics need to be modified to obtain modified plastics. Modified plastics refer to plastic products that are processed on the basis of general-purpose plastics and engineering plastics through filling, blending, and reinforcement to improve their performance in terms of flame retardancy, strength, impact resistance, and toughness. Contents of the invention [0003] Aiming at the above-mentioned deficiencies in the prior art, the present i...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/08C08L51/06C08K13/04C08K7/14C08K3/36C08K3/08C08K3/04
CPCC08K2003/0856C08K2201/003C08L23/06C08L2201/02C08L2205/03C08L2207/066C08L23/0853C08L51/06C08K13/04C08K7/14C08K3/36C08K3/08C08K3/04
Inventor 汤洪流
Owner 高邮市汉升高分子材料有限公司
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