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Elastomer-coated inorganic-particle-filled glass-fiber-reinforced polyethylene composite material

A technology of inorganic particles and composite materials, which is applied in the field of elastomer-coated inorganic particles filled with glass fiber reinforced polyethylene composite materials, can solve the problems of poor impact strength, easy brittle fracture, and difficulty in meeting performance requirements, and achieves improved mechanical properties. performance effect

Inactive Publication Date: 2015-06-24
QINGDAO WANLI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the disadvantages of poor impact strength and brittle fracture of polyethylene, it is difficult to meet the performance requirements of some fields.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An elastomer-coated inorganic particle-filled glass fiber reinforced polyethylene composite material. Its components are proportioned by mass percentage: 65% polyethylene, 10% calcium carbonate with a particle size of 0.1μm-20μm, and 1.5% diisocyanate , Ethylene glycol 3%, ethylene-methyl acrylate-glycidyl methacrylate terpolymer (E-MA-GMA) 5%, 15% alkali-free glass fiber treated with silane coupling agent, main The compound of antioxidant 1010 and auxiliary antioxidant 168 is 0.5%.

[0018] Preparation method: (1) Weigh the components according to the weight ratio for use; (2) Add calcium carbonate and ethylene glycol with a particle size of 0.1μm~20μm into the mixer at a cylinder temperature of 40℃~70℃ Stir at low speed for 5-15 minutes, then add diisocyanate and stir at high speed for 10-60 minutes to make full addition polymerization and coating; (3) Then add polyethylene, ethylene-methyl acrylate-methacrylic acid shrinkage in the mixer The compound of glyceride terpo...

Embodiment 2

[0020] An elastomer-coated inorganic particle-filled glass fiber reinforced polyethylene composite material. Its components are proportioned by mass percentage: 75% polyethylene, 8% talc with a particle size of 0.1μm-20μm, and 1% diisocyanate , Ethylene glycol 2%, ethylene-methyl acrylate-glycidyl methacrylate terpolymer (E-MA-GMA) 3.5%, alkali-free glass fiber 10% treated with silane coupling agent, main The compound of antioxidant 1010 and auxiliary antioxidant 168 is 0.5%.

[0021] Preparation method: (1) Weigh the components according to the weight ratio for use; (2) Add talc powder and ethylene glycol with a particle size of 0.1μm~20μm into the mixer at a cylinder temperature of 40℃~70℃ Stir at low speed for 5-15 minutes, then add diisocyanate and stir at high speed for 10-60 minutes to make full addition polymerization and coating; (3) Then add polyethylene, ethylene-methyl acrylate-methacrylic acid shrinkage in the mixer The compound of glyceride terpolymer (E-MA-GMA), ma...

Embodiment 3

[0023] An elastomer-coated inorganic particle-filled glass fiber reinforced polyethylene composite material. Its components are proportioned by mass percentage: 60% polyethylene, 15% kaolin with a particle size of 0.1 μm to 20 μm, and 2% diisocyanate. Ethylene glycol 4%, ethylene-methyl acrylate-glycidyl methacrylate terpolymer (E-MA-GMA) 8%, alkali-free glass fiber 10% treated with silane coupling agent, main resistance The compound of oxygen agent 1010 and auxiliary antioxidant 168 is 1%.

[0024] Preparation method: (1) Weigh the components according to the weight ratio for use; (2) Add kaolin and ethylene glycol with a particle size of 0.1μm~20μm into the barrel temperature of 40℃~70℃. Stir for 5-15 minutes, then add diisocyanate and stir at high speed for 10-60 minutes to make full addition polymerization and coating; (3) Then add polyethylene, ethylene-methyl acrylate-glycidyl methacrylate to the mixer The compound of ester terpolymer (E-MA-GMA) and main antioxidant 1010 a...

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Abstract

The invention discloses an elastomer-coated inorganic-particle-filled glass-fiber-reinforced polyethylene composite material. The polyethylene composite material comprises the following components in percentages by mass: 60%-80% of polyethylene, 8%-15% of inorganic particles, 1%-2% of diisocyanate, 2%-4% of ethylene alcohol, 3%-8% of compatilizer, 10%-25% of glass fiber and 0.1%-1% of antioxidant. Compared with prior art, the elastomer-coated inorganic-particle-filled glass-fiber-reinforced polyethylene composite material has the beneficial effect that the diisocyanate and the ethylene alcohol are stirred in a mixer and addition polymerization is performed therein so that the surfaces of the inorganic particles are coated by the polyurethane elastomers and a core-shell structure in which the inorganic particles are cores and the elastomers are shells is formed; according to the elastomer-coated inorganic-particle-filled glass-fiber-reinforced polyethylene composite material, the inorganic particles and the elastomers play respective advantages and good synergistic strengthening and toughening effects of the inorganic particles, the elastomers and the polyethylene are realized; moreover, the glass-fiber reinforcement is also utilized to further improve the mechanical property, the heat-resistant property and the processing property of the material.

Description

Technical field [0001] The invention relates to the technical field of polymer materials, in particular to a polyethylene composite material reinforced by glass fiber filled with elastomer coated inorganic particles. Background technique [0002] Polyethylene (PE) is a kind of thermoplastic plastic with light weight, non-toxicity, good electrical insulation and chemical resistance. It has high rigidity, excellent molding processability, excellent moisture resistance and chemical stability. Used in packaging, chemical, construction, machinery and food processing fields. However, because polyethylene has the disadvantages of poor impact strength and brittle fracture, it is difficult to meet the performance requirements in some fields. Summary of the invention [0003] The purpose of the present invention is to provide a polyethylene material reinforced by glass fiber filled with elastomer coated inorganic particles with good mechanical strength, high toughness and excellent process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08K13/06C08K9/10C08K9/06C08K3/26C08K3/22C08K3/34C08K7/14C08G18/32
CPCC08L23/06C08G18/3206C08K2201/003C08L2201/08C08L2207/53
Inventor 不公告发明人
Owner QINGDAO WANLI TECH
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