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A kind of glass fiber/thermoplastic particle and preparation method thereof

A thermoplastic and glass fiber technology, applied in the field of glass fiber/thermoplastic granule and its preparation, thermoplastic granule and its preparation, can solve the problems of large diameter, poor wear resistance and brittle fiber of centrifugal glass fiber, and achieve excellent performance The effect of mechanical properties, low cost and simple process

Active Publication Date: 2018-10-02
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Centrifugal glass fiber has larger diameter, low strength, brittle fiber and poor wear resistance

Method used

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  • A kind of glass fiber/thermoplastic particle and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0031]A glass fiber / thermoplastic granule, composed of glass fiber, thermoplastic and additives, the granule is rod-shaped, with a size of 5mm, and the volume percentage of fiber in the granule is 45%.

[0032] The additives include: cyclohexanone and tetrahydrofuran dissolving agent, isooctyl trimercaptoacetate antimony stabilizer, glycerol ester plasticizer, N-methylol acrylamide crosslinking agent, polyethylene glycol ester lubricant and tricresyl phosphate flame retardant.

[0033] The present invention also provides a method for preparing glass fiber / thermoplastic particles, which is characterized in that it comprises the following steps:

[0034] (1) Dissolve thermoplastics in cyclohexanone and tetrahydrofuran dissolvers, gradually add isooctyl trimercaptoacetate antimony stabilizer, glyceryl glyceride plasticizer, N-methylolacrylamide crosslinking agent, polyethylene glycol Glycol ester lubricant and tricresyl phosphate flame retardant were uniformly mixed to make a pl...

Embodiment 2

[0042] A glass fiber / thermoplastic granule, composed of glass fiber, thermoplastic and additives, the granule is rod-shaped or spherical, with a size of 7mm, and the volume percentage of fiber in the granule is 40%.

[0043] The additives include: cyclohexanone and tetrahydrofuran dissolving agent, isooctyl trimercaptoacetate antimony stabilizer, glycerol ester plasticizer, N-methylol acrylamide crosslinking agent, polyethylene glycol ester lubricant and tricresyl phosphate flame retardant.

[0044] The present invention also provides a method for preparing glass fiber / thermoplastic particles, which is characterized in that it comprises the following steps:

[0045] (1) Dissolve thermoplastics in cyclohexanone and tetrahydrofuran dissolvers, gradually add isooctyl trimercaptoacetate antimony stabilizer, glyceryl glyceride plasticizer, N-methylolacrylamide crosslinking agent, polyethylene glycol Glycol ester lubricant and tricresyl phosphate flame retardant were evenly mixed t...

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Abstract

The invention relates to glass fiber / thermoplastic plastic granules and a method for preparing the same. The glass fiber / thermoplastic plastic granules comprise glass fibers, thermoplastic plastics and additives and particularly comprise, by weight, 100 parts of the glass fibers, 15-20 parts of the thermoplastic plastics, 20-25 parts of cyclohexanone, 20-25 parts of tetrahydrofuran, 1-5 parts of trithione antimony isooctyl acetate stabilizers, 5-10 parts of epoxy glyceride plasticizers, 1-5 parts of N-hydroxymethyl acrylamide cross-linking agents, 0.1-0.5 part of macrogol ester lubricants and 3-8 parts of tricresyl phosphate flame retardants. The method includes particular steps of melting glass balls; drawing wires; feeding the wires into cotton collecting chambers; uniformly mixing the wires and slurry with one another at outlets to obtain mixtures; feeding the mixtures into curing furnaces along with movement of cotton collecting nets and curing the mixtures at the low temperatures; smashing the mixtures in smashing machines; plasticizing and cutting the mixtures in double-screw extrusion granulators to obtain the glass fiber / thermoplastic plastic granules. The glass fiber / thermoplastic plastic granules and the method have the advantages that the glass fiber / thermoplastic plastic granules prepared by the aid of the method are high in strength, toughness and plasticity, low in cost and easy to process, and technologies for the glass fiber / thermoplastic plastic granules are simple.

Description

technical field [0001] The invention relates to a thermoplastic particle and a preparation method thereof, in particular to a glass fiber / thermoplastic particle and a preparation method thereof, belonging to the field of composite materials. Background technique [0002] Plastic particles, a synthetic polymer compound, also commonly known as plastic or resin, can change shape freely. It is a material made of monomer raw materials by synthesis or condensation reaction polymerization, and is composed of synthetic resins and fillers, plasticizers, stabilizers, lubricants, colorants and other additives. [0003] Plastics are generally divided into two types: thermoplastic and thermosetting. The thermoplastic type means that the material will soften after heating, and will harden after cooling to the shape we need, which can be softened and shaped repeatedly. The thermosetting type will condense into a certain shape after heating, and the internal structure of the molecule will...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L23/12C08L27/06C08L25/06C08L33/12C08K13/04C08K7/14C08K5/20C08K5/523C08K5/1515B29B9/06
CPCB29B9/06C08K2201/003C08L23/06C08L27/06C08L2201/08C08L71/02C08K13/04C08K7/14C08K5/20C08K5/523C08K5/1515
Inventor 陈照峰李艳明吴操鲍舒婷李斌斌王蕾
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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