CN106398085A - Scratching-resistant halogen-free flame-retardant TPE injection molding material and preparation method thereof - Google Patents

Scratching-resistant halogen-free flame-retardant TPE injection molding material and preparation method thereof Download PDF

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Publication number
CN106398085A
CN106398085A CN201610813923.8A CN201610813923A CN106398085A CN 106398085 A CN106398085 A CN 106398085A CN 201610813923 A CN201610813923 A CN 201610813923A CN 106398085 A CN106398085 A CN 106398085A
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China
Prior art keywords
weight
halogen
injection molding
free flameproof
tpe injection
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Pending
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CN201610813923.8A
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Chinese (zh)
Inventor
田建军
肖崇
刘盛昌
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Win Large Science And Technology (jiangxi) Co Ltd
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Win Large Science And Technology (jiangxi) Co Ltd
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Priority to CN201610813923.8A priority Critical patent/CN106398085A/en
Publication of CN106398085A publication Critical patent/CN106398085A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • C08L53/025Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/22Halogen free composition
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention provides a scratching-resistant halogen-free flame-retardant TPE injection molding material and a preparation method thereof. The material comprises hydrogenated styrene-butadiene-styrene, polypropylene, halogen-free flame-retardant agent and plasticizer and also contains an anti-scratching agent, stabilizing agent, lubricant and the like. The raw materials are mixed and granulated in a proper weight proportion. The preparation technology includes the following steps that the raw materials are stirred and mixed for 15-20 min in a stirring machine and then extruded by dual screws, and drawing, water cooling, air drying, palletizing and packaging are conducted. The injection molding material prepared through the formula and the method has the advantages of being resistant to scratching, stable in quality, high in production efficiency and the like.

Description

Scratch-resistant halogen-free flameproof TPE injection molding material and preparation method thereof
Technical field
The present invention relates to technical field of polymer materials, more particularly, to a kind of scratch-resistant halogen-free flameproof TPE injection molding material and its Preparation method.
Background technology
Halogen-free flameproof TPE now(Thermoplastic Elastomer, thermoplastic elastomer (TPE))Add in the preparation of injection molding material Add the composition of a large amount of halogen-free flame retardants, greatly reduce the scratch resistance of material so that product is easy during processing and use Produce scratch bad, limit development and the use of halogen-free flameproof TPE.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of scratch-resistant halogen-free flameproof TPE injection molding material and preparation method thereof.
For solving above-mentioned technical problem, the purpose of the present invention is achieved through the following technical solutions:
A kind of scratch-resistant halogen-free flameproof TPE injection molding material, the raw material that it comprises following weight proportion is made:Hydrogenated styrene-fourth two Alkene-styrene 25 weight portion;Plasticizer 15-25 weight portion;Polypropylene 15-25 weight portion;Halogen-free flame retardants 32-40 weight portion; Scratch resistance liniment 8-12 weight portion, stabilization agent 0.6-1.0 weight portion;Lubricant 1.5-2.5 weight portion.
Wherein, described hydrogenated styrene-butadiene-styrene is the pure resin in 80000-150000 for the weight average molecular weight Powder.
Wherein, described plasticizer is white oil between 16-250mm/s for the kinematic viscosity.
Wherein, described polypropylene is more than 25 copolymerized type propene polymer for melt index.
Wherein, described fire retardant is the mixture of diethyl hypophosphites, phosphate PX-200 and zinc oxide.
Wherein, described stabilization agent is the mixture of antioxidant 1098 and antioxidant 626.
Wherein, described lubricant is the mixture of silicone powder and erucyl amide.
Wherein, described scratch resistance liniment is methylstyrene oligomers, ceramic fine bead and PP grafted maleic anhydride polymer Mixture.
A kind of preparation method of scratch-resistant halogen-free flameproof TPE injection molding material, it comprises the following steps:
A. weigh above-mentioned various raw material by weight ratio;
B. the mixture preparing is put in the agitated kettle of 300L, mixed on low speed 15-20 minute in agitated kettle;
C. by the raw material mixing discharge in the dual-screw-stem machine of a diameter of 65mm extrusion plasticizing, extrusion temperature be 180-210oC; And
D. the good sizing material of extrusion plasticizing is passed through the water cooled tie rod of twin-screw eye mould, air-cooled, pelletizing and packing.
The present invention can effectively improve the scratch resistance of Halogen TPE injection molding material, can ensure the resistance to of product in a long time Scraping effect, the present invention adopt raw material be environment-protecting asepsis raw material, can 100% recycling, be conducive to improve production efficiency and Reduce production cost.
Specific embodiment
The preparation method of the fire-retardant TPE injection molding material of scratch-resistant halogen of the present invention, comprises the following steps:
A. various raw materials are weighed by the one of described weight proportion in embodiment 1-3 and comparative example 1;
B. the mixture preparing is put in the agitated kettle of 300L, mixed on low speed 15-20 minute in mixer;
C. by the raw material mixing discharge in the dual-screw-stem machine of a diameter of 65mm extrusion plasticizing, extrusion temperature be 180- 210oC;And
D. the good sizing material of extrusion plasticizing is passed through the water cooled tie rod of twin-screw eye mould, air-cooled, pelletizing and packing.
For ease of further understanding to the present invention, describe the present invention in conjunction with specific embodiment:
In an embodiment, hydrogenated styrene-butadiene-styrene is pure resin between 80000-150000 for the weight average molecular weight Powder, plasticizer is white oil between 16-250mm/s for the kinematic viscosity, and polypropylene is more than 25 copoly type poly- third for melt index Alkene, fire retardant is the mixture of diethyl hypophosphites, phosphate PX-200 and zinc oxide, and stabilization agent is antioxidant 1098 He The mixture of antioxidant 626, lubricant is the mixture of silicone powder and erucyl amide, and scratch resistance liniment is that methyl styrene is oligomeric The mixture of thing, ceramic fine bead and PP grafted maleic anhydride polymer.
Embodiment 1:
By hydrogenated styrene-butadiene-styrene 25 weight portion, plasticizer 25 weight portion, polypropylene 15 weight portion, halogen-free flameproof Agent 40 weight portion, scratch resistance liniment 12 weight portion, stabilization agent 0.6 weight portion, lubricant 2.5 weight portion, by above material in stirring Mixed on low speed 20 minutes in machine, are discharged to extrusion plasticizing in the dual-screw-stem machine of a diameter of 65mm, and extrusion processing temperature is 180- 210oC.
Embodiment 2:
By hydrogenated styrene-butadiene-styrene 25 weight portion, plasticizer 20 weight portion, polypropylene 20 weight portion, halogen-free flameproof Agent 36 weight portion, scratch resistance liniment 10 weight portion, stabilization agent 0.8 weight portion, lubricant 2.0 weight portion, by above material in stirring Mixed on low speed 20 minutes in machine, are discharged to extrusion plasticizing in the dual-screw-stem machine of a diameter of 65mm, and extrusion processing temperature is 180- 210oC.
Embodiment 3:
By hydrogenated styrene-butadiene-styrene 25 weight portion, plasticizer 15 weight portion, polipropene 25 weight portion, halogen-free flameproof Agent 32 weight portion, scratch resistance liniment 8 weight portion, stabilization agent 1.0 weight portion, lubricant 1.5 weight portion, by above material in mixer Middle mixed on low speed 20 minutes, is discharged to extrusion plasticizing in the dual-screw-stem machine of a diameter of 65mm, and extrusion processing temperature is 180- 210oC.
Comparative example 1:
By hydrogenated styrene-butadiene-styrene 25 weight portion, plasticizer 20 weight portion, polypropylene 20 weight portion, halogen-free flameproof Agent 36 weight portion, scratch resistance liniment 0 weight portion, stabilization agent 1.0 weight portion, lubricant 2.0 weight portion, by above material in mixer Middle mixed on low speed 20 minutes, is discharged to extrusion plasticizing in the dual-screw-stem machine of a diameter of 65mm, and extrusion processing temperature is 180- 210oC.
Performance test:
Hardness performance is according to ASTM 2240 (American Society for Testing and Materials, U.S. material With test association) standard testing;Tensile strength and elongation at break properties are according to UL758 and UL1581 standard testing;Anti-flammability Can be according to UL94V-0 standard testing;Melt index properties are according to ASTM D1238 standard testing;Scratch-resistant grade:According to antifriction Wipe color fastness standard GB/T 3920-2008 to evaluate.
First halogen-free flameproof TPE material is molded into the square plate of 5mm × 50mm × 140mm, after placing 24 hours, then adopts Unlubricated friction wiper method carries out scraping experiment, and friction head using circular friction head and coats one layer of cotton friction cloth, is applied downwards Pressure position 9 ± 0.2N, swipes after certain number of times, is evaluated with Quadratic Finite Element microscope other side's plate surface cut.According to scraping journey The difference of degree, is divided into Pyatyi the scratch-resistant grade of halogen-free flameproof TPE material.Numeral is bigger, and cut is slighter, represents scratch-resistant etc. Level is better.
The formula (weight portion) of embodiment 1-3 and comparative example 1 and material performance join following form:
Compound material title Embodiment 1 Embodiment 2 Embodiment 3 Comparative example 1
Hydrogenated styrene-butadiene-styrene 25 25 25 25
White oil 25 20 15 20
Polypropylene 15 20 25 20
Halogen-free flame retardants 40 36 32 36
Scratch resistance liniment 12 10 8 -
Stabilization agent 0.6 0.8 1.0 1.0
Lubricant 2.5 2.0 1.5 2.0
Tensile strength (Mpa) 6.5 8.3 10.2 7.9
Elongation at break (%) 286 326 352 310
Hardness shore (A) 75 85 93 82
Melt index(230oC, 5kg) 26 31 28 24
UL94V-0(3.2mm) Pass through Pass through Pass through Pass through
Product prilling temperature(oC) 180-210 180-210 180-210 180-210
Scratch-resistant grade 5 grades 5 grades 5 grades 3 grades
Above detailed Jie is carried out to a kind of scratch-resistant halogen-free flameproof TPE injection molding material provided by the present invention and preparation method thereof Continue, specific case used herein is set forth to the principle of the present invention and embodiment, the explanation of above example is only It is to be used to help understand the method for the present invention and its core concept;Simultaneously for the those skilled in the art in field of the present invention, foundation The thought of the present invention, in place of all can having change in specific embodiments and applications, in sum, this specification content is not It is interpreted as limitation of the present invention.

Claims (9)

1. a kind of scratch-resistant halogen-free flameproof TPE injection molding material, the raw material that it comprises following weight proportion is made:Hydrogenated styrene-fourth Styrene 25 weight portion;Plasticizer 15-25 weight portion;Polypropylene 15-25 weight portion;Halogen-free flame retardants 32-40 weight Part;Scratch resistance liniment 8-12 weight portion, stabilization agent 0.6-1.0 weight portion;Lubricant 1.5-2.5 weight portion.
2. scratch-resistant halogen-free flameproof TPE injection molding material according to claim 1 it is characterised in that:Described hydrogenated styrene-fourth Styrene is the pure resin powder in 80000-150000 for the weight average molecular weight.
3. halogen-free flameproof TPE injection molding material according to claim 1 it is characterised in that:Described plasticizer exists for kinematic viscosity White oil between 16-250mm/s.
4. halogen-free flameproof TPE injection molding material according to claim 1 it is characterised in that:Described polypropylene is that melt index is big In 25 copolymerized type propene polymer.
5. halogen-free flameproof TPE injection molding material according to claim 1 it is characterised in that:Described fire retardant is diethyl time phosphorus The mixture of hydrochlorate, phosphate PX-200 and zinc oxide.
6. halogen-free flameproof TPE injection molding material according to claim 1 it is characterised in that:Described stabilization agent is antioxidant 1098 Mixture with antioxidant 626.
7. halogen-free flameproof TPE injection molding material according to claim 1 it is characterised in that:Described lubricant is silicone powder and mustard The mixture of sour acid amides.
8. halogen-free flameproof TPE injection molding material according to claim 1 it is characterised in that:Described scratch resistance liniment is methylbenzene second The mixture of alkene oligomer, ceramic fine bead and PP grafted maleic anhydride polymer.
9. a kind of preparation method of scratch-resistant halogen-free flameproof TPE injection molding material, it comprises the steps:
a:Weigh the raw material as described in any one in 1-8 by weight ratio;
b:The mixture preparing is put in the agitated kettle of 300L, mixed on low speed 15-20 minute in agitated kettle;
c:By the raw material mixing discharge in the dual-screw-stem machine of a diameter of 65mm extrusion plasticizing, extrusion temperature be 180-210 DEG C; And
d:The good sizing material of extrusion plasticizing is passed through twin-screw eye mould through tie rod water-cooled, air-cooled, pelletizing and packing.
CN201610813923.8A 2016-09-09 2016-09-09 Scratching-resistant halogen-free flame-retardant TPE injection molding material and preparation method thereof Pending CN106398085A (en)

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Cited By (4)

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CN106893245A (en) * 2017-04-10 2017-06-27 佛山市南海区巨塑科技有限公司 TPE halogen-free flameproofs sealing billot and preparation method thereof
CN107556688A (en) * 2017-10-24 2018-01-09 惠州市元塑高分子材料有限公司 A kind of Halogen, scratch resistance, wear-resisting, flame-proof wire insulating materials
CN108795065A (en) * 2018-06-12 2018-11-13 安徽万朗磁塑股份有限公司 One kind being used for dish-washing machine thermoplastic elastomer (TPE) pellet and preparation method
CN109851976A (en) * 2019-01-25 2019-06-07 江西博硕电子有限公司 Modified TPE fire-resistant cable material of a kind of Halogen and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106893245A (en) * 2017-04-10 2017-06-27 佛山市南海区巨塑科技有限公司 TPE halogen-free flameproofs sealing billot and preparation method thereof
CN107556688A (en) * 2017-10-24 2018-01-09 惠州市元塑高分子材料有限公司 A kind of Halogen, scratch resistance, wear-resisting, flame-proof wire insulating materials
CN108795065A (en) * 2018-06-12 2018-11-13 安徽万朗磁塑股份有限公司 One kind being used for dish-washing machine thermoplastic elastomer (TPE) pellet and preparation method
CN109851976A (en) * 2019-01-25 2019-06-07 江西博硕电子有限公司 Modified TPE fire-resistant cable material of a kind of Halogen and preparation method thereof
CN109851976B (en) * 2019-01-25 2021-10-12 江西博硕电子有限公司 Halogen-free modified TPE flame-retardant cable material and preparation method thereof

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Application publication date: 20170215