CN104046006A - High-impact-resistance automobile nylon composite and preparation method thereof - Google Patents

High-impact-resistance automobile nylon composite and preparation method thereof Download PDF

Info

Publication number
CN104046006A
CN104046006A CN201410214164.4A CN201410214164A CN104046006A CN 104046006 A CN104046006 A CN 104046006A CN 201410214164 A CN201410214164 A CN 201410214164A CN 104046006 A CN104046006 A CN 104046006A
Authority
CN
China
Prior art keywords
parts
nylon
kaolin
weight
impact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201410214164.4A
Other languages
Chinese (zh)
Inventor
王玉宝
詹金珠
张如宏
陈士坤
崔伟东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI ANLAN MOULD Co Ltd
Original Assignee
ANHUI ANLAN MOULD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ANHUI ANLAN MOULD Co Ltd filed Critical ANHUI ANLAN MOULD Co Ltd
Priority to CN201410214164.4A priority Critical patent/CN104046006A/en
Publication of CN104046006A publication Critical patent/CN104046006A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a high-impact-resistance automobile nylon composite and a preparation method thereof. The high-impact-resistance automobile nylon composite is prepared from the following raw materials by weight: 40 to 60 parts of nylon 12, 30 to 50 parts of nylon 6, 25 to 35 parts of poly(butyleneadipate-co-terephthalate), 15 to 20 parts of methacryIate-butadiene-styrene copolymer, 18 to 24 parts of spinel powder, 12 to 16 parts of boron mud, 10 to 15 parts of aluminum titanate fiber, 6 to 12 parts of cork powder, 1.5 to 2.5 parts of tetraisopropyl di(dioctylphosphate) titanate, 10 to 15 parts of C5 petroleum resin, 2 to 3 parts of magnesium oxide, 1.5 to 2.5 parts of calcium benzoate, 4 to 8 parts of coal tar pitch, 10 to 15 parts of octodecyl acyl tributyl citrate, 8 to 14 parts of dicyclohexyl phthalate, 2 to 3 parts of basic lead silicate, 1 to 2 parts of barium stearate, 1 to 2 parts of zinc stearate, 15 to 20 parts of modified kaolin and 1.5 to 2.5 parts of an antioxidant 3010. The nylon composite provided by the invention has greatly improved notch impact strength while maintaining high tensile strength and bending strength and has excellent shock resistance.

Description

High impact-resistant vehicle nylon matrix material and preparation method thereof
Technical field
The present invention relates to a kind of high impact-resistant vehicle nylon matrix material and preparation method thereof, belong to nylon material field.
Background technology
In recent decades, automotive industry develops rapidly, the main direction of automotive research be light weight, energy-saving and cost-reducing, reduce discharge and improve safety performance, adopt functional part made of plastic application in automobile more and more extensive.Nylon because intensity is high, heat-resisting, oil resistant, chemical-resistant resistance, self-lubricating, certainly put out, the excellent over-all properties such as antidetonation, noise-proofing, easily processing, recoverable, source abundance, the application on automobile is greatly developed.The shock resistance of single enhancing or tenacity nylon material cannot meet real needs in the market, in order to meet the requirement of using, expands the space of application, and compound High-Impact Material becomes a kind of new research direction.
Summary of the invention
The object of the present invention is to provide a kind of high impact-resistant vehicle nylon matrix material and preparation method thereof, when increasing substantially notched Izod impact strength, still keep higher tensile strength and flexural strength.
For achieving the above object.The technical solution used in the present invention is as follows:
A kind of high impact-resistant vehicle nylon matrix material, raw material by following weight part is made: nylon 1240-60, nylon 630-50, poly-hexane diacid-terephthalic acid-butylene terephthalate 25-35, MBS 15-20, spinel powder 18-24, boron mud 12-16, aluminium titanates fibre 10-15, dust cork 6-12, tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester 1.5-2.5, C5 petroleum resin 10-15, magnesium oxide 2-3, calcium benzoate 1.5-2.5, coal-tar pitch 4-8, Octadecanoyl tributyl citrate 10-15, dicyclohexyl phthalate 8-14, lead silicate white 2-3, barium stearate 1-2, Zinic stearas 1-2, modified kaolin 15-20, oxidation inhibitor 30101.5-2.5,
The preparation method of described modified kaolin is as follows: (1) puts into concentration by kaolin is that 20% hydrochloric acid soln soaks 1-2h, filter, be washed with distilled water to neutrality, dry, 620-680 ℃ of calcining 1-2h, naturally cools to room temperature, pulverize, sieve, add the ultrasonic dispersion of water and make the suspension that concentration is 45-55%, stand-by, (2) ratio of 1:1-2 is dissolved in 2-3 by butyl (tetra) titanate, tetraethoxy and doubly measures dehydrated alcohol in molar ratio, by concentration, is that 15% glacial acetic acid solution regulates PH to 4-5, and magnetic agitation 1-2h, obtains colloidal solution, (3) suspension that 1:1.5-2 makes step (1) in mass ratio mixes with the colloidal solution that step (2) makes, the nanometer silicon carbide that adds again mixed solution weight 3-5%, the zinc sulfate of 2-4%, the Arlacel-80 heating in water bath of 1-2% is to 50-60 ℃, stir 1-2h, filter, dry, 650-700 ℃ of calcining 1-2h, naturally cool to room temperature, add the glycidyl methacrylate that is equivalent to kaolin weight 3-5%, the stearic acid of 2-3% and the N-of 1-2% (β-aminoethyl)-γ-aminopropyltrimethoxysilane, 2000-3000rpm high-speed stirring 10-15min, stand-by, (4) ratio of 1:3-4 takes after step (3) is processed by weight kaolin and solid content are 45% styrene-butadiene latex, mix, then add be equivalent to the vinylformic acid of styrene-butadiene emulsion weight 10-15%, the methyl methacrylate of the vinyl acetate of 5-10%, 3-6%, the sodium lauryl sulphate of the emulsifier op-10 of 2-3%, 1-2% and the Potassium Persulphate of 1-2%, heating in water bath is to 70-80 ℃, stir 2-3h, standing 20-30min, filters, and dries.
The preparation method of high impact-resistant vehicle nylon matrix material of the present invention, comprises the following steps:
(1) nylon 12, nylon 6, tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester, magnesium oxide, calcium benzoate, coal-tar pitch, Octadecanoyl tributyl citrate, aluminium titanates fibre, spinel powder, C5 petroleum resin are added in mill, at 70-80 ℃ of mixing 5-7min, then add remaining raw material, mixing 3-4min at 95-105 ℃, is cooled to 40 ℃ of dischargings when following;
(2) material mixing is dropped in twin screw extruder; Ge district processing temperature is arranged between 260-280 ℃, engine speed blend under 150-250r/min, extrude; cooling by dicing machine pelletizing, pellet again drying, screening, packing gets product.
Beneficial effect of the present invention:
Nylon composite materials of the present invention is when increasing substantially notched Izod impact strength, still keep higher tensile strength and flexural strength, there is excellent shock resistance, and there is good wear resistance, thermotolerance, ageing-resistant and chemical resistance, the alternative metallic substance for structural partsof automobiles, significantly reduce material cost and processing charges, medical having a extensive future.
Embodiment
A kind of high impact-resistant vehicle nylon matrix material, raw material by following weight part is made: nylon 1250, nylon 640, poly-hexane diacid-terephthalic acid-butylene terephthalate 30, MBS 18, spinel powder 22, boron mud 14, aluminium titanates fibre 12, dust cork 8, tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester 2, C5 petroleum resin 12, magnesium oxide 2.5, calcium benzoate 2, coal-tar pitch 6, Octadecanoyl tributyl citrate 12, dicyclohexyl phthalate 12, lead silicate white 2.5, barium stearate 1.5, Zinic stearas 2, modified kaolin 18, oxidation inhibitor 30102,
The preparation method of described modified kaolin is as follows: (1) puts into concentration by kaolin is that 20% hydrochloric acid soln soaks 1h, filter, be washed with distilled water to neutrality, dry, 680 ℃ of calcining 1h, naturally cool to room temperature, pulverize, sieve, adding the ultrasonic dispersion of water, to make concentration be 55% suspension, stand-by; (2) ratio of 1:1.5 is dissolved in 2.5 times of amount dehydrated alcohols by butyl (tetra) titanate, tetraethoxy in molar ratio, by concentration, is that 15% glacial acetic acid solution regulates PH to 4.5, and magnetic agitation 2h, obtains colloidal solution; (3) suspension that 1:2 makes step (1) in mass ratio mixes with the colloidal solution that step (2) makes, add again the nanometer silicon carbide of mixed solution weight 4%, 3% zinc sulfate, 1.5% Arlacel-80 heating in water bath to 55 ℃, stir 1h, filter, dry, 650 ℃ of calcining 2h, naturally cool to room temperature, add the glycidyl methacrylate, 2% stearic acid and 1.5% N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane that are equivalent to kaolin weight 4%, 3000rpm high-speed stirring 10min, stand-by; (4) ratio of 1:3.5 takes after step (3) is processed by weight kaolin and solid content are 45% styrene-butadiene latex, mix, then add vinylformic acid, 10% vinyl acetate, 4% methyl methacrylate, 2.5% the emulsifier op-10,1.5% sodium lauryl sulphate and 1% the Potassium Persulphate that are equivalent to styrene-butadiene emulsion weight 10%, heating in water bath to 75 ℃, stir 2h, standing 30min, filters, and dries.
The preparation method of high impact-resistant vehicle nylon matrix material, comprises the following steps:
(1) nylon 12, nylon 6, tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester, magnesium oxide, calcium benzoate, coal-tar pitch, Octadecanoyl tributyl citrate, aluminium titanates fibre, spinel powder, C5 petroleum resin are added in mill, at 70-80 ℃ of mixing 5-7min, then add remaining raw material, mixing 3-4min at 95-105 ℃, is cooled to 40 ℃ of dischargings when following;
(2) material mixing is dropped in twin screw extruder; Ge district processing temperature is arranged between 260-280 ℃, engine speed blend under 150-250r/min, extrude; cooling by dicing machine pelletizing, pellet again drying, screening, packing gets product.
The Performance Detection of the nylon composite materials that the present embodiment makes is as shown in the table:
Project Testing standard Test result
Tensile strength (MPa) TSO527 139
Elongation (%) TSO527 183
Flexural strength (MPa) TSO178 128
Modulus in flexure (MPa) TSO178 4250
Notched Izod impact strength (23 ℃, KJ/ ㎡) TSO180 104
Notched Izod impact strength (40 ℃, KJ/ ㎡) TSO180 51
Heat-drawn wire (1.82MPa, ℃) TSO75 186

Claims (2)

1. a high impact-resistant vehicle nylon matrix material, it is characterized in that, raw material by following weight part is made: nylon 12 40-60, nylon 6 30-50, poly-hexane diacid-terephthalic acid-butylene terephthalate 25-35, MBS 15-20, spinel powder 18-24, boron mud 12-16, aluminium titanates fibre 10-15, dust cork 6-12, tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester 1.5-2.5, C5 petroleum resin 10-15, magnesium oxide 2-3, calcium benzoate 1.5-2.5, coal-tar pitch 4-8, Octadecanoyl tributyl citrate 10-15, dicyclohexyl phthalate 8-14, lead silicate white 2-3, barium stearate 1-2, Zinic stearas 1-2, modified kaolin 15-20, oxidation inhibitor 3010 1.5-2.5,
The preparation method of described modified kaolin is as follows: (1) puts into concentration by kaolin is that 20% hydrochloric acid soln soaks 1-2h, filter, be washed with distilled water to neutrality, dry, 620-680 ℃ of calcining 1-2h, naturally cools to room temperature, pulverize, sieve, add the ultrasonic dispersion of water and make the suspension that concentration is 45-55%, stand-by, (2) ratio of 1:1-2 is dissolved in 2-3 by butyl (tetra) titanate, tetraethoxy and doubly measures dehydrated alcohol in molar ratio, by concentration, is that 15% glacial acetic acid solution regulates PH to 4-5, and magnetic agitation 1-2h, obtains colloidal solution, (3) suspension that 1:1.5-2 makes step (1) in mass ratio mixes with the colloidal solution that step (2) makes, the nanometer silicon carbide that adds again mixed solution weight 3-5%, the zinc sulfate of 2-4%, the Arlacel-80 heating in water bath of 1-2% is to 50-60 ℃, stir 1-2h, filter, dry, 650-700 ℃ of calcining 1-2h, naturally cool to room temperature, add the glycidyl methacrylate that is equivalent to kaolin weight 3-5%, the stearic acid of 2-3% and the N-of 1-2% (β-aminoethyl)-γ-aminopropyltrimethoxysilane, 2000-3000rpm high-speed stirring 10-15min, stand-by, (4) ratio of 1:3-4 takes after step (3) is processed by weight kaolin and solid content are 45% styrene-butadiene latex, mix, then add be equivalent to the vinylformic acid of styrene-butadiene emulsion weight 10-15%, the methyl methacrylate of the vinyl acetate of 5-10%, 3-6%, the sodium lauryl sulphate of the emulsifier op-10 of 2-3%, 1-2% and the Potassium Persulphate of 1-2%, heating in water bath is to 70-80 ℃, stir 2-3h, standing 20-30min, filters, and dries.
2. the preparation method of high impact-resistant vehicle nylon matrix material as claimed in claim 1, is characterized in that comprising the following steps:
(1) nylon 12, nylon 6, tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester, magnesium oxide, calcium benzoate, coal-tar pitch, Octadecanoyl tributyl citrate, aluminium titanates fibre, spinel powder, C5 petroleum resin are added in mill, at 70-80 ℃ of mixing 5-7min, then add remaining raw material, mixing 3-4min at 95-105 ℃, is cooled to 40 ℃ of dischargings when following;
(2) material mixing is dropped in twin screw extruder; Ge district processing temperature is arranged between 260-280 ℃, engine speed blend under 150-250r/min, extrude; cooling by dicing machine pelletizing, pellet again drying, screening, packing gets product.
CN201410214164.4A 2014-05-19 2014-05-19 High-impact-resistance automobile nylon composite and preparation method thereof Withdrawn CN104046006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410214164.4A CN104046006A (en) 2014-05-19 2014-05-19 High-impact-resistance automobile nylon composite and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410214164.4A CN104046006A (en) 2014-05-19 2014-05-19 High-impact-resistance automobile nylon composite and preparation method thereof

Publications (1)

Publication Number Publication Date
CN104046006A true CN104046006A (en) 2014-09-17

Family

ID=51499423

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410214164.4A Withdrawn CN104046006A (en) 2014-05-19 2014-05-19 High-impact-resistance automobile nylon composite and preparation method thereof

Country Status (1)

Country Link
CN (1) CN104046006A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106147212A (en) * 2015-04-01 2016-11-23 合肥杰事杰新材料股份有限公司 A kind of PA6 compositions and preparation method thereof
CN106280383A (en) * 2016-08-18 2017-01-04 陈雅利 A kind of electromagnetic protection Special flexible material
CN107365492A (en) * 2017-08-29 2017-11-21 无为县大江橡塑制品有限公司 A kind of automobile plastic shock absorber part preparation method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102702733A (en) * 2012-06-15 2012-10-03 东莞市意普万尼龙科技股份有限公司 Composite material special for blow molding of reinforced nylon air inlet pipe and preparation method thereof
CN102993701A (en) * 2012-10-19 2013-03-27 芜湖市鑫海橡塑制品有限责任公司 Modified nylon polyamide 6 (PA6) material for automobile oil pipe and preparation method of modified nylon PA6 material
CN103665842A (en) * 2013-11-18 2014-03-26 安徽宜万丰电器有限公司 Ultraviolet-proof modified nylon 6 material for automobile plastic parts

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102702733A (en) * 2012-06-15 2012-10-03 东莞市意普万尼龙科技股份有限公司 Composite material special for blow molding of reinforced nylon air inlet pipe and preparation method thereof
CN102993701A (en) * 2012-10-19 2013-03-27 芜湖市鑫海橡塑制品有限责任公司 Modified nylon polyamide 6 (PA6) material for automobile oil pipe and preparation method of modified nylon PA6 material
CN103665842A (en) * 2013-11-18 2014-03-26 安徽宜万丰电器有限公司 Ultraviolet-proof modified nylon 6 material for automobile plastic parts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106147212A (en) * 2015-04-01 2016-11-23 合肥杰事杰新材料股份有限公司 A kind of PA6 compositions and preparation method thereof
CN106280383A (en) * 2016-08-18 2017-01-04 陈雅利 A kind of electromagnetic protection Special flexible material
CN107365492A (en) * 2017-08-29 2017-11-21 无为县大江橡塑制品有限公司 A kind of automobile plastic shock absorber part preparation method

Similar Documents

Publication Publication Date Title
CN104046013A (en) Fatigue-resistant automobile fender nylon composite and preparation method thereof
CN104046003A (en) Low-temperature-resistant automobile nylon composite and preparation method thereof
CN1239602C (en) Resin composition for facing material
CN104151706A (en) Polypropylene composite material and preparation method thereof
CN104046012A (en) High-strength wear-resistant nylon 66 composite for automobile clutch release bearing and preparation method thereof
CN104046006A (en) High-impact-resistance automobile nylon composite and preparation method thereof
CN109021386A (en) A kind of corrosion proof cable material and preparation method thereof
US20160207835A1 (en) Plastic stone composite
US10954371B2 (en) Polymer composition comprising inorganic compound and polymeric impact modifier and a process for preparing the same
CN104046011A (en) Ageing-resistant nylon composite for automobile engine cylinder cover and preparation method thereof
CN104046014A (en) Halogen-free flame-retardant automobile nylon composite and preparation method thereof
CN103788445A (en) High-molecular weight polyethylene composition
KR20140033831A (en) Acrylate based impact modifier and environment-friendly polylactic acid resin composition comprising thereof
KR20020033632A (en) Vinyl chloride resin composition
CN104046004A (en) Chemical-attack-resistant nylon composite for automobile water chamber and preparation method thereof
CN103709684A (en) High impact thermoplastic alloy for electronic and electric components and preparation method thereof
CN107459728A (en) A kind of light-accumulating and luminescent type polyvinyl chloride extruding composition and preparation method thereof
CN104046005A (en) Oil-resistant nylon 12 composite for automobile oil pipe and preparation method thereof
CN104151819A (en) Creep-resisting nylon 46/thermoplastic polyester elastomer composite material for automobiles and preparation method thereof
JP2008063423A (en) Polyvinyl chloride resin composition
CN106188952B (en) A kind of PVC additives for process and preparation method thereof
US11312854B2 (en) Polymer composition, its process of preparation and its use
CN104046015A (en) Heat-resistant nylon 46 composite for automobile engine air inlet pipe and preparation method thereof
CN102993564B (en) Flame retardant material and preparation method thereof and automobile engine trim cover
CN112280298A (en) Preparation method of high-impact polyvinyl alcohol/polyetherimide composite material

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20140917