CN103694562B - Automotive upholstery is with exempting from spraying scratch resistance PP composite material and preparation method thereof - Google Patents

Automotive upholstery is with exempting from spraying scratch resistance PP composite material and preparation method thereof Download PDF

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Publication number
CN103694562B
CN103694562B CN201310670823.0A CN201310670823A CN103694562B CN 103694562 B CN103694562 B CN 103694562B CN 201310670823 A CN201310670823 A CN 201310670823A CN 103694562 B CN103694562 B CN 103694562B
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polypropylene
exempting
rev
scratch resistance
composite material
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CN103694562A (en
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郝建鑫
侯智谋
郝源增
任萍
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GUANGZHOU SUPER-DRAGON ENGINEERING PLASTICS Co Ltd
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GUANGZHOU SUPER-DRAGON ENGINEERING PLASTICS Co Ltd
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Abstract

The invention discloses a kind of automotive upholstery with exempting from spraying scratch resistance PP composite material, it is made up of polypropylene, elastomer, Pulvis Talci, compatilizer, metallic pigments, metal pigment surfaces inorganic agent, scraping-resistant agent, antioxidant, light stabilizer, the invention also discloses the aforementioned processing method meeting material, use formula and the preparation method of the present invention, metal effect is good, can effectively reduce spraying current mark.

Description

Automotive upholstery is with exempting from spraying scratch resistance PP composite material and preparation method thereof
Technical field
The invention mainly relates to exempt from the manufacturing technology of spray coating polypropylene composite, be specifically related to a kind of automotive upholstery and use Exempt from spray scratch resistance PP composite material and preparation method thereof, belong to the technical field of modification of polymer composite.
Background technology
" low-carbon environment-friendly, energy-saving and emission-reduction " are one of important issue of 12 planning.For automaker, from setting The meter development phase will consider to use the material of environmental protection, be not only enterprise product upgrading and the needs of technological innovation, and Embody social responsibility of enterprises.For the direction lightweight of development of automobile, comfortableization, safe, material manufacturer actively pushes away The solution made new advances, and exempt from the solution of high-quality and the low cost balance spraying the application Ze Shi automobile main frame maker proposition of resin One of scheme.
In the past, automotive trim ornament materials generally uses means that plastic basis material carries out spraying paint to reach the merit that interior trim is attractive in appearance Energy.Main cause is that incrustation paint is possible not only to protect resin base material, but also can realize the surface such as Gao Guang, dumb light effect Really, and weathering, the function such as scratch-resistant.But spraying coating process also brings along some problems.First it is the complexity of flow process, is molded hair After blank, needing to increase the basic links such as transport, pretreatment, application, transport, part lacquer spraying technique needs priming paint, finish paint, and UV is solid Change the multiple tracks production processes such as paint.Next to that the defect that each product produces is due to the most spray coated thermosetting varniss, it is impossible to easily Stripping, cause finally reclaiming difficulty, pollute environment.It is that car inside gadget uses expendable thermosetting varniss also to full again The requirement of foot ELV decree brings challenge.Finally, make to paint the cost so that whole part and typically double even two Times.
Along with material and the development of mould process, exempt to spray the new trend becoming interior trim application.Chinese invention patent CN102942742A application disclose a kind of have high glaze, metal or pearly-lustre flicker effect exempt from spraying PP material and preparation Method, this patent uses the effect pigment such as metallic aluminium powder and pearl essence, it is not necessary to spraying directly injection can obtain good Gao Guang Pool and pearly-lustre flash, and metal sprays paint effect, possesses good appearance, has saved cost, avoid simultaneously compared with lacquer spraying technique Goods use during depainting problem.Chinese invention patent CN102585365A application disclose one have paint glossy Metal-like exempts from polypropene composition and the preparation method thereof of spraying, and this patent, with the use of flake aluminum and color and luster brightener, makes material Material has that good paint is glossy and metal-like, and its appearance is close with effect of spraying paint.Chinese invention patent CN102516700A application disclose a kind of improve outward appearance exempt from spraying aesthetic resin and preparation method thereof, this patent of invention is first Metallic pigments are prepared as master batch form, and make it have magnetic, the affine of aluminium powder pigment and plastic basis material can be effectively improved Property, alleviate current mark and weld bond that the aesthetic resin containing aluminium powder pigment occurs in injection or extrusion, meanwhile, enhance system The metal effect of part.
These current researchs mainly there is also following deficiency: 1. conventional twin-screw extrusion is complete to metallic pigments microstructure Whole property is destroyed relatively big, affects final metal effect;2. metallic pigments and the resin base compatibility are poor, and difficulties in dispersion causes current mark to be asked Topic is difficult to solve.
Summary of the invention
It is contemplated that solve the problems referred to above to a certain extent, provide at a kind of coml application.
To this end, first goal of the invention of the present invention is that the defect overcoming prior art provides the vapour that a kind of metal effect is good Car inside gadget exempt from spray scratch resistance PP composite material.
Second goal of the invention of the present invention be to provide the automotive upholstery that a kind of metal effect is good exempt from spray scratch resistance The preparation method of PP composite material.
For realizing first goal of the invention of the present invention, the present invention adopts the following technical scheme that, a kind of automotive upholstery is with exempting from Spraying scratch resistance PP composite material, is made up of by mass percentage following components:
The present invention improves the polarity of polypropylene matrix resin by maleic anhydride, metal pigment surfaces processes two means, Improve metallic pigments and the compatibility of matrix resin and the dispersibility in matrix resin, on the one hand decrease metallic pigments Usage amount, reduces cost, on the other hand efficiently solves the injection problem such as current mark, weld bond.
Specifically, described metallic pigments are silver dollar matrix shape metallic aluminium powder.Silver dollar type flake aluminum has rule relatively Laminated structure, the ratio producing direct reflection is high, thus has more preferable metal effect.
Described metallic aluminium powder is silver dollar shape type.
Described metal pigment surfaces inorganic agent is Aluminate.Specifically, described Aluminate is aluminic acid trimethyl.Aluminic acid In trimethyl structure, aluminium element part and metallic aluminium powder have the good compatibility, and trimethyl part then has with acrylic resin The good compatibility, thus improve the compatibility between metallic aluminium powder and polypropylene matrix resin.
Described Pulvis Talci mean diameter is 1-20um.
Described compatilizer is maleic anhydride inoculated polypropylene.
Described elastomer is one or both the mixture in EP rubbers, ethylene-octene copolymer.
Described acrylic resin is HOPP, second the third block copolymerization polypropylene or the mixture of two kinds of resins.
Described scraping-resistant agent is the mixing of one or more in silicone powder, silicone master batch, oleamide, erucyl amide Thing.
For realizing second goal of the invention of the present invention, the present invention adopts the following technical scheme that, one prepares any of the above-described institute State automotive upholstery with exempting from spraying scratch resistance PP composite material, it is characterised in that comprise the following steps:
S1. raw material is weighed by said ratio;
S2. by acrylic resin, elastomer, Pulvis Talci 800-1500 rev/min of lower mixed at high speed 5-10 minute, then Add antioxidant, light stabilizer, scraping-resistant agent, compatilizer in 800-1500 rev/min of lower mixed at high speed 5-10 minute, mixed at high speed The temperature of machine controls, at 55-65 DEG C, to obtain 1# premix material;
S3. by metallic pigments, metal pigment surfaces inorganic agent 200-500 rev/min of lower mixed on low speed 5-10 minute, mixed The temperature of conjunction machine controls, at 45-55 DEG C, to obtain 2# premix material;
S4. 1# premix material being added from twin-screw extrusion owner's spout, melt extrude pelletize, each section of temperature of extruder sets It is set to 200 DEG C, 210 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 210 DEG C, head temperature 220 DEG C, screw rod Rotating speed is 300-600 rev/min;
S5. 2# premix material being added from the side spout of double screw extruder, side spout is arranged on the 4th of extruder Section cylinder, side feeding frequency is 2-10HZ.
The present invention by by metallic pigments premix material side feeding segmentation addition by the way of, reduce screw rod shearing to metal The destructiveness of pigment microstructure, improves service efficiency and the effect of metallic pigments.
The invention has the beneficial effects as follows, (1) present invention improves the polarity of polypropylene matrix resin, metal pigment surfaces processes Two means, improve metallic pigments and the compatibility of matrix resin and the dispersibility in matrix resin, on the one hand decrease The usage amount of metallic pigments, reduces cost, on the other hand efficiently solves the injection problem such as current mark, weld bond.(2) present invention adopts Metallic aluminium powder surface is processed with Aluminate so that it is and by the compatibility between the polypropylene matrix resin of maleic anhydride modified mistake It is greatly improved.In Aluminate structure, aluminium element and metallic aluminium powder have the good compatibility, and ester group structure then has with maleic anhydride There is the good compatibility.(3) present invention by by metallic pigments premix material side feeding segmentation addition by the way of, reduce screw rod Shear the destructiveness to metallic pigments microstructure, improve service efficiency and the effect of metallic pigments.
Detailed description of the invention
Below by embodiment, the present invention is described in detail, but does not limits the invention.
Preparation method is as follows:
The first step, weighs each raw material by weight percent;
Second step, by acrylic resin, elastomer, Pulvis Talci 800-1500 rev/min of lower mixed at high speed 5-10 minute, It is subsequently adding antioxidant, light stabilizer, scraping-resistant agent, compatilizer 800-1500 rev/min of lower mixed at high speed 5-10 minute, at a high speed The temperature of mixer controls, at 55-65 DEG C, to obtain 1# premix material;
3rd step, divides metallic pigments, metal pigment surfaces inorganic agent 200-500 rev/min of lower mixed on low speed 5-10 Clock, the temperature of mixer controls, at 45-55 DEG C, to obtain 2# premix material;
4th step, adds 1# premix material from twin-screw extrusion owner's spout, melt extrudes pelletize, each section of temperature of extruder Degree is set as 200 DEG C, 210 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 210 DEG C, head temperature 220 DEG C, Screw speed is 300-600 rev/min;
5th step, adds 2# premix material from the side spout of double screw extruder, and side spout is arranged on extruder 4th section of cylinder, side feeding frequency is 2-10HZ.
Method made above is applicable to embodiment 1-7, comparative example 2-5.
The preparation method of comparative example 1 is:
The first step, weighs each raw material by weight percent;
Second step, by acrylic resin, elastomer, Pulvis Talci 800-1500 rev/min of lower mixed at high speed 5-10 minute, It is subsequently adding antioxidant, light stabilizer, scraping-resistant agent, compatilizer 800-1500 rev/min of lower mixed at high speed 5-10 minute, at a high speed The temperature of mixer controls, at 55-65 DEG C, to obtain 1# premix material;
3rd step, divides metallic pigments, metal pigment surfaces inorganic agent 200-500 rev/min of lower mixed on low speed 5-10 Clock, the temperature of mixer controls, at 45-55 DEG C, to obtain 2# premix material;
4th step, adds 1# and 2# premix material from twin-screw extrusion owner's spout simultaneously, melt extrudes pelletize, extrusion Each section of temperature of machine is set as 200 DEG C, 210 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 210 DEG C, head temperature Spending 220 DEG C, screw speed is 300-600 rev/min;
The most talcous mean diameter is 1-20um.
GB/T17037 standard injected sample pressed by the model of evaluation result, evaluates the metal effect of model, the current mark order of severity And anti-scratch performance.Metal effect and the current mark order of severity take artificial visual assessment method, and metal effect presses quality degree from 0- 10 points, the best score of metal effect is the highest, selects at least 5 people to evaluate, makes even and divide equally.The current mark order of severity is divided slight, general, tight Weight Three Estate, selects at least 5 people to evaluate.Anti-scratch performance presses GMW14688 standard testing.
As can be seen from the above table, not having compatilizer in embodiment 1, metal effect is general, and current mark is serious;Embodiment 7 The non-surface of metallic pigments processes, and metal effect is general, and current mark is serious;Side feeding manner do not taked by comparative example 1 metallic pigments, gold Belong to poor effect.Comparative example 2,3,4,5 is respectively adopted bisphenol A type epoxy resin, SAN-GMA, calcium stearate, silane coupler pair Metallic aluminium powder Treatment of Metal Surface, metal effect is general, and current mark is serious, and its effect is not so good as at the aluminic acid trimethyl that the present invention uses Reason agent.

Claims (3)

1. automotive upholstery is with exempting from a spraying scratch resistance PP composite material, is made up of by mass percentage following components:
Polypropylene 71.06%
Elastomer POE 10%
Pulvis Talci 10%
Compatilizer 5%
Silver dollar matrix shape metallic aluminium powder 2%
Aluminic acid trimethyl metal conditioner 0.04%
Silicone powder scraping-resistant agent 1.5%
Antioxidant 0.2%
Light stabilizer 0.2%
Wherein, described Pulvis Talci mean diameter is 1-20 μm;
The preparation method of above-mentioned composite is:
S1. raw material is weighed by said ratio;
S2. by polypropylene, elastomer POE, Pulvis Talci 800-1500 rev/min of lower mixed at high speed 5-10 minute, it is subsequently adding Antioxidant, light stabilizer, silicone powder scraping-resistant agent, compatilizer are 800-1500 rev/min of lower mixed at high speed 5-10 minute, the most mixed The temperature of conjunction machine controls, at 55-65 DEG C, to obtain 1# premix material;
S3. silver dollar matrix shape metallic aluminium powder, aluminic acid trimethyl metal conditioner are mixed at 200-500 rev/min of lower low speed Closing 5-10 minute, the temperature of mixer controls, at 45-55 DEG C, to obtain 2# premix material;
S4. 1# premix material being added from twin-screw extrusion owner's spout, melt extrude pelletize, each section of temperature of extruder sets Being 200 DEG C, 210 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 210 DEG C, head temperature 220 DEG C, screw rod turns Speed is 300-600 rev/min;
S5. 2# premix material being added from the side spout of double screw extruder, side spout is arranged on the 4th section of cylinder of extruder Body, side feeding frequency is 2-10Hz.
Automotive upholstery the most according to claim 1 is with exempting from spraying scratch resistance PP composite material, it is characterised in that described Compatilizer be maleic anhydride inoculated polypropylene.
Automotive upholstery the most according to claim 1 is with exempting from spraying scratch resistance PP composite material, it is characterised in that described Polypropylene be HOPP, second the third block copolymerization polypropylene or the mixture of two kinds of resins.
CN201310670823.0A 2013-12-10 Automotive upholstery is with exempting from spraying scratch resistance PP composite material and preparation method thereof Active CN103694562B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101787162A (en) * 2009-11-12 2010-07-28 上海锦湖日丽塑料有限公司 Aesthetical resin capable of eliminating injection-molding weld lines and preparation method thereof
CN102206407A (en) * 2011-04-21 2011-10-05 上海锦湖日丽塑料有限公司 Biodegradable free-spraying aesthetic resin and preparation method thereof
CN102372904A (en) * 2010-08-13 2012-03-14 上海锦湖日丽塑料有限公司 Preparation method for aesthetic resin for improving affinity of aluminum powder pigment
CN102382371A (en) * 2010-12-14 2012-03-21 重庆文理学院 Automobile interior trim part material and preparation method thereof
CN102464857A (en) * 2010-11-15 2012-05-23 上海锦湖日丽塑料有限公司 Extrusion grade aesthetical resin possessing metal color effect and its preparation method
CN102585365A (en) * 2012-02-16 2012-07-18 金发科技股份有限公司 Coating-free polypropylene composition with paint brightness and metal texture and preparation method thereof
CN102627827A (en) * 2012-03-19 2012-08-08 上海锦湖日丽塑料有限公司 Aesthetic resin composition having metal appearance and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101787162A (en) * 2009-11-12 2010-07-28 上海锦湖日丽塑料有限公司 Aesthetical resin capable of eliminating injection-molding weld lines and preparation method thereof
CN102372904A (en) * 2010-08-13 2012-03-14 上海锦湖日丽塑料有限公司 Preparation method for aesthetic resin for improving affinity of aluminum powder pigment
CN102464857A (en) * 2010-11-15 2012-05-23 上海锦湖日丽塑料有限公司 Extrusion grade aesthetical resin possessing metal color effect and its preparation method
CN102382371A (en) * 2010-12-14 2012-03-21 重庆文理学院 Automobile interior trim part material and preparation method thereof
CN102206407A (en) * 2011-04-21 2011-10-05 上海锦湖日丽塑料有限公司 Biodegradable free-spraying aesthetic resin and preparation method thereof
CN102585365A (en) * 2012-02-16 2012-07-18 金发科技股份有限公司 Coating-free polypropylene composition with paint brightness and metal texture and preparation method thereof
CN102627827A (en) * 2012-03-19 2012-08-08 上海锦湖日丽塑料有限公司 Aesthetic resin composition having metal appearance and preparation method thereof

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Effective date of registration: 20151102

Address after: Conghua City Ao town Guangzhou city Guangdong province 510945 Longtan Jubao Industrial Zone

Applicant after: Guangzhou Super-Dragon Engineering plastic Co., Ltd.

Address before: Conghua City Ao town Guangzhou city Guangdong province 510945 Longtan Jubao Industrial Zone

Applicant before: Guangzhou Super-Dragon Engineering plastic Co., Ltd.

Applicant before: Super-Dragon New Material Technology Co., Ltd.

CB02 Change of applicant information

Address after: Conghua City Ao town Guangzhou city Guangdong province 510945 Longtan Jubao Industrial Zone

Applicant after: GUANGZHOU SUPER-DRAGON ENGINEERING PLASTICS CO., LTD.

Address before: Conghua City Ao town Guangzhou city Guangdong province 510945 Longtan Jubao Industrial Zone

Applicant before: Guangzhou Super-Dragon Engineering plastic Co., Ltd.

GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Spraying-free scrape-resistant polypropylene composite material for automobile interior trim parts and preparation method thereof

Effective date of registration: 20190530

Granted publication date: 20161130

Pledgee: Conghua Branch of Guangzhou Bank Co., Ltd.

Pledgor: GUANGZHOU SUPER-DRAGON ENGINEERING PLASTICS CO., LTD.

Registration number: 2019440000196

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Date of cancellation: 20200821

Granted publication date: 20161130

Pledgee: Conghua Branch of Guangzhou Bank Co.,Ltd.

Pledgor: GUANGZHOU SUPER-DRAGON ENGINEERING PLASTICS Co.,Ltd.

Registration number: 2019440000196