CN101597408B - Composite material capable of replacing ABS and preparation method thereof - Google Patents
Composite material capable of replacing ABS and preparation method thereof Download PDFInfo
- Publication number
- CN101597408B CN101597408B CN2009101487875A CN200910148787A CN101597408B CN 101597408 B CN101597408 B CN 101597408B CN 2009101487875 A CN2009101487875 A CN 2009101487875A CN 200910148787 A CN200910148787 A CN 200910148787A CN 101597408 B CN101597408 B CN 101597408B
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- agent
- coupling agent
- wax
- nanometer
- surfactant
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- 239000002131 composite material Substances 0.000 title abstract description 8
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 11
- 239000004094 surface-active agent Substances 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 239000007822 coupling agent Substances 0.000 claims description 19
- 239000011159 matrix material Substances 0.000 claims description 19
- 239000001993 wax Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 10
- 238000005728 strengthening Methods 0.000 claims description 10
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 150000004645 aluminates Chemical class 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000005453 pelletization Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- AWFPGKLDLMAPMK-UHFFFAOYSA-N dimethylaminosilicon Chemical compound CN(C)[Si] AWFPGKLDLMAPMK-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 229920006351 engineering plastic Polymers 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 1
- 239000012744 reinforcing agent Substances 0.000 abstract 1
- 239000003351 stiffener Substances 0.000 abstract 1
- 239000012745 toughening agent Substances 0.000 abstract 1
- 238000009775 high-speed stirring Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002193 fatty amides Chemical class 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C2948/92704—Temperature
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a composite material capable of replacing ABS and a preparation method thereof. The composite material comprises the following components: a stiffening agent, a toughening agent, a reinforcing agent, a surfactant and a processing aid. The composite material has low cost, which is equivalent to the price of general plastic PP, PE, PS and the like, and the price is only 70 percent of that of ABS engineering plastic. Through detection, the density, dimensional stability, surface brightness and various mechanical properties of the composite material are basically equivalent to those of ABS engineering plastics, and the composite material can completely replace ABS to be applied to the fields of household appliances, electric appliances, children toy products and the like.
Description
Technical field
The present invention relates to a kind of plastics, relate in particular to the matrix material of a kind of alternative ABS, the invention still further relates to the preparation method of this matrix material, belong to the engineering plastics field.
Background technology
ABS is a kind of engineering plastics with extensive use, is to be raw material with vinylbenzene, divinyl and three kinds of monomers of vinyl cyanide, through the chemical copolymerization prepared in reaction.Because three kinds of monomers have different characteristic separately; Make Acrylonitrile Butadiene have three kinds of not available excellent properties of monomeric homopolymer; Collect good rigidity, toughness, dimensional stability; Surface-brightening and moderate density are that the general general reality (PP.PE.PS.PVC) of moulding is incomparable.Just, be widely used in various household electrical appliances like electricrefrigerator, washing machine, air conditioning machinery, televisor and case of computer, fields such as various electrical equipment and toy for children because ABS has premium properties like this.The ABS market demand is very big, and supply falls short of demand, but its price is 1.5 times of the general-purpose plastics average price, so press for the suitable low price with ABS of a kind of performance in the industry, can substitute the novel high polymer material of ABS.
Summary of the invention
The present invention's technical problem at first to be solved is the deficiency that overcomes prior art; The matrix material of a kind of cheap alternative ABS is provided; The density of this matrix material, dimensional stability, surface brightness and various mechanical property and ABS are basic identical, and complete alternative ABS is applied in household electrical appliances, electrical equipment and the toy for children goods;
The present invention's technical problem at first to be solved realizes through following technical scheme:
The matrix material of a kind of alternative ABS comprises following each component composition: increase firm agent, toughner, strengthening agent, surfactant and processing aid;
Preferably, the weight part of each component is: increase firm agent 50-70 part, toughner 2-10 part, strengthening agent 10-25 part, surfactant 0.5-2 part, processing aid 1-5 part;
Preferred, the weight part of each component is: increase 57 parts of firm agent, 8 parts of toughner, 23 parts of strengthening agents, 1 part of surfactant, 1.7 parts of processing aids;
Described preferably one or more mixtures formed by any part by weight in PP (Vestolen PP 7052), PC (polycarbonate), PS (PS), PA (polymeric amide), AS (acrylonitritrile-styrene resin) or PMMA (polymethylmethacrylate) of firm agent that increase.
Described toughner is one or more mixtures formed by any part by weight in EVA (ethene-vinyl acetate copolymer), PE (Vilaterm), POE (ethylene-octene copolymer) or K glue (styrene-butadiene copolymer) preferably.
Described strengthening agent is preferably from nanometer CaCO
3, nano-TiO
2, nanometer SiO
2Or nanometer BaSO
4In one or more mixtures of forming by any part by weight.
Described surfactant is the mixture formed by any part by weight of one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent, rare-earth coupling agent or polymer coupler preferably.
Described processing aid is preferably from Triple Pressed Stearic Acid, stearate, EVA wax, PP wax, PE wax, solid paraffin, fatty amide or gather one or more mixtures formed by any part by weight in the dimethylamino silane.
Another technical problem to be solved by this invention provides a kind of method for preparing above-mentioned matrix material;
A kind of method for preparing above-mentioned matrix material may further comprise the steps:
(1) strengthening agent and surfactant are put into ball mill or impeller together, under 90-120 ℃ of temperature, grind or stir, obtain mixture 1;
(2) adding increases firm agent in mixture 1, and toughner and processing aid continue to grind or stir under 120-130 ℃ of temperature,, promptly get in 170～190 ℃ of following extruding pelletizations with parallel double-screw extruder.
In the aforesaid method, the time of grinding described in the step (1) or stirring is preferably 20-30 minute;
Mixing speed described in step (1) or the step (2) is preferably 4000-6000 rev/min, more preferably 5000 rev/mins.
Matrix material of the present invention is cheap, and is suitable with the price of general-purpose plastics PP.PE.PS etc., and its price is 70% of ABS.Through detecting, the density of composite engineering plastics of the present invention, dimensional stability, surface brightness and various mechanical property and ABS are suitable basically, and complete alternative ABS is applied to fields such as household electrical appliances, electrical equipment and toy for children goods.
Embodiment
Further describe the present invention below in conjunction with specific embodiment, advantage of the present invention and characteristics will be more clear along with description.But these embodiment only are exemplary, scope of the present invention are not constituted any restriction.It will be understood by those skilled in the art that and down can make amendment with form or replace without departing from the spirit and scope of the present invention, but these modifications and replacing all fall within the scope of protection of the present invention the details of technical scheme of the present invention.
The preparation of embodiment 1 matrix material of the present invention
Get 15Kg nanometer CaCO
3, the 5Kg nano-TiO
2, 3Kg nanometer BaSO
4, 0.5Kg silane coupling agent and 0.5Kg rare-earth coupling agent are put into the 200L ball mill, open ball mill, behind temperature of charge to 90 ℃, continue to grind 20min again; At last again with 50Kg PP, 6Kg PS, 1Kg AS, 3Kg EVA; 5Kg PE, 0.5Kg PP wax, 0.2Kg EVA wax; 0.5Kg gather dimethylamino silane and the 0.5Kg solid paraffin adds together, continue to grind 10min when temperature is raised to 125 ℃, blowing is in storagetank.With 75 type twin screw extruders under 175～185 ℃ with above-mentioned material extruding pelletization, promptly get matrix material of the present invention.Its various The performance test results are seen shown in the table 1.
The preparation of embodiment 2 matrix materials of the present invention
Get 15Kg nanometer BaSO
4, 5Kg nanometer SiO
2, the 1Kg nano-TiO
2, in 0.5Kg titanate coupling agent and the 0.6Kg aluminate coupling agent adding 200L impeller (5000 commentaries on classics/min), when high-speed stirring 25min temperature of charge is raised to 110 ℃; Again with 20Kg PP, 35Kg PS, 1Kg PC; 2Kg K glue, 3Kg POE, 1Kg Triple Pressed Stearic Acid; Join together in the impeller 0.5Kg PE wax and 1Kg gather dimethylamino silane, continue high-speed stirring (5000 change/min), blowing is in storagetank when temperature is raised to 130 ℃.Under 170～185 ℃,, promptly get matrix material of the present invention with 65 type twin screw extruders with above-mentioned material extruding pelletization.Its various The performance test results are seen shown in the table 1.
The preparation of embodiment 3 matrix materials of the present invention
Get 5Kg nanometer BaSO
4, 5Kg nanometer SiO
2, in 0.25Kg titanate coupling agent and the 0.25Kg aluminate coupling agent adding 200L impeller (5000 commentaries on classics/min), when high-speed stirring 25min temperature of charge is raised to 110 ℃; Again with 20Kg PP; 30Kg PS 1Kg K glue, 1Kg POE, 0.5Kg Triple Pressed Stearic Acid and 0.5Kg PE wax join in the impeller together; Continue high-speed stirring (5000 change/min), blowing is in storagetank when temperature is raised to 130 ℃.Under 170～185 ℃,, promptly get matrix material of the present invention with 65 type twin screw extruders with above-mentioned material extruding pelletization.Its various The performance test results are seen shown in the table 1.
The preparation of embodiment 4 matrix materials of the present invention
Get 5Kg nanometer CaCO
3, the 5Kg nano-TiO
2, 5Kg nanometer SiO
2, 10Kg nanometer BaSO
4, 0.1Kg silane coupling agent, 0.1Kg titanate coupling agent, 0.5Kg aluminate coupling agent, 1.3Kg rare-earth coupling agent; In the adding 200L impeller (5000 commentaries on classics/min), when high-speed stirring 30min temperature of charge is raised to 120 ℃, again with 34Kg PP; 35Kg PS, 1Kg PC, 4Kg EVA; 3Kg PE, 4Kg POE, 1Kg Triple Pressed Stearic Acid, 1Kg calcium stearate, 1Kg EVA wax, 1Kg PP wax and 1Kg PE wax join in the impeller together; Continue high-speed stirring (5000 change/min), blowing is in storagetank when temperature is raised to 130 ℃.Under 170～185 ℃,, promptly get matrix material of the present invention with 65 type twin screw extruders with above-mentioned material extruding pelletization.Its various The performance test results are seen shown in the table 1.
The performance and the ABS performance comparison of table 1 embodiment prepared composite material
Claims (4)
1. the matrix material of an alternative ABS is formed strengthening agent by following each component: 15Kg nanometer CaCO
3, the 5Kg nano-TiO
2, 3Kg nanometer BaSO
4Surfactant: 0.5Kg silane coupling agent, 0.5Kg rare-earth coupling agent; Increase firm agent: 50Kg PP, 6Kg PS, 1Kg AS; Toughner: 3Kg EVA, 5Kg PE; Processing aid: 0.5Kg PP wax, 0.2Kg EVA wax, 0.5Kg gather dimethylamino silane and 0.5Kg solid paraffin;
Or form strengthening agent: 15Kg nanometer BaSO by following each component
4, 5Kg nanometer SiO
2, the 1Kg nano-TiO
2Surfactant: 0.5Kg titanate coupling agent, 0.6Kg aluminate coupling agent; Increase firm agent: 20Kg PP, 35Kg PS, 1Kg PC; Toughner: 2Kg K glue, 3Kg POE; Processing aid: the 1Kg Triple Pressed Stearic Acid, 0.5KgPE wax and 1Kg gather dimethylamino silane;
Or form strengthening agent: 5Kg nanometer BaSO by following each component
4, 5Kg nanometer SiO
2Surfactant: 0.25Kg titanate coupling agent, 0.25Kg aluminate coupling agent; Increase firm agent: 20Kg PP, 30Kg PS; Toughner: 1Kg K glue, 1KgPOE; Processing aid: 0.5Kg Triple Pressed Stearic Acid and 0.5Kg PE wax;
Or form strengthening agent: 5Kg nanometer CaCO by following each component
3, the 5Kg nano-TiO
2, 5Kg nanometer SiO
2, 10Kg nanometer BaSO
4Surfactant: 0.1Kg silane coupling agent, 0.1Kg titanate coupling agent, 0.5Kg aluminate coupling agent, 1.3Kg rare-earth coupling agent; Increase firm agent: 34Kg PP, 35Kg PS, 1Kg PC; Toughner: 4Kg EVA, 3Kg PE, 4Kg POE; Processing aid: 1Kg Triple Pressed Stearic Acid, 1Kg calcium stearate, 1Kg EVA wax, 1Kg PP wax and 1Kg PE wax.
2. method for preparing the said matrix material of claim 1 may further comprise the steps:
(1) described strengthening agent of claim 1 and surfactant are put into ball mill or impeller together, under 90-120 ℃ of temperature, grind or stir, obtain mixture 1;
(2) add in mixture 1 that claim 1 is described to increase firm agent, toughner and processing aid continue to grind or stir under 120-130 ℃ of temperature,, promptly get in 170～190 ℃ of following extruding pelletizations with parallel double-screw extruder.
3. according to the described method of claim 2, it is characterized in that: the time of grinding described in the step (1) or stirring is 20-30 minute; Grinding described in step (1) or the step (2) or mixing speed are 4000-6000 rev/min.
4. according to the described method of claim 3, it is characterized in that: grinding described in step (1) or the step (2) or mixing speed are 5000 rev/mins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101487875A CN101597408B (en) | 2009-07-03 | 2009-07-03 | Composite material capable of replacing ABS and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101487875A CN101597408B (en) | 2009-07-03 | 2009-07-03 | Composite material capable of replacing ABS and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101597408A CN101597408A (en) | 2009-12-09 |
| CN101597408B true CN101597408B (en) | 2012-05-30 |
Family
ID=41419015
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101487875A Expired - Fee Related CN101597408B (en) | 2009-07-03 | 2009-07-03 | Composite material capable of replacing ABS and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101597408B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059543B (en) * | 2013-01-23 | 2015-04-15 | 上海瀚氏模具成型有限公司 | Anti-impact modified polycarbonate plastics for automotive interior parts and preparation method thereof |
| CN103113741B (en) * | 2013-02-21 | 2015-02-18 | 汉川市小神龙儿童用品有限公司 | Novel modified PA66 (polyamide 66) material and preparation method thereof |
| CN103509271A (en) * | 2013-10-09 | 2014-01-15 | 青岛颐世保塑料有限公司 | Polystyrene and calcium carbonate filling modification material |
| CN104292650A (en) * | 2014-11-07 | 2015-01-21 | 合肥大安印刷有限责任公司 | Low-odor plastic sheet used for children's toys |
| CN104893134A (en) * | 2015-05-18 | 2015-09-09 | 东莞市能路塑胶模具有限公司 | Pearlescent black master batch and preparation method thereof |
| CN105086516A (en) * | 2015-08-21 | 2015-11-25 | 池州凯尔特纳米科技有限公司 | Modified calcium carbonate with high whiteness and wide application range and preparation method thereof |
| CN105713363A (en) * | 2015-09-18 | 2016-06-29 | 怀宁县明发塑业有限责任公司 | Nano modified polycarbonate composite plastic |
| CN106009313B (en) * | 2016-07-14 | 2018-10-09 | 武汉顺威赛特工程塑料有限公司 | A kind of high tenacity PP composite material and preparation methods substituting ABS |
| CN106497504A (en) * | 2016-11-21 | 2017-03-15 | 广西华纳新材料科技有限公司 | A kind of weatherability photovoltaic glue and preparation method thereof |
| CN108690340A (en) * | 2018-05-02 | 2018-10-23 | 安徽沛隆智能机械科技有限公司 | A kind of ageing-resistant environmentally-friendly plastic suitable for toy for children |
| CN112457594A (en) * | 2020-12-05 | 2021-03-09 | 勇气模具塑胶(苏州)有限公司 | Composite material for refrigerator door shell and preparation method thereof |
| CN115197521B (en) * | 2022-09-16 | 2022-11-18 | 广州海天塑胶有限公司 | PS/PE/nano BaSO capable of replacing ABS 4 Composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986627A (en) * | 2005-12-22 | 2007-06-27 | 吴永刚 | Composite polypropylene material and its preparing method |
| CN101423637A (en) * | 2008-12-10 | 2009-05-06 | 长春工业大学 | Saloon car bumper special material capable of direct spray coating |
-
2009
- 2009-07-03 CN CN2009101487875A patent/CN101597408B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986627A (en) * | 2005-12-22 | 2007-06-27 | 吴永刚 | Composite polypropylene material and its preparing method |
| CN101423637A (en) * | 2008-12-10 | 2009-05-06 | 长春工业大学 | Saloon car bumper special material capable of direct spray coating |
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| Publication number | Publication date |
|---|---|
| CN101597408A (en) | 2009-12-09 |
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