CN102516655B - Strengthening and toughening polypropylene composite and preparation method thereof - Google Patents
Strengthening and toughening polypropylene composite and preparation method thereof Download PDFInfo
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- CN102516655B CN102516655B CN201110386110.2A CN201110386110A CN102516655B CN 102516655 B CN102516655 B CN 102516655B CN 201110386110 A CN201110386110 A CN 201110386110A CN 102516655 B CN102516655 B CN 102516655B
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- polypropylene
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- diacrylate
- tenacity
- increased profax
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- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
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- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
- B29C2948/9259—Angular velocity
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- 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
- B29C2948/92885—Screw or gear
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a strengthening and toughening polypropylene composite, which comprises, by weight, 35 to 94 parts of polypropylene, 0.5 to 5 parts of polyfunctional monomer, 5 to 60 parts of inorganic filler and 0.2 to 4 parts of polypropylene universal antioxidant and processing agent. A preparation method of the strengthening and toughening polypropylene composite includes: mixing all components evenly, adding the components in a screw extruder to perform melt mixing reaction, extruding and prilling to obtain the strengthening and toughening polypropylene composite. In-situ graft reaction occurs in a melt mixing process through double bond of the polyfunctional monomer and polypropylene, simultaneously C=O bond of the polyfunctional monomer and hydroxy on the surface of the filler form hydrogen bond, interfacial interaction between the filler and a matrix is enhanced, thereby achieving high performance of the polypropylene composite. The obtained polypropylene composite not only has good toughness and rigidity, but also can restrain degradation of the polypropylene.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of enhancing tenacity-increased profax mixture and preparation method thereof.
Background technology
Polypropylene is one of five large general-purpose plastics, in industrial sector widespread uses such as chemical industry, building, light industry, automobile, household electrical appliances, packings.But along with the development of industry, more and more higher to the requirement of material property, common polypropylene must pass through modification, gives its high-performance, can satisfy the demand.
By new working method and to polypropylene, carry out blending and modifying, can make polypropylene realize high performance.Elastomer blended by polypropylene and rubber-like, can effectively improve the toughness of material, but conventionally can make intensity, modulus and the thermotolerance etc. of material significantly decline.Adopt filler filled polypropylene, can obviously improve the rigidity, hardness, heat-drawn wire of material etc., but conventionally can cause that the toughness of material declines.It is mainly because the polarity between filler and polypropylene matrix differs greatly that filled polypropylene toughness of material declines, and a little less than interface binding power, causes, and in fact the interface of filler and polymkeric substance has formed a kind of defect in system.
At present, conventionally adopt the method for In Situ Compatibilization to improve the interfacial interaction between filler and polypropylene.
As Chinese patent 03126909.5 relates to reactive monomer modified nano calcium carbonate/polypropylene masterbatch and manufacture method thereof, the method is, after polypropylene, nano-calcium carbonate, reactive monomer (comprising maleic anhydride, acrylicacidandesters class, vinylbenzene) and other auxiliary agents are mixed under high-speed mixer, with twin screw extruder, to prepare.The method can make the mechanical property of nanon calcium carbonatefilled polypropylene material improve, and still, adds polar functional group grafts, the toughness of meeting loss material; And for example Chinese patent 98111718.X relates to a kind of interpolation polyfunctional monomer to increasing reaction of polypropylene mixture method, the method is that polypropylene, blend components, initiator and two key additive are evenly mixed by a certain percentage, in screw extrusion press, carry out melt blending reaction and extrude after and get final product.These methods be all and a kind of material or and matrix or and filler between there is chemical bond, thereby its raising degree to interface interphase interaction has certain limitation.
Summary of the invention
For solving above-mentioned the deficiencies in the prior art, primary and foremost purpose of the present invention is to provide a kind of enhancing tenacity-increased profax mixture, and this mixture not only has excellent toughness and rigidity, but also can suppress polyacrylic degraded.
Another object of the present invention is to provide the preparation method of above-mentioned enhancing tenacity-increased profax mixture.
The present invention is achieved through the following technical solutions:
An enhancing tenacity-increased profax mixture, is characterized in that, counts by weight, comprises following component:
Polypropylene: 35-94 part;
Polyfunctional monomer: 0.5-5 part;
Mineral filler: 5-60 part;
Polypropylene general oxidation inhibitor and processing aid: 0.2-4 part.
Described polypropylene PP comprises one or both the mixture in Co-polypropylene and homo-polypropylene, and its melting index scope is 0.1-100g/10min.
Described polyfunctional monomer comprises one or more the mixture in diacrylate and triacrylate.
Described diacrylate is selected from 2-methyl isophthalic acid, ammediol diacrylate, Diethylene Glycol dimethacrylate, ethylene glycol dimethacrylate, diethylene glycol diacrylate, phthalic acid tripropylene glycol diacrylate, PDDA, polyethyleneglycol diacrylate, ethoxylated neopentylglycol diacrylate, neopentylglycol diacrylate, 1, 4-butylene glycol diacrylate, 1, 6-hexanediyl ester, the mixture of one or more in propylene glycol diacrylate and tripropylene glycol diacrylate.
Described triacrylate is selected from one or more the mixture in trimethylolpropane trimethacrylate, pentaerythritol triacrylate, propoxylated glycerol triacrylate, propoxylation Viscoat 295, ethoxylated trimethylolpropane triacrylate and Viscoat 295.
The inorganic substance that described mineral filler contains hydroxyl for surface, are selected from one or more the mixture in talcum powder, mica, wollastonite, kaolin, aluminium hydroxide, magnesium hydroxide, carbon black and clay.
Described polypropylene general oxidation inhibitor is 1010 or 168; Described processing aid is Zinic stearas or calcium stearate.
A preparation method who strengthens tenacity-increased profax mixture, is characterized in that: comprise the following steps:
A, polypropylene, mineral filler, multifunctional monomer, polypropylene general oxidation inhibitor and processing aid are joined in mixing equipment by proportioning, mix;
B, said mixture material is melt extruded at 190-230 ℃ with processing units screw extrusion press, rotating speed is 50-400 rev/min;
C, extrudate be through water cooling, pelletizing, and tenacity-increased profax mixture is enhanced.
Compared with prior art, tool has the following advantages in the present invention:
1) the present invention is that two keys by polyfunctional monomer in the process of melt blending, situ-formed graft occur with polypropylene and react; The C=O key of polyfunctional monomer and the hydroxyl of filling surface form hydrogen bond simultaneously, have strengthened the interfacial interaction between filler and matrix, thereby have realized the high performance of polypropylene composite;
2) the preparation-obtained polypropylene composite of the present invention not only has good toughness and rigidity, but also can suppress polyacrylic degraded.
Embodiment
Below by embodiment, further illustrate the present invention, following examples are preferably embodiment of the present invention, but embodiments of the present invention are not subject to the restriction of following embodiment.
embodiment 1
Press row parts by weight and take each component:
The polypropylene of 93 weight parts (melting index is 3.2g/10min), the talcum powder of 5 weight parts, the antioxidant 1010 of the pentaerythritol triacrylate of 2 weight parts, 0.2 weight part and the processing aid Zinic stearas of 0.2 weight part;
Its preparation technology is as follows:
After above-mentioned each composition is mixed, join in twin screw extruder and extrude, the Temperature Setting of forcing machine is 210 ℃, and rotating speed is 300rpm; Extrudate is through water cooling, pelletizing, and tenacity-increased profax mixture is enhanced.Its mechanical property parameters is as shown in table 1.
embodiment 2
Press row parts by weight and take each component:
The polypropylene of 68 weight parts (melting index is 3.2g/10min), the talcum powder of 30 weight parts, the antioxidant 1010 of the pentaerythritol triacrylate of 2 weight parts, 0.2 weight part and the processing aid Zinic stearas of 0.2 weight part;
Its preparation technology is with embodiment 1, and mechanical property parameters is as shown in table 1.
embodiment 3
Press row parts by weight and take each component:
The polypropylene of 38 weight parts (melting index is 3.2g/10min), the talcum powder of 60 weight parts, the antioxidant 1010 of the pentaerythritol triacrylate of 2 weight parts, 0.2 weight part and the processing aid Zinic stearas of 0.2 weight part;
Its preparation technology is with embodiment 1, and mechanical property parameters is as shown in table 1.
comparative example 1
Press row parts by weight and take each component:
The polypropylene of 100 weight parts (melting index is 3.2g/10min), the antioxidant 1010 of 0.2 weight part and the processing aid Zinic stearas of 0.2 weight part;
Its preparation technology is with embodiment 1, and mechanical property parameters is as shown in table 1.
comparative example 2
Press row parts by weight and take each component:
The polypropylene of 98 weight parts (melting index is 3.2g/10min), the pentaerythritol triacrylate of 2 weight parts are, the processing aid Zinic stearas of the antioxidant 1010 of 0.2 weight part and 0.2 weight part;
Its preparation technology is with embodiment 1, and mechanical property parameters is as shown in table 1.
comparative example 3
Press row parts by weight and take each component:
The polypropylene of 95 weight parts (melting index is 3.2g/10min), the talcum powder of 5 weight parts are, the processing aid Zinic stearas of the antioxidant 1010 of 0.2 weight part and 0.2 weight part;
Its preparation technology is with embodiment 1, and mechanical property parameters is as shown in table 1.
comparative example 4
Press row parts by weight and take each component:
The polypropylene of 70 weight parts (melting index is 3.2g/10min), the talcum powder of 30 weight parts are, the processing aid Zinic stearas of the antioxidant 1010 of 0.2 weight part and 0.2 weight part;
Its preparation technology is with embodiment 1, and mechanical property parameters is as shown in table 1.
comparative example 5
Press row parts by weight and take each component:
The polypropylene of 40 weight parts (melting index is 3.2g/10min), the talcum powder of 60 weight parts are, the processing aid Zinic stearas of the antioxidant 1010 of 0.2 weight part and 0.2 weight part;
Its preparation technology is with embodiment 1, and mechanical property parameters is as shown in table 1.
The component proportion of table 1 various embodiments of the present invention and comparative example and the mechanical property parameters of product
From the performance test results of above embodiment and comparative example, can find out, the present invention adds polyfunctional monomer, and the method for employing in situ reactive compatibilization has improved rigidity and the toughness of product.
Claims (6)
1. strengthen a tenacity-increased profax mixture, it is characterized in that, count by weight, composed of the following components:
Polypropylene: 35-94 part;
Polyfunctional monomer: 0.5-5 part;
Mineral filler: 5-60 part;
Polypropylene general oxidation inhibitor and processing aid: 0.2-4 part;
The inorganic substance that described mineral filler contains hydroxyl for surface, are selected from one or more the mixture in talcum powder, mica, wollastonite, kaolin, aluminium hydroxide, magnesium hydroxide, carbon black and clay;
Described polyfunctional monomer comprises one or more the mixture in diacrylate and triacrylate.
2. enhancing tenacity-increased profax mixture according to claim 1, is characterized in that: described polypropylene comprises one or both the mixture in Co-polypropylene and homo-polypropylene, and its melting index scope is 0.1-100g/10min.
3. enhancing tenacity-increased profax mixture according to claim 1, it is characterized in that: described diacrylate is selected from 2-methyl isophthalic acid, ammediol diacrylate, Diethylene Glycol dimethacrylate, ethylene glycol dimethacrylate, diethylene glycol diacrylate, phthalic acid tripropylene glycol diacrylate, PDDA, polyethyleneglycol diacrylate, ethoxylated neopentylglycol diacrylate, neopentylglycol diacrylate, 1, 4-butylene glycol diacrylate, 1, 6-hexanediyl ester, the mixture of one or more in propylene glycol diacrylate and tripropylene glycol diacrylate.
4. enhancing tenacity-increased profax mixture according to claim 1, is characterized in that: described triacrylate is selected from one or more the mixture in trimethylolpropane trimethacrylate, pentaerythritol triacrylate, propoxylated glycerol triacrylate, propoxylation Viscoat 295, ethoxylated trimethylolpropane triacrylate and Viscoat 295.
5. enhancing tenacity-increased profax mixture according to claim 1, is characterized in that: described polypropylene general oxidation inhibitor is 1010 or 168; Described processing aid is Zinic stearas or calcium stearate.
6. the preparation method of the enhancing tenacity-increased profax mixture described in claim 1 ~ 5 any one, is characterized in that: comprise the following steps:
A, polypropylene, mineral filler, multifunctional monomer, polypropylene general oxidation inhibitor and processing aid are joined in mixing equipment by proportioning, mix;
B, said mixture material is melt extruded at 190-230 ℃ with processing units screw extrusion press, rotating speed is 50-400 rev/min;
C, extrudate be through water cooling, pelletizing, and tenacity-increased profax mixture is enhanced.
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| CN201110386110.2A CN102516655B (en) | 2011-11-29 | 2011-11-29 | Strengthening and toughening polypropylene composite and preparation method thereof |
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| CN201110386110.2A CN102516655B (en) | 2011-11-29 | 2011-11-29 | Strengthening and toughening polypropylene composite and preparation method thereof |
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| CN102516655A CN102516655A (en) | 2012-06-27 |
| CN102516655B true CN102516655B (en) | 2014-03-26 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102827422B (en) * | 2012-09-06 | 2014-11-05 | 金发科技股份有限公司 | Long-term heat and oxidation aging resistant polypropylene compound and preparation method thereof |
| CN104633810A (en) * | 2014-12-19 | 2015-05-20 | 常熟市恒通冷气机厂 | Water-cooled vertical air conditioner |
| CN104559205B (en) * | 2015-01-04 | 2017-09-05 | 沈阳化工大学 | A kind of preparation method of in-situ flexible polypropylene alloy |
| CN106032398A (en) * | 2015-03-12 | 2016-10-19 | 中国科学院宁波材料技术与工程研究所 | A preparing method of long-chain branched polypropylene |
| CN110229278A (en) * | 2019-06-26 | 2019-09-13 | 贵州省材料产业技术研究院 | Composite polyolefine material and preparation method thereof and water supply and sewerage pipeline |
| CN111040368A (en) * | 2019-12-20 | 2020-04-21 | 广州市聚赛龙工程塑料股份有限公司 | ABS alloy material with low linear expansion coefficient, and preparation method and application thereof |
| CN113461861B (en) * | 2021-07-20 | 2023-08-29 | 汕头市三马塑胶制品有限公司 | Novel environment-friendly functionalized polypropylene and preparation method thereof |
| CN116043360B (en) * | 2022-12-13 | 2024-02-23 | 东华大学 | Hydroxyl polypropylene copolymer fiber with surface concave-convex structure and preparation method thereof |
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| US6890990B2 (en) * | 2003-05-30 | 2005-05-10 | Solvay Engineered Polymers, Inc. | Co-agents for the preparation of thermoplastic elastomeric blends of rubber and polyolefins |
| CN1212351C (en) * | 2003-06-18 | 2005-07-27 | 中山大学 | Reactive monomer modified nano calcium carbonate/polypropylene master batch and its preparing method |
| CN100535047C (en) * | 2007-07-20 | 2009-09-02 | 唐山市福恩特防腐电气控制设备有限公司 | Polypropylene material with high bath strength and preparation method |
| CN102140204B (en) * | 2011-05-04 | 2014-06-11 | 金发科技股份有限公司 | Polypropylene composition and preparation method thereof |
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Effective date of registration: 20160115 Address after: Ke Feng Lu Science City high tech Industrial Development Zone of Guangzhou City, Guangdong Province, No. 33 510663 Patentee after: Kingfa Technology Co., Ltd. Patentee after: Shanghai Kingfa Science and Technology Development Co., Ltd. Patentee after: SICHUAN KINGFA TECHNOLOGY DEVELOPMENT CO., LTD. Address before: Ke Feng Lu Science City high tech Industrial Development Zone of Guangzhou City, Guangdong Province, No. 33 510663 Patentee before: Kingfa Technology Co., Ltd. Patentee before: Shanghai Kingfa Science and Technology Development Co., Ltd. Patentee before: Mianyang Dongfang Special Engineering Plastic Co., Ltd. |