CN105694216A - Weld bond resisting modified polypropylene - Google Patents
Weld bond resisting modified polypropylene Download PDFInfo
- Publication number
- CN105694216A CN105694216A CN201610123945.1A CN201610123945A CN105694216A CN 105694216 A CN105694216 A CN 105694216A CN 201610123945 A CN201610123945 A CN 201610123945A CN 105694216 A CN105694216 A CN 105694216A
- Authority
- CN
- China
- Prior art keywords
- weld bond
- inorganic particle
- modified polypropene
- bond modified
- propylene
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses weld bond resisting modified polypropylene. The weld bond resisting modified polypropylene is prepared from, by weight, 60-75% of polypropylene, 10-25% of propylene-ethylene random copolymer, 10-15% of inorganic powder coated with epoxy resin, 0.5-5% of nucleating agent, 1-5% of toughening agent and 0.5-3% of antioxidant. The flow rate of polypropylene solution is 500-1000 g/10 min, and the flow rate of propylene-ethylene random copolymer solution is 10-130 g/10 min. Weld bond generation is avoided, the mechanical property of the polypropylene material is improved, and product appearance and performance are both improved greatly.
Description
Technical field
The present invention relates to a kind of anti-weld bond modified polypropene, belong to technical field of polymer materials。
Background technology
Polyacrylic injection-molded item consumption is very big, general article of everyday use based on plain polypropylene, other purposes to strengthen or tenacity-increased profax。As: bumper, hubcap tenacity-increased profax, and RPP used by steering wheel, fan leaf, handle etc.。But some products to the higher large-scale PP composite of appearance requirement, such as bumper, automobile door plate etc., often in the process of injection moulding, it is easily generated weld bond and has a strong impact on products formed quality, when weld bond is injection mo(u)lding, the fine rule that molten material meet produces, it is one of injection-molded item common deficiency, not only affect the presentation quality of goods, and product strength is produced impact, the mechanical property of infringement goods。
In order to avoid producing weld bond, except at process unit, as adopted increase mould temperature, design more reasonably die venting, adjusting injection technique etc., prior art also teaches and raw material is improved, as adopted the good polypropylene of mobility, although this method is avoided to a certain extent or alleviates the vestige of weld bond, really with the mechanical property of expendable material for cost, effect is unsatisfactory。
Summary of the invention
The technical problem to be solved is the defect overcoming prior art, it is provided that a kind of anti-weld bond modified polypropene。
For solving above-mentioned technical problem, the present invention provides a kind of anti-weld bond modified polypropene, is made up of the component of following percent by weight:
Polypropylene 60-75%, Propylene-ethylene random copolymer 10-25%, the inorganic particle 10-15% of epoxy resin cladding, nucleator 0.5-5%, toughener 1-5%, antioxidant 0.5-3%, described polyacrylic solution flow rate is 500-1000g/10min, and the solution flow rate of described Propylene-ethylene random copolymer is 10-130g/10min。
Preferably, the preparation of the inorganic particle of described epoxy resin cladding comprises the following steps: epoxy monomer, inorganic particle and initiator are joined mixing and stirring in diluent, obtains the inorganic particle of epoxy resin cladding after filtration after the sucking filtration that reduces pressure again。
Preferably, the weight ratio of described epoxy monomer and inorganic particle is 1-5:100。
Preferably, described epoxy monomer is selected from one or more in bisphenol A type epoxy compound, novolak type epoxy compound, alicyclic type epoxide and glycidyl amine epoxy compound。
Preferably, described inorganic particle is Pulvis Talci or/and calcium carbonate。
Preferably, the particle diameter of described inorganic particle is 500-5000nm。
Preferably, described initiator is selected from one or more in metallocene compound, aromatic diazo salt, aromatic sulfonium salts and aromatic iodonium salt。
Preferably, in described Propylene-ethylene random copolymer, ethylene contents is 30-50%。
Preferably, described nucleator is glucitols or nucleator in organic phosphate class。
Preferably, described toughener is acrylate-butadiene-styrene, and described antioxidant is the Phosphorus antioxidant of aromatic series。
Alleged by the application, the inorganic particle of epoxy resin cladding refers to the inorganic particle of this epoxy resin modification, namely utilizes epoxy resin that inorganic powder surface is modified。
The value that melt flow rate (MFR) alleged by the application (MFR) is based on JISK7210, measures under temperature 230 DEG C, loading 21.18N。
The beneficial effect that the present invention reaches:
The polypropylene material of the present invention also improves its mechanical property while avoiding producing weld bond, and outward appearance and the performance of product all improve a lot；
The present invention adopts the good polypropylene composite materials raw material of mobility (polypropylene and Propylene-ethylene random copolymer) to improve weld bond and product appearance, inorganic particle can improve the mechanical property of product, improves the inorganic particle compatibility in the material and dispersibility after epoxy resin coating modification。
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described。Following example are only for clearly illustrating technical scheme, and can not limit the scope of the invention with this。
Embodiment 1
1. by epoxy monomer (bisphenol A type epoxy compound) that weight ratio is 2:100 and inorganic particle (Pulvis Talci), join mixing and stirring in diluent acrylic glycidyl ether with aromatic sulfonium salts initiator, after the sucking filtration that reduces pressure again after filtration, obtain the inorganic particle of epoxy resin cladding。
2. by the inorganic particle 10% of above-mentioned prepared epoxy resin cladding, with polypropylene 60%, Propylene-ethylene random copolymer 20%, nucleator 5%, toughener 3%, antioxidant 2%, adds injection mo(u)lding in injection machine, and above alleged polyacrylic solution flow rate is 800g/10min, the solution flow rate of Propylene-ethylene random copolymer is 80g/10min, and in Propylene-ethylene random copolymer, ethylene contents is 35%。
Embodiment 2
1. by epoxy monomer (novolak type epoxy compound) that weight ratio is 1:100 and inorganic particle (calcium carbonate), join mixing and stirring in diluent acrylic glycidyl ether with aromatic sulfonium salts initiator, after the sucking filtration that reduces pressure again after filtration, obtain the inorganic particle of epoxy resin cladding。
2. by the inorganic particle 15% of above-mentioned prepared epoxy resin cladding, with polypropylene 65%, Propylene-ethylene random copolymer 15%, nucleator 2%, toughener 2%, antioxidant 1%, adds injection mo(u)lding in injection machine, and above alleged polyacrylic solution flow rate is 800g/10min, the solution flow rate of Propylene-ethylene random copolymer is 80g/10min, and in Propylene-ethylene random copolymer, ethylene contents is 40%。
Embodiment 3
1. by epoxy monomer (novolak type epoxy compound) that weight ratio is 1:100 and inorganic particle (calcium carbonate), join mixing and stirring in diluent acrylic glycidyl ether with aromatic sulfonium salts initiator, after the sucking filtration that reduces pressure again after filtration, obtain the inorganic particle of epoxy resin cladding。
2. by the inorganic particle 15% of above-mentioned prepared epoxy resin cladding, with polypropylene 65%, Propylene-ethylene random copolymer 15%, nucleator 2%, toughener 2%, antioxidant 1%, adds injection mo(u)lding in injection machine, and above alleged polyacrylic solution flow rate is 1000g/10min, the solution flow rate of Propylene-ethylene random copolymer is 100g/10min, and in Propylene-ethylene random copolymer, ethylene contents is 40%。
Comparative example 1
Replace the organic powder of epoxy resin cladding in comparative example one with organic-silicon-modified inorganic particle, other each components are all identical with embodiment two。
Comparative example 2
Without Propylene-ethylene random copolymer in comparative example one, polypropylene content is increased to 80%, and other each components are all identical with embodiment two。
The formula of embodiment 1-4 and comparative example 1-2 is in Table one。
Each component formula table in table one embodiment 1-3 and comparative example 1-2。
Performance test
The testing standard of hot strength is ISO527/2-93, units MPa；Bending modulus testing standard is ISO178/2-93, units MPa；Bending strength testing standard is ISO179/2-93, units MPa；23 DEG C of notch impact strength testing standards are ISO179/2-93, unit K J/m3。Weld bond evaluation method is: the shade of weld bond and length, pass judgment on be divided into five grades: without, slight, general, more serious, serious。
The performance test results of table two embodiment 1-3 and comparative example 1-2。
Be can be seen that by result above, the material of the present invention has mechanical property and the high-quality outward appearance of excellence concurrently, the inorganic particle of epoxy resin cladding and add mechanical property and weld bond, the outward appearance to material of Propylene-ethylene random copolymer have considerable influence, be can be seen that by comparative example 2 and embodiment 2, it is modified inorganic particle equally, utilizes the inorganic powder physical ability of epoxy resin modification of the present invention to make product obtain better mechanical property and high-quality outward appearance。Relative mechanical property, Propylene-ethylene random copolymer is bigger to the appearance effects of product。
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the technology of the present invention principle; can also making some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention。
Claims (10)
1. an anti-weld bond modified polypropene, it is characterised in that be made up of the component of following percent by weight:
Polypropylene 60-75%, Propylene-ethylene random copolymer 10-25%, the inorganic particle 10-15% of epoxy resin cladding, nucleator 0.5-5%, toughener 1-5%, antioxidant 0.5-3%, described polyacrylic solution flow rate is 500-1000g/10min, and the solution flow rate of described Propylene-ethylene random copolymer is 10-130g/10min。
2. the anti-weld bond modified polypropene of one according to claim 1, it is characterized in that, the preparation of the inorganic particle of described epoxy resin cladding comprises the following steps: epoxy monomer, inorganic particle and initiator are joined mixing and stirring in diluent, obtains the inorganic particle of epoxy resin cladding after filtration after the sucking filtration that reduces pressure again。
3. the anti-weld bond modified polypropene of one according to claim 2, it is characterised in that the weight ratio of described epoxy monomer and inorganic particle is 1-5:100。
4. the anti-weld bond modified polypropene of one according to claim 2, it is characterized in that, described epoxy monomer is selected from one or more in bisphenol A type epoxy compound, novolak type epoxy compound, alicyclic type epoxide and glycidyl amine epoxy compound。
5. the anti-weld bond modified polypropene of one according to claim 2, it is characterised in that described inorganic particle is Pulvis Talci or/and calcium carbonate。
6. the anti-weld bond modified polypropene of one according to claim 5, it is characterised in that the particle diameter of described inorganic particle is 500-5000nm。
7. the anti-weld bond modified polypropene of one according to claim 2, it is characterised in that described initiator is selected from one or more in metallocene compound, aromatic diazo salt, aromatic sulfonium salts and aromatic iodonium salt。
8. the anti-weld bond modified polypropene of one according to any one of claim 1-7, it is characterised in that in described Propylene-ethylene random copolymer, ethylene contents is 30-50%。
9. the anti-weld bond modified polypropene of one according to claim 1, it is characterised in that described nucleator is glucitols or nucleator in organic phosphate class。
10. the anti-weld bond modified polypropene of one according to claim 1, it is characterised in that described toughener is acrylate-butadiene-styrene, described antioxidant is the Phosphorus antioxidant of aromatic series。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123945.1A CN105694216A (en) | 2016-03-04 | 2016-03-04 | Weld bond resisting modified polypropylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123945.1A CN105694216A (en) | 2016-03-04 | 2016-03-04 | Weld bond resisting modified polypropylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105694216A true CN105694216A (en) | 2016-06-22 |
Family
ID=56220172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610123945.1A Pending CN105694216A (en) | 2016-03-04 | 2016-03-04 | Weld bond resisting modified polypropylene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105694216A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110317398A (en) * | 2019-06-26 | 2019-10-11 | 苏州润佳工程塑料股份有限公司 | A kind of low odor polypropylene composite material and preparation method thereof |
| CN110358193A (en) * | 2019-08-22 | 2019-10-22 | 苏州润佳工程塑料股份有限公司 | A kind of polypropylene material of surface good attachment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092497A (en) * | 2007-07-26 | 2007-12-26 | 上海交通大学 | Method for preparing composite talcum powder filled material of polypropylene |
| CN101885878A (en) * | 2010-08-12 | 2010-11-17 | 株洲时代工程塑料制品有限责任公司 | Polypropylene resin composite |
| CN102516700A (en) * | 2011-12-09 | 2012-06-27 | 上海锦湖日丽塑料有限公司 | Appearance-improving spraying-free aesthetic resin and its preparation method |
| CN104086886A (en) * | 2014-07-09 | 2014-10-08 | 安徽宁国市高新管业有限公司 | Anti-impact MPP (molypermalloy powder core) electric protection tube |
| CN104788825A (en) * | 2015-03-31 | 2015-07-22 | 天津金发新材料有限公司 | Transparent polypropylene with high fluidity and high heat resistance and preparation method thereof |
-
2016
- 2016-03-04 CN CN201610123945.1A patent/CN105694216A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092497A (en) * | 2007-07-26 | 2007-12-26 | 上海交通大学 | Method for preparing composite talcum powder filled material of polypropylene |
| CN101885878A (en) * | 2010-08-12 | 2010-11-17 | 株洲时代工程塑料制品有限责任公司 | Polypropylene resin composite |
| CN102516700A (en) * | 2011-12-09 | 2012-06-27 | 上海锦湖日丽塑料有限公司 | Appearance-improving spraying-free aesthetic resin and its preparation method |
| CN104086886A (en) * | 2014-07-09 | 2014-10-08 | 安徽宁国市高新管业有限公司 | Anti-impact MPP (molypermalloy powder core) electric protection tube |
| CN104788825A (en) * | 2015-03-31 | 2015-07-22 | 天津金发新材料有限公司 | Transparent polypropylene with high fluidity and high heat resistance and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘西文: "《塑料注射成型技术实用教程》", 31 October 2013 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110317398A (en) * | 2019-06-26 | 2019-10-11 | 苏州润佳工程塑料股份有限公司 | A kind of low odor polypropylene composite material and preparation method thereof |
| CN110358193A (en) * | 2019-08-22 | 2019-10-22 | 苏州润佳工程塑料股份有限公司 | A kind of polypropylene material of surface good attachment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101659142B (en) | Multifunctional casting polyolefine firmness-increasing film | |
| CN110628131B (en) | Polypropylene composite material with low shrinkage and low linear expansion coefficient and preparation method thereof | |
| CN108239395A (en) | A kind of lightweight reinforced polyamide composition and preparation method thereof | |
| EP3789456A1 (en) | Polyamide resin composition having high metal texture and preparation method of polyamide resin composition | |
| CN104629184B (en) | A kind of composite containing polybutene alloy and preparation method thereof | |
| CN105524398A (en) | ABS rapid prototyping material used for 3D printing, and preparation method thereof | |
| CN104761794B (en) | A kind of gutta-percha shape memory macromolecule composite material and preparation method thereof | |
| JP6690040B1 (en) | Resin molding material for three-dimensional modeling device and filament for three-dimensional modeling device | |
| CN106084493A (en) | A kind of metal-like for automobile exterior trimming parts exempts from spray coating polypropylene composite and preparation method thereof | |
| CN107868342A (en) | One kind exempts from spray coating polypropylene composition and preparation method thereof | |
| CN108239391A (en) | A kind of light flame-retardant reinforced polyamide composition and preparation method thereof | |
| CN110791023A (en) | Laser-weldable modified polypropylene material and preparation method thereof | |
| CN105111703A (en) | Preparation method of conductive polylactic acid composite for thermal fusion 3D printing | |
| EP2650321B1 (en) | Process for welding of two polyamide parts | |
| CN105694216A (en) | Weld bond resisting modified polypropylene | |
| CN110358193A (en) | A kind of polypropylene material of surface good attachment | |
| CN107226957A (en) | A kind of modified polypropylene material of anti-tiger fur line injection defect and preparation method thereof | |
| CN108976602A (en) | A kind of marbling master batch suitable for PP | |
| CN102321325A (en) | Polyvinyl alcohol material suitable for melt processing and preparation method thereof | |
| CN107400493A (en) | Degradable Adhesive composition and its production and use | |
| CN110194868B (en) | High-gloss polypropylene resin composition and preparation method and application thereof | |
| CN108239393A (en) | A kind of lightweight daiamid composition and preparation method thereof | |
| CN104610505B (en) | High toughening efficiency and the nylon toughener of high fluidity and preparation method thereof | |
| CN106432768A (en) | Polypropylene composition used for BOPP film coating, and preparation method thereof | |
| CN105778265A (en) | Plastic formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |
|
| RJ01 | Rejection of invention patent application after publication |