CN110982167B - Creep-resistant polypropylene composite material with interpenetrating network structure and preparation method thereof - Google Patents
Creep-resistant polypropylene composite material with interpenetrating network structure and preparation method thereof Download PDFInfo
- Publication number
- CN110982167B CN110982167B CN201911244002.4A CN201911244002A CN110982167B CN 110982167 B CN110982167 B CN 110982167B CN 201911244002 A CN201911244002 A CN 201911244002A CN 110982167 B CN110982167 B CN 110982167B
- Authority
- CN
- China
- Prior art keywords
- composite material
- creep
- polypropylene
- polypropylene composite
- parts
- 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.)
- Active
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0038—Use of organic additives containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2101/00—Manufacture of cellular products
-
- 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
- C08L2205/04—Polymer mixtures characterised by other features containing interpenetrating networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
The invention discloses a creep-resistant polypropylene composite material with an interpenetrating network structure and a preparation method thereof. The polypropylene composite material comprises the following components: low melting refers to polypropylene, antioxidant, surfactant, compatibilizer, nucleating agent, polymeric MDI, polyether polyol, polyester polyol, delayed amine catalyst. The polypropylene composite material has better creep resistance, and can prolong the service life of the material under the working condition of long-term alternating stress.
Description
Technical Field
The invention relates to a polypropylene composite material, in particular to a creep-resistant polypropylene composite material with an interpenetrating network structure and a preparation method thereof, belonging to the technical field of polypropylene modification.
Background
The polypropylene is used as a general plastic, has the advantages of low price, good heat resistance and the like, is widely applied to the fields of automobiles, household appliances, office supplies and various electronic and electrical appliances, particularly in recent years, the functionalization technology of the polypropylene is more and more, engineering plastics are replaced in some special fields, the polypropylene is used as some structural parts, the parts are required to have longer service life, the creep resistance of a polypropylene material is required to be higher, but the material is easy to creep to cause deformation of the parts and even high-risk failure under the stress action of long-term fatigue due to the semi-crystalline molecular form, the molecular chain length and the smoothness of the material. Therefore, research on the preparation of creep-resistant polypropylene composites is one of the important directions for modified polypropylene.
Chinese patent CN106188862A provides a polypropylene composite material with excellent creep resistance, which is characterized in that polybutene-1 and a beta nucleating agent are introduced, wherein polybutene-1 is introduced to increase the entanglement of molecular chains, and the beta nucleating agent is used to increase bonding points, so that the creep resistance is weakened.
Chinese patent CN105504500A provides a preparation method of creep-resistant polypropylene composite material, which introduces cooling masterbatch in the formula to degrade polypropylene molecular chains and then generate micro-crosslinking during the extrusion process, and generate binding points to limit the movement of the molecular chains to improve the creep-resistant performance, but on one hand, the molecular chains are shortened through degradation, other mechanical properties are lost, in addition, the peroxide degradation process is uncontrollable, the product performance stability is poor, and the space for improving the creep-resistant performance of the material is limited.
At present, the main approach of the creep-resistant polypropylene composite material is to increase physical binding points by using length-diameter ratio fillers, nucleating agents or other resins with long branched chains, the intermolecular force is weak, and the other part of the creep-resistant polypropylene composite material is subjected to micro-crosslinking through degradation, but the process is uncontrollable, the molecular chain fracture is obvious, and the performance of the composite material is obviously reduced.
Disclosure of Invention
The invention aims to provide a creep-resistant polypropylene composite material with an interpenetrating network structure and a preparation method thereof. In addition, due to the existence of the microporous structure, the energy absorption efficiency is good, the polyurethane with the cross-linked structure can well transfer force, the slippage of a polypropylene molecular chain is reduced, and the creep resistance of the material is improved. Compared with the traditional fiber inorganic filler, the anti-creep property is improved by reinforcement, and the porous structure has the advantage of low density.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the creep-resistant polypropylene composite material with the interpenetrating network structure comprises the following components in parts by weight:
furthermore, the low-melting-index polypropylene is one or two of commercially available low-melting-index homo-polypropylene or co-polypropylene, and the melting index is 0.5-5 g/10 min. The low-melting polypropylene includes, but is not limited to, Yanshan petrochemical K8303, Korean Doudao BU510, Zhongtian Synthetic K8003, and the like.
Furthermore, the polymeric MDI is commercial polymeric MDI, the mass fraction of NCO is 28.5-33.0%, and the polymeric MDI comprises but is not limited to Wanhua chemical
PM200、
PM200S, and the like.
Further, the polyether polyol has a hydroxyl value of 200-500 mgKOH/g, a viscosity of 150-500 mPa s, and a temperature of 25 ℃ and containsIncluding but not limited to Wanhua chemistry
R2305。
Further, the hydroxyl value of the polyester polyol is 50-120 mgKOH/g, the Mw molecular weight is 800-2000, and the polyester polyol comprises but is not limited to Mix-806 of Huada chemical and Mix 2056 of Huada chemical.
Furthermore, the compatilizer is a commercially available PP grafted maleic anhydride product, the grafting rate is 0.3-1.5%, and the compatilizer comprises but is not limited to light GPM200A and preferably easy CMG 5701.
Further, the surfactant is a polysiloxane-polyoxyalkylene ether block copolymer, and comprises but is not limited to Yingchuang B8545, Yingchuang B8423 and Meiji (Michigan L-6900).
Further, the antioxidant is preferably a compound system of hindered phenol antioxidant tetra [ beta- (3 ', 5 ' -di-tert-butyl-4 ' -hydroxyphenyl) propionic acid ] pentaerythritol ester (commonly known as antioxidant 1010) and phosphite antioxidant tris (2, 4-di-tert-butylphenyl) phosphite (commonly known as antioxidant 168). The weight ratio of the antioxidant 1010 to the antioxidant 168 is 1: 2-2: 1.
further, the nucleating agent is, for example, commercially available adico NA-11.
Further, the delayed catalyst is air chemical Dabco 8154.
Furthermore, the creep of the creep-resistant polypropylene composite material with the interpenetrating network structure is 0.4-0.5%, and the density is as low as 0.80-0.85 g/cm3。
The invention also provides a method for preparing the polypropylene composite material, which comprises the following steps:
(1) preparing a polyurethane composite material: pouring polyether polyol, polyester polyol, a surfactant and a delayed catalyst into a reaction kettle, stirring uniformly by a dispersion machine, and transferring into a No. 1 liquid weight loss scale; introducing the polymeric MDI into a No. 2 liquid weight loss scale;
(2) preparation of a polypropylene mixture: uniformly mixing low-melting polypropylene particles, a nucleating agent, an antioxidant and a compatilizer, and pouring the mixture into a weight loss scale of a main feeding port;
(3) preparing a composite material: setting an extrusion temperature and an extrusion process, starting feeding by a main feeding port weight loss scale, after stable extrusion, starting feeding from the same side feeding port by a No. 1 liquid weight loss scale and a No. 2 liquid weight loss scale according to a proportion, and carrying out melting, dispersing, extruding, cooling, granulating and drying in an extruder to obtain the polypropylene composite material.
In the process of extruding solid raw materials such as polypropylene and the like through the main feeding port, the polypropylene composite material and the polymeric MDI and the like are injected into a liquid feeding port of an extruder through a liquid scale, polyurethane is subjected to chemical foaming reaction in a polypropylene melt after being heated, sheared and dispersed by the extruder, a polypropylene molecular chain passes through a polyurethane micropore, the polyurethane and the polypropylene after being cooled and solidified form the polypropylene composite material with an interpenetrating network structure, in the interpenetrating network structure, the crosslinked polyurethane molecular chain can better limit the movement of the polypropylene molecular chain, and the expanded polypropylene molecular chain can release stress more quickly, so that the creep resistance of the polypropylene composite material is improved, and the service life of the material is prolonged under the working condition of being subjected to alternating stress for a long time.
Compared with the prior art, the invention has the beneficial effects that:
(1) the polypropylene composite material with the interpenetrating network structure, which is produced by the invention, has the advantages that the polypropylene molecular chains are penetrated and locked and are fixed in the highly crosslinked microcellular foamed polyurethane, so that a good binding effect is achieved, the movement of the molecular chains can be effectively inhibited, and the expanded polypropylene molecular chains release stress more quickly, so that the creep resistance of the polypropylene composite material is improved.
(2) The polypropylene composite material with the interpenetrating network structure, which is produced by the invention, can play a good role in energy absorption due to the existence of the microporous structure, and the polyurethane with the cross-linked structure can well transfer force, reduce the slippage of a polypropylene molecular chain and improve the creep resistance of the material;
(3) compared with the traditional fiber inorganic filler reinforced polypropylene composite material, the polypropylene composite material with the interpenetrating network structure has the advantage of improving the creep resistance, and has the advantage of low density due to the existence of the porous structure.
The creep of the final product is 0.4%, and the density can be as low as 0.80g/cm3Has excellent creep resistance.
Detailed Description
The present invention is further illustrated by the following examples, which are provided only for the purpose of illustration and are not intended to limit the scope of the present invention.
Example 1
(1) Preparing a polyurethane composite material: 950g of polyether polyol were weighed separately
Pouring R2305, 800g of polyester polyol Wahuadao chemical MX-806, 25g of surfactant L6900 and 6g of delayed catalyst Dabco 8154 into a reaction kettle, uniformly stirring at high speed by a dispersion machine, and transferring into a No. 1 liquid weight loss scale; 1800g of polymeric MDI
PM200 is introduced into No. 2 liquid weight loss scale.
(2) Preparation of a polypropylene mixture: 6000g of low-melting polypropylene particles BU510,3g of nucleating agent NA-11, 50g of light GPM200A capable of serving as compatilizer and 8g of antioxidant (1010: 168: 1) are uniformly mixed and poured into a weight loss scale of a main feeding port;
(3) preparing a composite material: setting extrusion temperature and process, starting feeding by a main feeding port weight loss scale, starting feeding by a No. 1 liquid weight loss scale and a No. 2 liquid weight loss scale according to a proportion after stable extrusion, and carrying out melting, dispersing, extruding, cooling, granulating and drying in an extruder to obtain the polypropylene composite material. The glass transition temperature is two, Tg is-8 ℃ and 40 ℃, and compared with independent polypropylene and polyurethane foam, the glass transition temperature is opposite offset, so that a better homogeneous structure of an interpenetrating network is formed.
Example 2
(1) Preparing a polyurethane composite material: 750g of polyether polyol were weighed in each case
R2305, 1000g of polyester polyol Wahuadao chemical MX-806, 27g of surfactant L6900 and 6g of delayed catalyst Dabco 8154 are poured into a reaction kettle, and the mixture is transferred to a No. 1 liquid weightlessness scale after being uniformly stirred at high speed by a dispersion machine; 2400g of polymeric MDI
PM200 is introduced into No. 2 liquid weight loss scale.
(2) Preparation of a polypropylene mixture: 7500g of low-melting-index polypropylene particle BU510, 5g of nucleating agent NA-11, 60g of compatilizer CMG-5701 and 8g of antioxidant (1010: 168: 1) are uniformly mixed and poured into a weight loss scale of a main feeding port;
(3) preparing a composite material: setting extrusion temperature and process, starting feeding by a main feeding port weight loss scale, starting feeding by a No. 1 liquid weight loss scale and a No. 2 liquid weight loss scale according to a proportion after stable extrusion, and carrying out melting, dispersing, extruding, cooling, granulating and drying in an extruder to obtain the polypropylene composite material. The glass transition temperature is two, Tg is-15 ℃ and 32 ℃, and compared with independent polypropylene and polyurethane foam, the glass transition temperature is opposite offset, so that a better homogeneous structure of an interpenetrating network is formed.
Comparative example 1
(1) Weighing 4000g of low-melting-index polypropylene BU510,3g of nucleating agent NA-11 and 6g of antioxidant (1010: 168: 1) and uniformly mixing the materials, and pouring the mixture into a weight loss scale of a main feeding port;
(2) preparing materials: setting extrusion temperature and process, weighing the weight loss of a main feeding port, starting feeding, and carrying out melting, dispersing, extruding, cooling, granulating and drying in an extruder to obtain the polypropylene material.
Comparative example 2
(1) Weighing 4000g of low-melting-index polypropylene BU510,3g of nucleating agent NA-11 and 6g of antioxidant (1010: 168: 1) to be uniformly mixed, pouring the mixture into a weightless scale of a main feeding port, and weighing 1kg of glass fiber (Taishan glass fiber T438H, commercially available) to be poured into a glass fiber side feeding port;
(2) preparing materials: setting extrusion temperature and process, starting feeding by a main feeding port weightlessness scale, and feeding glass fibers from the side according to the ratio of 4: the material is fed in a proportion of 1, and the polypropylene material is obtained after melting, dispersing, extruding, cooling, granulating and drying in an extruder.
Comparative example 3
(1) Preparing polyurethane foam particles: 750g of polyether polyol were weighed in each case
R2305, 1000g of polyester polyol Wadaohuo chemical MX-806, 27g of surfactant L6900 and delayed catalyst Dabco 81546 g are poured into a reaction kettle, and the mixture is transferred into a foaming open die after being uniformly stirred at high speed by a dispersion machine; 2400g of polymeric MDI
And pouring the PM200 into a mould, and stirring at a high speed for 10s to prepare polyurethane foam. After cooling, crushing the mixture by a crusher to a particle state.
(2) Preparation of a polypropylene mixture: uniformly mixing 4183g of polyurethane foam particles, 6000g of low-melting polypropylene particles BU510,3g of nucleating agent NA-11, 50g of light GPM200A capable of serving as compatilizer and 8g of antioxidant (1010:168 is 1:1), and pouring into a weight loss scale of a main feeding port; and melting, dispersing, extruding, cooling, granulating and drying in an extruder to obtain the polypropylene composite material. Two glass transition temperatures were present, with Tg of-24 ℃ and 65 ℃ respectively, and compared to polypropylene and polyurethane foams alone, no offset occurred, maintaining an independent two-phase structure.
TABLE 1 Performance of examples 1-2 and comparative examples 1-3
The creep resistance is mainly determined by GB6095-85 test standard, wherein the size of a sample is 120 x 10 x 4mm, the test temperature is 23 ℃, and the strain (%) of the outermost layer of the sample after 48 hours is recorded.
According to the creep-resistant polypropylene composite material with the interpenetrating network structure and the preparation method thereof, the polypropylene molecular chains are interlockingly fixed in the highly crosslinked microcellular polyurethane, so that a good binding effect is achieved, the movement of the molecular chains can be effectively inhibited, and the unfolded polypropylene molecular chains release stress more quickly, so that the creep resistance of the polypropylene composite material is improved. In addition, due to the existence of the microporous structure, the energy absorption efficiency can be good, the polyurethane with the crosslinked structure can well transfer force, the slippage of a polypropylene molecular chain is reduced, and the creep resistance of the material is improved. Compared with the traditional fiber inorganic filler, the anti-creep property is improved by reinforcement, and the porous structure has the advantage of low density.
Claims (10)
1. The creep-resistant polypropylene composite material with the interpenetrating network structure comprises the following components in parts by weight:
50-80 parts of low-melting polypropylene
10-30 parts of polymeric MDI
5-15 parts of polyether polyol
5-15 parts of polyester polyol
0.02-0.5 part of surfactant
0.1-2 parts of compatilizer
0.01-0.5 part of antioxidant
0.01 to 0.5 part of nucleating agent
0.003 to 0.2 part of delayed amine catalyst,
the creep-resistant polypropylene composite material is prepared by the following steps:
(1) preparing a polyurethane composite material: pouring polyether polyol, polyester polyol, a surfactant and a delayed catalyst into a reaction kettle, uniformly stirring by a dispersion machine, and transferring to a No. 1 liquid weight loss scale; pouring the polymeric MDI into a No. 2 liquid weight loss scale;
(2) preparation of a polypropylene mixture: uniformly mixing low-melting polypropylene particles, a nucleating agent, an antioxidant and a compatilizer, and pouring the mixture into a weight loss scale of a main feeding port;
(3) preparing a composite material: setting extrusion temperature and process, starting feeding by a main feeding port weight loss scale, after stable extrusion, starting feeding by a No. 1 liquid weight loss scale and a No. 2 liquid weight loss scale from the same side feeding port according to a proportion, and carrying out melting, dispersing, extruding, cooling, granulating and drying in an extruder to obtain the polypropylene composite material.
2. The creep-resistant polypropylene composite of claim 1 comprising the following components in parts by weight:
55-75 parts of low-melting polypropylene
15-25 parts of polymeric MDI
7-12 parts of polyether polyol
7-12 parts of polyester polyol
0.05-0.3 part of surfactant
0.3-0.7 part of compatilizer
0.05-0.2 part of antioxidant
0.02-0.1 part of nucleating agent
0.02-0.1 part of delayed amine catalyst.
3. The creep-resistant polypropylene composite material according to claim 1, wherein the low-melting-index polypropylene is one or two of homo-polypropylene and co-polypropylene, and the melting index is 0.5-5 g/10 min.
4. The creep-resistant polypropylene composite material according to claim 2, wherein the polymeric MDI has an NCO mass fraction of 28.5 to 33.0%.
5. The creep-resistant polypropylene composite according to any one of claims 1 to 4, wherein the polyether polyol has a hydroxyl value of 200 to 500mgKOH/g, a viscosity of 150 to 500 mPa-s, 25 ℃;
the polyester polyol has a hydroxyl value of 50-120 mgKOH/g and an Mw molecular weight of 800-2000.
6. The creep-resistant polypropylene composite according to any one of claims 1 to 4, wherein the surfactant is a polysiloxane-polyoxyalkylene ether block copolymer.
7. The creep-resistant polypropylene composite material according to any one of claims 1 to 4, wherein the compatibilizer is a polypropylene grafted maleic anhydride product, and the grafting ratio is 0.3 to 1.5%.
8. The creep-resistant polypropylene composite material according to any one of claims 1 to 4, wherein the antioxidant is the polypropylene composite material prepared from the following components in a weight ratio of 1: 2-2: 1 of antioxidant 1010 and antioxidant 168.
9. The creep-resistant polypropylene composite material according to any one of claims 1 to 4, wherein the nucleating agent is one or more of aryl metal phosphate, carboxylic acid metal salt, sorbitol and rosin soap.
10. The creep-resistant polypropylene composite according to any one of claims 1 to 4, wherein the polypropylene composite has a creep of 0.4 to 0.5% and a density of 0.80 to 0.85g/cm3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244002.4A CN110982167B (en) | 2019-12-06 | 2019-12-06 | Creep-resistant polypropylene composite material with interpenetrating network structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244002.4A CN110982167B (en) | 2019-12-06 | 2019-12-06 | Creep-resistant polypropylene composite material with interpenetrating network structure and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110982167A CN110982167A (en) | 2020-04-10 |
| CN110982167B true CN110982167B (en) | 2022-07-12 |
Family
ID=70091048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911244002.4A Active CN110982167B (en) | 2019-12-06 | 2019-12-06 | Creep-resistant polypropylene composite material with interpenetrating network structure and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110982167B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2409281A1 (en) * | 1977-11-18 | 1979-06-15 | Rhone Poulenc Ind | Glass fibre reinforced polypropylene compsn. - contains prepolymer additive obtd. from a polyimide, N-vinyl-pyrrolidone and opt. a polyester |
| EP2368937A1 (en) * | 2010-03-22 | 2011-09-28 | Borealis AG | Heterophasic polypropylene with excellent creep performance |
| CN102241865B (en) * | 2010-05-11 | 2012-12-12 | 张家港嘉成建设材料有限公司 | Blend-type interpenetrating network thermoplastic elastomer TIEN (thermoplastic interpenetrating elastomer network) |
| CN105504500B (en) * | 2015-12-30 | 2018-09-14 | 上海普利特复合材料股份有限公司 | A kind of creep resistance PP composite material and preparation method thereof |
| CN106188862A (en) * | 2016-08-08 | 2016-12-07 | 江苏金发科技新材料有限公司 | There is the PP composite material of excellent creep-resistant property |
| CN106496504A (en) * | 2016-10-31 | 2017-03-15 | 厦门艾美森新材料科技股份有限公司 | A kind of polyurethane foam composition material and preparation method thereof, polyurethane foam |
| CN107033313A (en) * | 2016-12-05 | 2017-08-11 | 上海东大聚氨酯有限公司 | A kind of combined polyether, polyurethane raw material composition and its application |
-
2019
- 2019-12-06 CN CN201911244002.4A patent/CN110982167B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110982167A (en) | 2020-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101302336B (en) | Flame-retardant PPO/PA alloy and preparation thereof | |
| CN103102583B (en) | A kind of polypropylene microporous expanded material and preparation method thereof | |
| CN105367742A (en) | Premixed polyether polyols, polyurethane foam, preparation method and application thereof | |
| CN112625432B (en) | Micro-foaming nylon composite material and application thereof | |
| CN102729548B (en) | Preparation method for SMC (sheet moulding compound) composite material | |
| CN105623097A (en) | Nanometer-material-compounded long-glass-fiber-reinforced polypropylene material and preparing method thereof | |
| CN110591310B (en) | Modified polylactic acid foaming material and forming method thereof | |
| CN102892810A (en) | Composite polyamide article | |
| CN100381498C (en) | Method for preparing polycondensation reaction type reinforced thermoplastic resin in long fibres | |
| CN108047581B (en) | High-strength graphite polystyrene board and preparation method thereof | |
| CN101100497A (en) | All-purpose double-screw extruder one-time extracted graft and preparation method thereof | |
| CN110922730B (en) | Modified polylactic acid and preparation method thereof | |
| CN110003638B (en) | Calcium carbonate high-filling biodegradable film and preparation method thereof | |
| CN101935514A (en) | Novel foam structural adhesive and preparation method thereof | |
| CN110982167B (en) | Creep-resistant polypropylene composite material with interpenetrating network structure and preparation method thereof | |
| CN111892799A (en) | Low-density flame-retardant polymer product, preparation method and application thereof | |
| CN110128741B (en) | Polyolefin foam material and preparation method thereof | |
| CN110951022A (en) | Conjugate polyether for manufacturing glass fiber composite material and preparation method and application thereof | |
| CA2127565C (en) | Process for the production of reinforced moldings and the resultant products | |
| CN111748154A (en) | High-performance reinforced polypropylene composite material | |
| CN101735397A (en) | Preparation of graft modified high melt elasticity and high extensional viscosity foamed polypropylene material (PP-g-GMA/ST) | |
| CN112654656A (en) | Epoxy composite formulation | |
| CN115073854A (en) | High-temperature-resistant flame-retardant polypropylene foam material and preparation method and application thereof | |
| CN115505161B (en) | Nylon mould pressing foaming material and preparation method thereof | |
| CN109467806A (en) | A kind of preparation method of compound micro-foaming material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |