CN103739948A - Wear-resistant anti-cracking modified plastic special for pump valves and preparation method for same - Google Patents
Wear-resistant anti-cracking modified plastic special for pump valves and preparation method for same Download PDFInfo
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- CN103739948A CN103739948A CN201310685645.9A CN201310685645A CN103739948A CN 103739948 A CN103739948 A CN 103739948A CN 201310685645 A CN201310685645 A CN 201310685645A CN 103739948 A CN103739948 A CN 103739948A
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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
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- 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
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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
- B29C48/36—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
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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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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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
- B29C48/92—Measuring, controlling or regulating
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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
- B29C2948/9258—Velocity
-
- 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
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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
- B29C2948/92819—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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Physics & Mathematics (AREA)
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Abstract
The invention discloses wear-resistant anti-cracking modified plastic special for pump valves and a preparation method for the modified plastic. The wear-resistant anti-cracking modified plastic special for pump valves comprises compositions in percent by mass: 70%-90% of PP homopolymer, 10%-20% of HDPE, 3%-6% of SBS, 1%-5% of EVA, 0.5%-1.5% of EBS, 1%-5% of maleic anhydride grafted PP, 0.3%-1.5% of sorbitol and 0.3%-1% of a UV absorber. The preparation method for the wear-resistant anti-cracking modified plastic special for pump valves comprises: adding polypropylene, high-density polyethylene, the impact-resistant auxiliary agent, the wear-resistant, the lubricant, the anti-oxidation agent and the UV absorber into the coupling agent, stirring and activating, then uniformly mixing with the processing auxiliary agent for grafting, performing melt extrusion by a double-screw extruder, cooling, drying in air, granulating and finally preparing the pump valve. The modified plastic provided by the invention is substantially improved in tensile strength and impact resistant strength, and is improved to a certain extent in chemical resistance and heat resistance; and during preparation of the pump valves, the joint part of the pump valve with metal does not crack and fall off, is stable in dimension, has self-stress resistance, low-temperature resistance, weather resistance, and is increased in chemical stability and strengthened in wear resistance.
Description
Technical field
The invention belongs to polymeric material field, relate in particular to modified plastics of a kind of pump valve Special wear-resistant cracking resistance and preparation method thereof.
Background technology
Above existing market, the basic ultrahigh molecular weight polyethylene that adopts is made pump valve.Ultrahigh molecular weight polyethylene(UHMWPE) (UHMW ~ PE) is a kind of thermoplastic engineering plastic of linear structure, and its molecular formula is :-(-CH2 ~ CH2-)-n-.Ultrahigh molecular weight polyethylene(UHMWPE) is a kind of macromolecular compound, and molecular weight is controlled at as required 150 ~ more than 3,000,000, has superpower wear resistance, self lubricity, the feature such as strength ratio is higher, stable chemical nature, ageing resistance are strong.Due to ultrahigh molecular weight polyethylene(UHMWPE) (
uHMW ~ PE) molecular structure and the reason of molecular aggregates form, make it have that surface hardness is low, physical strength is not high, heat-drawn wire is lower, resistance to elevated temperatures is poor and the shortcoming such as processing difficulties.
Polypropylene is also a kind of application engineering plastics very widely.It is made by propylene polymerization, nontoxic, odorless, tasteless, and density only has 0. 90 ~ ~ 0. 91g/m
3, be one of kind the lightest in current all plastics.Polypropylene has a lot of good characteristics: good mechanical properties, and except shock-resistance, other mechanical properties are all good than polyethylene, and moulding processability is good; Thermotolerance is high, and use temperature can reach 110 ~ 120 ℃ continuously; Chemical property is good, and water suction, does not react with most pharmaceutical chemicalss hardly; Electrical insulating property is good.These advantages are all that other materials does not have, but polypropylene also has the shortcoming of himself.For example polypropylene articles is in use subject to the effect of light, heat and oxygen and is aging; Winter hardiness is poor, and low temperature impact strength is low; Toughness is bad, and static degree is high, and dyeability, printing and tackiness are poor etc.
In conjunction with above both advantage, by polypropylene is carried out to effective modification, just can make the pump valve of producing there is the characteristic of wear-resisting cracking resistance, thereby can produce in enormous quantities, broadened application scope and improve use value.
Summary of the invention
The object of the present invention is to provide modified plastics of a kind of pump valve Special wear-resistant cracking resistance and preparation method thereof, be intended to solve pump valve and adopt superhigh molecular weight polyethylene material to produce, surface hardness is low, physical strength is not high, heat-drawn wire is lower, resistance to elevated temperatures is poor and the problem such as processing difficulties.
The present invention realizes like this, a kind of modified plastics of pump valve Special wear-resistant cracking resistance, the mass ratio of each component of modified plastics of described pump valve Special wear-resistant cracking resistance is: PP homopolymerization 70% ~ 90%, HDPE 10% ~ 20%, SBS3% ~ 6%, EVA1% ~ 5%, EBS0.5% ~ 1.5%, maleic anhydride PP grafting 1% ~ 5%, sorbyl alcohol 0.3% ~ 1.5%, UV0.3% ~ 1%.
The preparation method who another object of the present invention is to provide a kind of modified plastics of pump valve Special wear-resistant cracking resistance, the preparation method's of the modified plastics of described pump valve Special wear-resistant cracking resistance step is as follows:
Step 1,5000g polypropylene, 625gHDPE, 312g shock resistance auxiliary agent, the wear-resistant auxiliary agent of 188g, 65g lubricant, 35g oxidation inhibitor, 35g UV light absorber are stirred and to allow thing fully mix in 10 minutes with 1400rpm in high-speed mixer; Polypropylene, high density polyethylene(HDPE), wear-resistant auxiliary agent are dried to 2 hours with 60 ℃ in stirring at low speed drying machine;
Step 2, the compound obtaining in step 1 is mixed in low-speed mixer with 65g maleic anhydride PP grafting, white oil, PP wax; By dried material and shock resistance auxiliary agent, lubricant in homogenizer with 80 ℃, 1440rpm stir-activating 10 minutes;
Step 3, the compound obtaining in step 2 is mixed in stirring at low speed with oxidation inhibitor, UV light absorber, a little PP wax of a little white oil of coupling agent;
Step 4, by the compound obtaining in step 3 cooling air-drying blank after twin screw extruder melt extrudes.
Further, the concrete steps of the preparation method described in step 3 are as follows:
By the compound obtaining in step 2 cooling air-drying blank after twin screw extruder melt extrudes, the temperature of twin screw extruder arranges as follows: feeding section 160 degree ~ 170 degree, mixing section 180 degree ~ 190 degree, compression section 170 degree ~ 180 degree, die head section 170 degree ~ 180 degree; Main-machine screw rotating speed 250rpm, conveying screw rod rotating speed is 30rpm, charging basket rate of feeding is 20rpm.
Further, the described concrete steps of preparing pump valve are as follows:
Step 1, mould are warmed to 180 degrees Celsius, keep 15 minutes;
Step 2, with single Screw Extrusion melt, extruding melt, put into the mould of heating;
Step 3, the pressure that mould is put into pressure forming machine are 15MP ~ 20MP, and pressurize 10 minutes increases and reduces pressure, mold cools down, the demoulding by the size of product.
Beneficial effect of the present invention is as follows:
1. the tensile strength under polypropylene normal temperature is large, particularly when temperature is spent over 80, polyacrylic tensile strength declines less with temperature rising, even at 100 degree, still retain drop-down half of intensity of stretching of normal temperature, tensile strength after additive modification also will improve many, also larger under polypropene impact-resistant intensity normal temperature, through adding the low-temperature impact resistance after HDPE also to significantly improve.
2. chemical property: acid, alkali, salts solution and a lot of organic solution that polypropylene ability 80 degree are following, add the chemical resistance after oxidation inhibitor also to improve.
3. thermal characteristics: polypropylene good heat resistance is best a kind of of thermotolerance in general-purpose plastics, also can use under 100 degree after heat resistance modified.
The present invention does not ftracture, does not come off in pump valve making processes and melts combine portion, size is steady, anti-self stress, cold resistance, gasproof, increase chemical stability and strengthen wear resisting property, adopt general purpose polypropylene to add HDPE mainly to increase cold resistance and can add toughness, add SBS to increase the additional toughness of shock resistance and wear resistance, add EVA to increase the additional shock resistance of wear resistance, just special in the environment for use chemical resistant properties of pump valve, wear-resisting, shock resistance through modification polypropylene later.
Accompanying drawing explanation
Fig. 1 is preparation method's schema of the modified plastics of a kind of pump valve Special wear-resistant cracking resistance of providing of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention is achieved in that a kind of modified plastics of pump valve Special wear-resistant cracking resistance, and the mass ratio of each component is: PP homopolymerization 70% ~ 90%, and HDPE 10% ~ 20%, SBS3% ~ 6%, EVA1% ~ 5%, EBS0.5% ~ 1.5%, maleic anhydride PP grafting 1% ~ 5%, sorbyl alcohol 0.3% ~ 1.5%, UV0.3% ~ 1%.
As shown in Figure 1, a kind of preparation method's of modified plastics of pump valve Special wear-resistant cracking resistance step is as follows:
S101: polypropylene, high density polyethylene(HDPE), shock resistance auxiliary agent, wear-resistant auxiliary agent, lubricant, oxidation inhibitor, UV light absorber are added to coupling agent stir-activating;
S102: the compound obtaining in S101 is mixed with processing aid grafting;
S103: by the compound obtaining in S102 cooling air-drying blank after twin screw extruder melt extrudes;
S104: prepare pump valve.
Further, the concrete steps of the preparation method described in S101 are as follows:
5000g polypropylene, 625gHDPE, 312g shock resistance auxiliary agent, the wear-resistant auxiliary agent of 188g, 65g lubricant, 35g oxidation inhibitor, 35g UV light absorber are stirred and allow thing fully mix in 10 minutes with 1400rpm in high-speed mixer.
Further, the concrete steps of the preparation method described in S102 are as follows:
The compound obtaining in step 1 is mixed in low-speed mixer with 65g maleic anhydride PP grafting, a little white oil, a little PP wax.
Further, the concrete steps of the preparation method described in S103 are as follows:
By the compound obtaining in S102 cooling air-drying blank after twin screw extruder melt extrudes, the temperature of twin screw extruder arranges as follows: feeding section 160 degree ~ 170 degree, mixing section 180 degree ~ 190 degree, compression section 170 degree ~ 180 degree, die head section 170 degree ~ 180 degree; Main-machine screw rotating speed 250rpm, conveying screw rod rotating speed is 30rpm, charging basket rate of feeding is 20rpm.
Further, the concrete steps of preparing pump valve described in S104 are as follows:
Step 1, mould are warmed to 180 degrees Celsius, keep 15 minutes;
Step 2, with single Screw Extrusion melt, the melt of extruding of certainweight is put into the mould of heating;
Step 3, the pressure that mould is put into pressure forming machine are 15MP ~ 20MP, pressurize 10 minutes, mold cools down, the demoulding.
The present invention does not ftracture, does not come off in pump valve making processes and melts combine portion, and size is steady, anti-self stress, cold resistance, gasproof, increases chemical stability and strengthens wear resisting property.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that performing creative labour can make or distortion still within protection scope of the present invention.
Claims (4)
1. the modified plastics of a pump valve Special wear-resistant cracking resistance, it is characterized in that, the mass ratio of each component of modified plastics of described pump valve Special wear-resistant cracking resistance is: PP homopolymerization 70% ~ 90%, HDPE 10% ~ 20%, SBS3% ~ 6%, EVA1% ~ 5%, EBS0.5% ~ 1.5%, maleic anhydride PP grafting 1% ~ 5%, sorbyl alcohol 0.3% ~ 1.5%, UV0.3% ~ 1%.
2. a preparation method for the modified plastics of pump valve Special wear-resistant cracking resistance, is characterized in that, the preparation method's of the modified plastics of described pump valve Special wear-resistant cracking resistance step is as follows:
Step 1,5000g polypropylene, 625gHDPE, 312g shock resistance auxiliary agent, the wear-resistant auxiliary agent of 188g, 65g lubricant, 35g oxidation inhibitor, 35g UV light absorber are stirred and to allow thing fully mix in 10 minutes with 1400rpm in high-speed mixer; Polypropylene, high density polyethylene(HDPE), wear-resistant auxiliary agent are dried to 2 hours with 60 ℃ in stirring at low speed drying machine;
Step 2, the compound obtaining in step 1 is mixed in low-speed mixer with 65g maleic anhydride PP grafting, white oil, PP wax; By dried material and shock resistance auxiliary agent, lubricant in homogenizer with 80 ℃, 1440rpm stir-activating 10 minutes;
Step 3, the compound obtaining in step 2 is mixed in stirring at low speed with oxidation inhibitor, UV light absorber, a little PP wax of a little white oil of coupling agent;
Step 4, by the compound obtaining in step 3 cooling air-drying blank after twin screw extruder melt extrudes.
3. the preparation method of the modified plastics of pump valve Special wear-resistant cracking resistance as claimed in claim 2, is characterized in that, the concrete steps of the preparation method described in step 3 are as follows:
By the compound obtaining in step 2 cooling air-drying blank after twin screw extruder melt extrudes, the temperature of twin screw extruder arranges as follows: feeding section 160 degree ~ 170 degree, mixing section 180 degree ~ 190 degree, compression section 170 degree ~ 180 degree, die head section 170 degree ~ 180 degree; Main-machine screw rotating speed 250rpm, conveying screw rod rotating speed is 30rpm, charging basket rate of feeding is 20rpm.
4. the preparation method of the modified plastics of pump valve Special wear-resistant cracking resistance as claimed in claim 2, is characterized in that, the described concrete steps of preparing pump valve are as follows:
Step 1, mould are warmed to 180 degrees Celsius, keep 15 minutes;
Step 2, with single Screw Extrusion melt, extruding melt, put into the mould of heating;
Step 3, the pressure that mould is put into pressure forming machine are 15MP ~ 20MP, and pressurize 10 minutes increases and reduces pressure, mold cools down, the demoulding by the size of product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685645.9A CN103739948A (en) | 2013-12-16 | 2013-12-16 | Wear-resistant anti-cracking modified plastic special for pump valves and preparation method for same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310685645.9A CN103739948A (en) | 2013-12-16 | 2013-12-16 | Wear-resistant anti-cracking modified plastic special for pump valves and preparation method for same |
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| CN103739948A true CN103739948A (en) | 2014-04-23 |
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Citations (7)
| 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 |
| CN102492216A (en) * | 2011-11-14 | 2012-06-13 | 江苏金发科技新材料有限公司 | Polypropylene material with paint spraying effect and preparation method for polypropylene material |
| CN102838859A (en) * | 2012-09-28 | 2012-12-26 | 江苏嘉铂新材料有限公司 | Nanometer bentonite composite flame-retardant polylactic acid bioplastics and preparation method thereof |
| CN103030876A (en) * | 2012-12-24 | 2013-04-10 | 江苏金发科技新材料有限公司 | Low gloss scratch resistant glass fiber reinforced PP composite material and preparation method thereof |
| CN103030887A (en) * | 2012-12-25 | 2013-04-10 | 江苏金发科技新材料有限公司 | Glass fiber reinforced polypropylene composite especially used for automobile vertical columns and having excellent low-temperature bursting property, and preparation method thereof |
| CN103044775A (en) * | 2012-12-26 | 2013-04-17 | 江苏金发科技新材料有限公司 | Glass fiber reinforced polypropylene composite material for car radiator grid and preparation process thereof |
| CN103113662A (en) * | 2011-11-17 | 2013-05-22 | 上海金发科技发展有限公司 | Low-odor ultrahigh-toughness polypropylene compound and preparation method thereof |
-
2013
- 2013-12-16 CN CN201310685645.9A patent/CN103739948A/en active Pending
Patent Citations (7)
| 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 |
| CN102492216A (en) * | 2011-11-14 | 2012-06-13 | 江苏金发科技新材料有限公司 | Polypropylene material with paint spraying effect and preparation method for polypropylene material |
| CN103113662A (en) * | 2011-11-17 | 2013-05-22 | 上海金发科技发展有限公司 | Low-odor ultrahigh-toughness polypropylene compound and preparation method thereof |
| CN102838859A (en) * | 2012-09-28 | 2012-12-26 | 江苏嘉铂新材料有限公司 | Nanometer bentonite composite flame-retardant polylactic acid bioplastics and preparation method thereof |
| CN103030876A (en) * | 2012-12-24 | 2013-04-10 | 江苏金发科技新材料有限公司 | Low gloss scratch resistant glass fiber reinforced PP composite material and preparation method thereof |
| CN103030887A (en) * | 2012-12-25 | 2013-04-10 | 江苏金发科技新材料有限公司 | Glass fiber reinforced polypropylene composite especially used for automobile vertical columns and having excellent low-temperature bursting property, and preparation method thereof |
| CN103044775A (en) * | 2012-12-26 | 2013-04-17 | 江苏金发科技新材料有限公司 | Glass fiber reinforced polypropylene composite material for car radiator grid and preparation process thereof |
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Application publication date: 20140423 |