CN107118462A - A kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials - Google Patents
A kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials Download PDFInfo
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- CN107118462A CN107118462A CN201710348620.8A CN201710348620A CN107118462A CN 107118462 A CN107118462 A CN 107118462A CN 201710348620 A CN201710348620 A CN 201710348620A CN 107118462 A CN107118462 A CN 107118462A
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- mpr
- hot melt
- pvc
- rubber hot
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials, the MPR/PVC rubber hot melts material includes the component of following mass parts：MPR100 parts of rubber hot melt, 100 parts of polyvinyl chloride resin, 28 parts of calcium carbonate, 25 35 parts of plasticizer, 1.5 3 parts of compatilizer, 35 parts of stabilizer, 24 parts of processing aid, 0.3 0.6 parts of toner, 0.1 0.3 parts of ultra-violet absorber, 0.2 0.5 parts of antioxidant, 0.2 0.3 parts of lubricant.The present invention is combined MPR with both PVC advantage, fundamentally solves shortcoming between the two, reduces MPR material costs；Improve PVC material flow index；In addition, present invention increase PVC resists mouldy, rub resistance abrasion function and fatigue performance so that PVC material has extremely excellent weatherability, ultraviolet resistance, resistance to ozone and chemical-resistant characteristic；Invention enhances the screen resilience of MPR elastomeric materials, long compressive deformation rate is low, and tensile strength and fracture elongation are big, have vibrations resistance and mute function to product.
Description
Technical field
The present invention relates to a kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials, belong to heat
Fusibleness elastomeric material synthesizes processing technique field.
Background technology
The rubber of early stage is taken from flexible, the insulation being made after the latex of the plants such as rubber tree, kok-saghyz, processing
Property, the material of impermeable water and air.Elastomeric high-molecular compound.It is divided into two kinds of natural rubber and synthetic rubber.Natural rubber
Glue is made of the extraction colloid post-processing from the plants such as rubber tree, kok-saghyz；Synthetic rubber is then by the aggregated reaction of various monomers
And obtain.Rubber is widely used in all aspects of industry or life.PVC material is polyvinyl chloride, and it is that yield is maximum in the world
One of plastic product, it is cheap, be widely used, Corvic is white or buff powder, can not individually be used,
Have to pass through modification.PVC is the white powder of impalpable structure, and the degree of branching is smaller, and the stability to light and heat is poor.According to difference
Purposes can add different additives, different physical properties and mechanical property can be presented in igelite.In polychlorostyrene
Appropriate plasticizer is added in vinyl, a variety of hard, soft and transparent article is can be made into.
The MPR rubber hot melts material that the current country is used all is U.S. public affairs Advanced PolymerProduction
, its remarkable machinery and physical property are widely used on the close envelope Strip of vapour door and window；But its is expensive；The country adds
Work technique, equipment are difficult to adapt to；Finished product rate is low；In addition, PVC material is used for the close envelope Strip of vapour door and window, there is not antifriction
Wiping, poor fatigue performance, processing temperature narrow range, extremely low screen resilience, tensile strength and the defect such as fracture elongation is small.Therefore,
A kind of new synthesis process technology scheme of design is needed, comprehensive can overcome the shortcomings of that above-mentioned prior art is present.
The content of the invention
The present invention is exactly in view of the deficienciess of the prior art, the automotive sealant for providing a kind of high-performance easy processing is used
MPR/PVC rubber hot melt materials, MPR and PVC both superiority are combined, fundamentally solve between the two scarce
Point, while reducing MPR material costs；PVC material flow index is improved, processing periodic is short, greatly improves production efficiency, it is full
Sufficient actual operation requirements.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials, the MPR/PVC hot melts
Elastomeric material includes the component of following mass parts：MPR100 parts of rubber hot melt, 100 parts of polyvinyl chloride resin, 28 parts of calcium carbonate, plasticising
25-35 parts of agent, 1.5-3 parts of compatilizer, 3-5 parts of stabilizer, 2-4 parts of processing aid, 0.3-0.6 parts of toner, ultra-violet absorber
0.1-0.3 parts, 0.2-0.5 parts of antioxidant, 0.2-0.3 parts of lubricant.
As the improvement of above-mentioned technical proposal, the calcium carbonate includes dicalcium powder and light calcium carbonate powder, wherein, the dicalcium powder is
The powdered whiting of particle diameter≤10 μm by surface activation process, the light calcium carbonate powder is particle diameter≤10nm precipitated calcium carbonate.
As the improvement of above-mentioned technical proposal, the rubber hot melt MPR is 2070, the polyvinyl chloride resin be the degree of polymerization >=
2000 suspension method resin.
As the improvement of above-mentioned technical proposal, the plasticizer is DOP30-35 parts of dioctyl phthalate, hexanedioic acid
DOA25-35 parts of dioctyl ester, ESO10-20 parts of epoxidized soybean oil, the mixture that TOTM25-35 parts of trioctyl trimellitate (TOTM).
As the improvement of above-mentioned technical proposal, the stabilizer is the environmentally friendly compound stabilizer of calcium zinc class, and the compatilizer is
Nitrile rubber NBRP83, the processing aid is acrylic polymer P551, and the antioxidant is BASF 1010, described
Lubricant is paraffin, and the ultraviolet absorber is BASF UV-329, and the toner is the carbon black powder of coloring plastic.
Specifically, the preparation of the automotive sealant MPR/PVC rubber hot melt materials of a kind of high-performance easy processing
Method is as follows：
Step (1)：By above-mentioned polyvinyl chloride resin, dicalcium powder, light calcium carbonate powder, stabilizer, processing aid, antioxidant, lubricant, purple
Outer absorbent, toner are proportionally added into homogenizer, are added in two times with the plasticizer got ready, stirring in whipping process
Machine rotating speed 600-800rpm, makes mixing material temperature be raised to 125 DEG C；
Step (2)：Material in step (1) high speed mixer is released, is added in low-speed mixer and cools, simultaneously
It is 2070 to add rubber hot melt MPR, and compatilizer NBRP83 is added when temperature drops to 55 degree, is stirred for 1-3 minutes, and mixing is equal
Discharged after even；
Step (3)：The material that step (2) is stirred is put into single screw extrusion machine, 125-160 DEG C of rotating speed of plasticization temperature
15-18rpm, cylindrical particle is cut into by extruding twice, most obtains material of the present invention after air-cooled afterwards.
Compared with prior art, implementation result of the invention is as follows by the present invention：
The present invention is combined MPR with both PVC advantage, fundamentally solves shortcoming between the two, reduce MPR materials into
This；Improve PVC material flow index；In addition, present invention increase PVC resists mouldy, rub resistance abrasion function and fatigue performance, make
Obtain PVC material and have extremely excellent weatherability, ultraviolet resistance, resistance to ozone and chemical-resistant characteristic；Invention enhances MPR elastomeric materials
Screen resilience, long compressive deformation rate is low, and tensile strength and fracture elongation are big, have vibrations resistance and Jing Yin work(to product
Energy.
Note：The end-use temperature of the present invention is by -80 DEG C to 120 DEG C, and material need not be predrying, need only open packaging
Bag, just can be used, periodically short, can improve production efficiency.
Embodiment
Illustrate present disclosure below in conjunction with specific embodiments.
Note 1：The end-use temperature of the present invention is by -80 DEG C to 120 DEG C, and material need not be predrying, need only open packaging
Bag, just can be used, periodically short, can improve production efficiency.
Note 2：The present invention can be used for PVC moulds, is designed without change, can be applied to the product mold of pole somewhat complex design.
Embodiment 1：
A kind of automotive sealant of high-performance easy processing of the present invention with MPR/PVC rubber hot melts material include with
The component of lower mass parts：MPR100 parts of rubber hot melt, 100 parts of polyvinyl chloride resin, 28 parts of calcium carbonate, 25 parts of plasticizer, compatilizer
1.5 parts, 3 parts of stabilizer, 2 parts of processing aid, 0.3 part of toner, 0.1 part of ultra-violet absorber, 0.2 part of antioxidant, lubricant 0.2
Part.
Further with improvement, the calcium carbonate includes dicalcium powder and light calcium carbonate powder, wherein, the dicalcium powder is lived by surface
Change the powdered whiting of particle diameter≤10 μm of processing, the light calcium carbonate powder is particle diameter≤10nm precipitated calcium carbonate.
Further with improvement, the rubber hot melt MPR is 2070, and the polyvinyl chloride resin is the suspension of the degree of polymerization >=2000
Method resin.
Further with improvement, the plasticizer is DOP30-35 parts of dioctyl phthalate, hexanedioic acid dioctyl ester DOA25
Part, ESO10 parts of epoxidized soybean oil, the mixture that TOTM25 parts of trioctyl trimellitate (TOTM).
Further with improvement, the stabilizer is the environmentally friendly compound stabilizer of calcium zinc class, and the compatilizer is nitrile rubber
NBRP83, the processing aid is acrylic polymer P551, and the antioxidant is BASF 1010, and the lubricant is
Paraffin, the ultraviolet absorber is BASF UV-329, and the toner is the carbon black powder of coloring plastic.
More specifically, the preparation side of the automotive sealant MPR/PVC rubber hot melt materials of the high-performance easy processing
Method is as follows：
Step (1)：By above-mentioned polyvinyl chloride resin, dicalcium powder, light calcium carbonate powder, stabilizer, processing aid, antioxidant, lubricant, purple
Outer absorbent, toner are proportionally added into homogenizer, are added in two times with the plasticizer got ready, stirring in whipping process
Machine rotating speed 600rpm, makes mixing material temperature be raised to 125 DEG C；
Step (2)：Material in step (1) high speed mixer is released, is added in low-speed mixer and cools, simultaneously
It is 2070 to add rubber hot melt MPR, and compatilizer NBRP83 is added when temperature drops to 55 degree, is stirred for 1 minute, is well mixed
After discharge；
Step (3)：The material that step (2) is stirred is put into single screw extrusion machine, 125 DEG C of rotating speeds of plasticization temperature
15rpm, cylindrical particle is cut into by extruding twice, most obtains material of the present invention after air-cooled afterwards.
The present invention is combined MPR with both PVC advantage, fundamentally solves shortcoming between the two, reduce MPR materials into
This；Improve PVC material flow index；In addition, present invention increase PVC resists mouldy, rub resistance abrasion function and fatigue performance, make
Obtain PVC material and have extremely excellent weatherability, ultraviolet resistance, resistance to ozone and chemical-resistant characteristic；Invention enhances MPR elastomeric materials
Screen resilience, long compressive deformation rate is low, and tensile strength and fracture elongation are big, have vibrations resistance and Jing Yin work(to product
Energy.
Especially-note：Parameter in preparation technology of the present invention can specifically be set according to the required end properties reached.
Embodiment 2：
A kind of automotive sealant of high-performance easy processing of the present invention with MPR/PVC rubber hot melts material include with
The component of lower mass parts：MPR100 parts of rubber hot melt, 100 parts of polyvinyl chloride resin, 28 parts of calcium carbonate, 30 parts of plasticizer, compatilizer
2.25 parts, 4 parts of stabilizer, 3 parts of processing aid, 0.45 part of toner, 0.2 part of ultra-violet absorber, 0.35 part of antioxidant, lubricant
0.25 part.
Further with improvement, the calcium carbonate includes dicalcium powder and light calcium carbonate powder, wherein, the dicalcium powder is lived by surface
Change the powdered whiting of particle diameter≤10 μm of processing, the light calcium carbonate powder is particle diameter≤10nm precipitated calcium carbonate.
Further with improvement, the rubber hot melt MPR is 2070, and the polyvinyl chloride resin is the suspension of the degree of polymerization >=2000
Method resin.
Further with improvement, the plasticizer is DOP32.5 parts of dioctyl phthalate, hexanedioic acid dioctyl ester DOA30
Part, ESO15 parts of epoxidized soybean oil, the mixture that TOTM30 parts of trioctyl trimellitate (TOTM).
Further with improvement, the stabilizer is the environmentally friendly compound stabilizer of calcium zinc class, and the compatilizer is nitrile rubber
NBRP83, the processing aid is acrylic polymer P551, and the antioxidant is BASF 1010, and the lubricant is
Paraffin, the ultraviolet absorber is BASF UV-329, and the toner is the carbon black powder of coloring plastic.
More specifically, the preparation side of the automotive sealant MPR/PVC rubber hot melt materials of the high-performance easy processing
Method is as follows：
Step (1)：By above-mentioned polyvinyl chloride resin, dicalcium powder, light calcium carbonate powder, stabilizer, processing aid, antioxidant, lubricant, purple
Outer absorbent, toner are proportionally added into homogenizer, are added in two times with the plasticizer got ready, stirring in whipping process
Machine rotating speed 700rpm, makes mixing material temperature be raised to 125 DEG C；
Step (2)：Material in step (1) high speed mixer is released, is added in low-speed mixer and cools, simultaneously
It is 2070 to add rubber hot melt MPR, and compatilizer NBRP83 is added when temperature drops to 55 degree, is stirred for 2 minutes, is well mixed
After discharge；
Step (3)：The material that step (2) is stirred is put into single screw extrusion machine, 142.5 DEG C of rotating speeds of plasticization temperature
16.5rpm, cylindrical particle is cut into by extruding twice, most obtains material of the present invention after air-cooled afterwards.
The present invention is combined MPR with both PVC advantage, fundamentally solves shortcoming between the two, reduce MPR materials into
This；Improve PVC material flow index；In addition, present invention increase PVC resists mouldy, rub resistance abrasion function and fatigue performance, make
Obtain PVC material and have extremely excellent weatherability, ultraviolet resistance, resistance to ozone and chemical-resistant characteristic；Invention enhances MPR elastomeric materials
Screen resilience, long compressive deformation rate is low, and tensile strength and fracture elongation are big, have vibrations resistance and Jing Yin work(to product
Energy.
Especially-note：Parameter in preparation technology of the present invention can specifically be set according to the required end properties reached.
Embodiment 3：
A kind of automotive sealant of high-performance easy processing of the present invention with MPR/PVC rubber hot melts material include with
The component of lower mass parts：MPR100 parts of rubber hot melt, 100 parts of polyvinyl chloride resin, 28 parts of calcium carbonate, 35 parts of plasticizer, compatilizer 3
Part, 5 parts of stabilizer, 4 parts of processing aid, 0.6 part of toner, 0.3 part of ultra-violet absorber, 0.5 part of antioxidant, 0.3 part of lubricant.
Further with improvement, the calcium carbonate includes dicalcium powder and light calcium carbonate powder, wherein, the dicalcium powder is lived by surface
Change the powdered whiting of particle diameter≤10 μm of processing, the light calcium carbonate powder is particle diameter≤10nm precipitated calcium carbonate.
Further with improvement, the rubber hot melt MPR is 2070, and the polyvinyl chloride resin is the suspension of the degree of polymerization >=2000
Method resin.
Further with improvement, the plasticizer is DOP30-35 parts of dioctyl phthalate, hexanedioic acid dioctyl ester DOA35
Part, ESO20 parts of epoxidized soybean oil, the mixture that TOTM35 parts of trioctyl trimellitate (TOTM).
Further with improvement, the stabilizer is the environmentally friendly compound stabilizer of calcium zinc class, and the compatilizer is nitrile rubber
NBRP83, the processing aid is acrylic polymer P551, and the antioxidant is BASF 1010, and the lubricant is
Paraffin, the ultraviolet absorber is BASF UV-329, and the toner is the carbon black powder of coloring plastic.
More specifically, the preparation side of the automotive sealant MPR/PVC rubber hot melt materials of the high-performance easy processing
Method is as follows：
Step (1)：By above-mentioned polyvinyl chloride resin, dicalcium powder, light calcium carbonate powder, stabilizer, processing aid, antioxidant, lubricant, purple
Outer absorbent, toner are proportionally added into homogenizer, are added in two times with the plasticizer got ready, stirring in whipping process
Machine rotating speed 800rpm, makes mixing material temperature be raised to 125 DEG C；
Step (2)：Material in step (1) high speed mixer is released, is added in low-speed mixer and cools, simultaneously
It is 2070 to add rubber hot melt MPR, and compatilizer NBRP83 is added when temperature drops to 55 degree, is stirred for 3 minutes, is well mixed
After discharge；
Step (3)：The material that step (2) is stirred is put into single screw extrusion machine, 160 DEG C of rotating speeds of plasticization temperature
18rpm, cylindrical particle is cut into by extruding twice, most obtains material of the present invention after air-cooled afterwards.
The present invention is combined MPR with both PVC advantage, fundamentally solves shortcoming between the two, reduce MPR materials into
This；Improve PVC material flow index；In addition, present invention increase PVC resists mouldy, rub resistance abrasion function and fatigue performance, make
Obtain PVC material and have extremely excellent weatherability, ultraviolet resistance, resistance to ozone and chemical-resistant characteristic；Invention enhances MPR elastomeric materials
Screen resilience, long compressive deformation rate is low, and tensile strength and fracture elongation are big, have vibrations resistance and Jing Yin work(to product
Energy.
Especially-note：Parameter in preparation technology of the present invention can specifically be set according to the required end properties reached.
Above content is made for the present invention in conjunction with specific embodiments describes in detail, it is impossible to assert that the present invention is specific real
Apply and be only limitted to these explanations.For those skilled in the art, before present inventive concept is not departed from
Put, some simple deduction or replace can also be made, the scope of protection of the invention should be all considered as belonging to.
Claims (6)
1. a kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials, it is characterised in that：The MPR/
PVC rubber hot melts material includes the component of following mass parts：MPR100 parts of rubber hot melt, 100 parts of polyvinyl chloride resin, calcium carbonate
28 parts, it is 25-35 parts of plasticizer, 1.5-3 parts of compatilizer, 3-5 parts of stabilizer, 2-4 parts of processing aid, 0.3-0.6 parts of toner, ultraviolet
0.1-0.3 parts of light absorbers, 0.2-0.5 parts of antioxidant, 0.2-0.3 parts of lubricant.
2. a kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials according to claim 1, its
It is characterised by：The calcium carbonate includes dicalcium powder and light calcium carbonate powder, wherein, the dicalcium powder is the particle diameter by surface activation process
≤ 10 μm of powdered whiting, the light calcium carbonate powder is particle diameter≤10nm precipitated calcium carbonate.
3. a kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials according to claim 1, its
It is characterised by：The rubber hot melt MPR is 2070, and the polyvinyl chloride resin is the suspension method resin of the degree of polymerization >=2000.
4. a kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials according to claim 1, its
It is characterised by：The plasticizer be DOP30-35 parts of dioctyl phthalate, DOA25-35 parts of hexanedioic acid dioctyl ester, epoxy is big
ESO10-20 parts of soya-bean oil, the mixture that TOTM25-35 parts of trioctyl trimellitate (TOTM).
5. a kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials according to claim 1, its
It is characterised by：The stabilizer is the environmentally friendly compound stabilizer of calcium zinc class, and the compatilizer is nitrile rubber NBRP83, the processing
Auxiliary agent is acrylic polymer P551, and the antioxidant is BASF 1010, and the lubricant is paraffin, the ultraviolet suction
Receipts agent is BASF UV-329, and the toner is the carbon black powder of coloring plastic.
6. a kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials according to claim 1-5
Preparation method, it is characterised in that：The preparation method is as follows：
Step (1)：By above-mentioned polyvinyl chloride resin, dicalcium powder, light calcium carbonate powder, stabilizer, processing aid, antioxidant, lubricant, ultraviolet suction
Receive agent, toner to be proportionally added into homogenizer, added in two times in whipping process with the plasticizer got ready, mixer turns
Fast 600-800rpm, makes mixing material temperature be raised to 125 DEG C；
Step (2)：Material in step (1) high speed mixer is released, is added in low-speed mixer and cools, is added simultaneously
Rubber hot melt MPR is 2070, and compatilizer NBRP83 is added when temperature drops to 55 degree, is stirred for 1-3 minutes, after being well mixed
Discharging；
Step (3)：The material that step (2) is stirred is put into single screw extrusion machine, 125-160 DEG C of rotating speed 15- of plasticization temperature
18rpm, cylindrical particle is cut into by extruding twice, most obtains material of the present invention after air-cooled afterwards.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348620.8A CN107118462A (en) | 2017-05-17 | 2017-05-17 | A kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348620.8A CN107118462A (en) | 2017-05-17 | 2017-05-17 | A kind of automotive sealant of high-performance easy processing MPR/PVC rubber hot melt materials |
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| CN107118462A true CN107118462A (en) | 2017-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880440A (en) * | 2017-11-21 | 2018-04-06 | 孙荣华 | PVC, MPR blending and modifying formula |
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| CN106459475A (en) * | 2014-05-12 | 2017-02-22 | 斯道拉恩索公司 | Electrically dissipative elastomer composition comprising conductive carbon powder emanating from lignin, a method for the manufacturing thereof and use thereof |
| CN106188968A (en) * | 2016-08-09 | 2016-12-07 | 无锡同济新型材料有限公司 | The automotive sealant PVC/NBR thermoplastic elastomer (TPE) of a kind of anti-mixing mycete and preparation method |
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Application publication date: 20170901 |