CN110698771A - TPV micro-foaming material and production process thereof - Google Patents
TPV micro-foaming material and production process thereof Download PDFInfo
- Publication number
- CN110698771A CN110698771A CN201910923562.6A CN201910923562A CN110698771A CN 110698771 A CN110698771 A CN 110698771A CN 201910923562 A CN201910923562 A CN 201910923562A CN 110698771 A CN110698771 A CN 110698771A
- Authority
- CN
- China
- Prior art keywords
- parts
- vulcanizing agent
- combination
- proportion
- tpv
- 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
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
-
- 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
- C08J9/0028—Use of organic additives containing nitrogen
-
- 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
- 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
- C08J9/0066—Use of inorganic compounding ingredients
-
- 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
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/044—Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
-
- 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
- C08J2391/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2391/06—Waxes
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
-
- 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
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- 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
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
Abstract
The invention discloses a TPV micro-foaming material which comprises the following components in parts by weight: 20-70 parts of polypropylene, 40-80 parts of ethylene propylene diene monomer, 20-80 parts of paraffin oil, 1-3 parts of color master batch, 1-8 parts of main vulcanizing agent combination, 1-10 parts of auxiliary vulcanizing agent combination, 0.2-1 part of antioxidant combination, 10-15 parts of inorganic filler and 0.1-5 parts of lubricant; wherein, the main vulcanizing agent is composed of phenolic resin and peroxide according to the proportion of 1: (0.1-1.5), and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: (0.5-5), and compounding the antioxidant combination according to the proportion of 1: (0.5-3), and the TPV micro-foaming material has the advantages of low cost, high foaming rate, higher melt strength and good fluidity.
Description
Technical Field
The invention relates to the field of building sealing, in particular to a TPV micro-foaming material and a production process thereof.
Background
The materials mainly used for building sealing at present comprise ethylene propylene diene monomer, TPV, TPE, PVC and the like, the molding cost of the ethylene propylene diene monomer and the cost of raw materials are high, and the application range of the ethylene propylene diene monomer is limited.
Disclosure of Invention
The first technical problem to be solved by the invention is as follows: the TPV micro-foaming material is low in cost, high in foaming rate, high in melt strength and good in flowability, and solves the problems that the conventional TPV material applied to the field of building sealing is high in cost and insufficient in foaming rate.
In order to solve the first technical problem, the technical scheme of the invention is as follows: the TPV micro-foaming material comprises the following components in parts by weight: 20-70 parts of polypropylene, 40-80 parts of ethylene propylene diene monomer, 20-80 parts of paraffin oil, 1-3 parts of color master batch, 1-8 parts of main vulcanizing agent combination, 1-10 parts of auxiliary vulcanizing agent combination, 0.2-1 part of antioxidant combination, 10-15 parts of inorganic filler and 0.1-5 parts of lubricant;
wherein the main vulcanizing agent is composed of phenolic resin and peroxide according to the weight ratio of 1: (0.1-1.5) mixing in proportion,
the auxiliary vulcanizing agent combination is stannous chloride and bismaleimide, and the weight ratio of the auxiliary vulcanizing agent combination is 1: (0.5-5) mixing in proportion,
the antioxidant combination is hindered phenol antioxidant and phosphite ester according to the weight ratio of 1: (0.5-3) mixing in proportion.
Preferably, the vulcanized rubber comprises 20 parts of polypropylene, 80 parts of ethylene propylene diene monomer, 80 parts of paraffin oil, 3 parts of color master batch, 1 part of antioxidant combination, 8 parts of main vulcanizing agent combination, 10 parts of auxiliary vulcanizing agent combination, 15 parts of inorganic filler and 5 parts of lubricant, wherein the main vulcanizing agent combination is phenolic resin and peroxide, and the weight ratio of the phenolic resin to the peroxide is 1: 1.5, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 5, compounding the antioxidant combination according to the proportion of 1: 3, compounding in proportion.
Preferably, the vulcanized rubber comprises 70 parts of polypropylene, 40 parts of ethylene propylene diene monomer, 20 parts of paraffin oil, 1 part of color master batch, 0.2 part of antioxidant combination, 1 part of main vulcanizing agent combination, 1 part of auxiliary vulcanizing agent combination, 10 parts of inorganic filler and 0.1 part of lubricant, wherein the main vulcanizing agent combination is prepared by mixing phenolic resin and peroxide according to the weight ratio of 1: 0.1, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 0.5, wherein the antioxidant combination is hindered phenol antioxidant and phosphite ester according to the weight ratio of 1: 0.5 proportion.
Preferably, the vulcanized rubber comprises 25 parts of polypropylene, 60 parts of ethylene propylene diene monomer, 60 parts of paraffin oil, 2.5 parts of color master batch, 0.8 part of antioxidant combination, 6 parts of main vulcanizing agent combination, 6 parts of auxiliary vulcanizing agent combination, 12 parts of inorganic filler and 1 part of lubricant, wherein the main vulcanizing agent combination is prepared by mixing phenolic resin and peroxide according to the weight ratio of 1: 0.6, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 3, compounding the antioxidant combination according to the proportion of 1: 2, compounding in proportion.
Preferably, the vulcanized rubber comprises 50 parts of polypropylene, 50 parts of ethylene propylene diene monomer, 60 parts of paraffin oil, 2 parts of color master batch, 0.5 part of antioxidant combination, 5 parts of main vulcanizing agent combination, 4 parts of auxiliary vulcanizing agent combination, 13 parts of inorganic filler and 3 parts of lubricant, wherein the main vulcanizing agent combination is prepared by mixing phenolic resin and peroxide according to the weight ratio of 1: 1, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 2, compounding the antioxidant combination according to the proportion of 1: 1 proportion and compounding.
Preferably, the inorganic filler is one or more of talcum powder, calcium carbonate, kaolin, carbon black and white carbon black.
Preferably, the lubricant is one or more of stearate, silicone and wax.
After the first technical scheme is adopted, the invention has the effects that: the TPV micro-foaming material has the advantages of low cost, high foaming rate, high melt strength and relatively good fluidity, the melt strength of the TPV micro-foaming material is improved through the vulcanization of a phenolic aldehyde system, the fluidity of the TPV micro-foaming material is improved through the vulcanization of a peroxide system, the TPV micro-foaming material is stirred and mixed with a physical foaming agent during use, and a product with a micro-foaming state is produced through single-screw extrusion or injection molding.
The second technical problem to be solved by the invention is: the production process of the TPV micro-foaming material solves the problems of high cost and low foaming rate of the conventional TPV material.
In order to solve the second technical problem, the technical solution of the present invention is: a production process of a TPV micro-foaming material comprises the following process steps:
1) preparing a semi-finished product: the polypropylene, the ethylene propylene diene monomer rubber, the inorganic filler, the color master batch, the antioxidant combination and the lubricant in the components of the claim 1 are added into a hopper of a double-screw extruder in proportion through a weightless feeding scale, the rotation speed of a main machine is 300-450 RMP, the melting and blending are carried out at the temperature of 150-230 ℃, the oil injection is carried out in any one of the 3 rd-7 th zones of the double screws through a gear pump, and after the ethylene propylene diene monomer rubber is completely absorbed, the semi-finished product particles are prepared through underwater grain cutting equipment.
2) And (3) preparing a finished product: and putting the mixture carrying the carrier by the vulcanizing agent combination and the co-vulcanizing agent combination and the semi-finished product particles into a hopper of a double-screw extruder through different weightless feeding scales, carrying out melt blending at the main machine rotating speed of 300-550 RMP and the temperature of 160-220 ℃, naturally removing volatile matters, carrying out vulcanization reaction, vacuumizing to remove the volatile matters, and then carrying out underwater pelletizing equipment to prepare the finished product particles.
Preferably, the mixture is talc or calcium carbonate.
After the second technical scheme is adopted, the invention has the following effects: the TPV micro-foaming material produced by the production process has high foaming rate, higher melt strength and relatively better fluidity.
The components of the TPV microfoaming material are explained below:
the effect of the polypropylene, PP and the continuous phase can enable the TPV to have thermoplastic processing performance and is used for improving the strength of the TPV;
the EPDM, the sea island phase, is used for improving the elasticity of TPV;
the paraffin oil is used for plasticizing the ethylene propylene diene monomer rubber, so that the ethylene propylene diene monomer rubber has stronger processability;
the color master batch is used for coloring;
the antioxidant is used for protecting the polypropylene chain segment from being degraded;
the function of the primary vulcanizing agent is used for primary crosslinking;
the function of the co-vulcanizing agent is used for assisting crosslinking;
the function of the inorganic filler is used for enhancing the mechanical properties of the TPV, such as strength and elongation at break;
the lubricant is used for internal and external lubrication of the TPV.
Under the synergistic effect of the components, the TPV micro-foaming material has high foaming rate, higher melt strength and good fluidity, can better insulate heat, cool and sound, and obviously improves the aging resistance.
Detailed Description
The present invention is described in further detail below with reference to specific examples.
The TPV micro-foaming material comprises the following components in parts by weight: 20-70 parts of polypropylene, 40-80 parts of ethylene propylene diene monomer, 20-80 parts of paraffin oil, 1-3 parts of color master batch, 1-8 parts of main vulcanizing agent combination, 1-10 parts of auxiliary vulcanizing agent combination, 0.2-1 part of antioxidant combination, 10-15 parts of inorganic filler and 0.1-5 parts of lubricant;
wherein, the main vulcanizing agent is composed of phenolic resin and peroxide according to the proportion of 1: (0.1-1.5), and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: (0.5-5), and compounding the antioxidant combination according to the proportion of 1: (0.5-3) mixing in proportion.
The inorganic filler is one or more of talcum powder, calcium carbonate, kaolin, carbon black and white carbon black.
The lubricant is one or more of stearate, silicone and wax.
The production process of the TPV micro-foaming material comprises the following process steps:
1) preparing a semi-finished product: the polypropylene, the ethylene propylene diene monomer rubber, the inorganic filler, the color master batch, the antioxidant combination and the lubricant in the components are added into a hopper of a double-screw extruder in proportion through a weightless feeding scale, the rotation speed of a main machine is 300-450 RMP, the melting and blending are carried out at the temperature of 150-230 ℃, the gear pump oil injection is carried out in any one of 3 rd to 7 th zones of the double screws, and after the ethylene propylene diene monomer rubber is completely absorbed, the semi-finished product particles are prepared through underwater grain cutting equipment.
2) And (3) preparing a finished product: and putting the mixture carrying the carrier by the vulcanizing agent combination and the co-vulcanizing agent combination and the semi-finished product particles into a hopper of a double-screw extruder through different weightless feeding scales, carrying out melt blending at the main machine rotating speed of 300-550 RMP and the temperature of 160-220 ℃, naturally removing volatile matters, carrying out vulcanization reaction, vacuumizing to remove the volatile matters, and then carrying out underwater pelletizing equipment to prepare the finished product particles.
Wherein, the mixture of the carrier is selected from talcum powder or calcium carbonate.
Example 1
20 parts of polypropylene, 80 parts of ethylene propylene diene monomer, 80 parts of paraffin oil, 3 parts of color master batch, 1 part of antioxidant combination, 8 parts of main vulcanizing agent combination, 10 parts of auxiliary vulcanizing agent combination, 15 parts of inorganic filler and 5 parts of lubricant, wherein the main vulcanizing agent combination is phenolic resin and peroxide, and the weight ratio of the main vulcanizing agent combination is 1: 1.5, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 5, compounding the antioxidant combination according to the proportion of 1: 3, compounding in proportion.
The inorganic filler is talcum powder, and the lubricant is stearate.
The production process of the TPV micro-foaming material comprises the following process steps:
1) preparing a semi-finished product: polypropylene, ethylene propylene diene monomer, inorganic filler, color master batch, antioxidant combination and lubricant in the components are added into a hopper of a double-screw extruder in proportion through a weightless feeding scale, the rotation speed of a main machine is 300RMP, the melting and blending are carried out at the temperature of 150 ℃, oil is injected into any one zone of a 3 rd zone of the double screws through a gear pump, and after the ethylene propylene diene monomer is completely absorbed, semi-finished product particles are prepared through underwater pelletizing equipment.
2) And (3) preparing a finished product: and putting the mixture carrying the carrier by the vulcanizing agent combination and the co-vulcanizing agent combination and the semi-finished product particles into a hopper of a double-screw extruder through different weightless feeding scales, carrying out melt blending at the main machine rotating speed of 300RMP and the temperature of 160 ℃, naturally removing volatile matters, carrying out vulcanization reaction, vacuumizing to remove the volatile matters, and then preparing the finished product particles by underwater pelletizing equipment.
Wherein, the mixture of the carrier is talcum powder.
Example 2
70 parts of polypropylene, 40 parts of ethylene propylene diene monomer, 20 parts of paraffin oil, 1 part of color master batch, 0.2 part of antioxidant combination, 1 part of main vulcanizing agent combination, 1 part of auxiliary vulcanizing agent combination, 10 parts of inorganic filler and 0.1 part of lubricant, wherein the main vulcanizing agent combination is phenolic resin and peroxide, and the weight ratio of the phenolic resin to the peroxide is 1: 0.1, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 0.5, wherein the antioxidant combination is hindered phenol antioxidant and phosphite ester according to the weight ratio of 1: 0.5 proportion.
The inorganic filler is calcium carbonate and the lubricant is silicone.
The production process of the TPV micro-foaming material comprises the following process steps:
1) preparing a semi-finished product: polypropylene, ethylene propylene diene monomer, inorganic filler, color master batch, antioxidant combination and lubricant in the components are added into a hopper of a double-screw extruder in proportion through a weightless feeding scale, the rotation speed of a main machine is 450RMP, the temperature is 230 ℃ for melt blending, oil is injected into any one zone of a 7 th zone of the double screws through a gear pump, and after the ethylene propylene diene monomer is completely absorbed, semi-finished product particles are prepared through underwater pelletizing equipment.
2) And (3) preparing a finished product: and putting the mixture carrying the carrier by the vulcanizing agent combination and the co-vulcanizing agent combination and the semi-finished product particles into a hopper of a double-screw extruder through different weightless feeding scales, carrying out melt blending at the main machine rotation speed of 550RMP and the temperature of 220 ℃, naturally removing volatile matters, carrying out vulcanization reaction, vacuumizing to remove the volatile matters, and then preparing the finished product particles by underwater pelletizing equipment.
Wherein, the mixture of the carrier is talcum powder.
Example 3
25 parts of polypropylene, 60 parts of ethylene propylene diene monomer, 60 parts of paraffin oil, 2.5 parts of color master batch, 0.8 part of antioxidant combination, 6 parts of main vulcanizing agent combination, 6 parts of auxiliary vulcanizing agent combination, 12 parts of inorganic filler, 1 part of lubricant, and 1 part of main vulcanizing agent combination, wherein the main vulcanizing agent combination is phenolic resin and peroxide, and the ratio of the phenolic resin to the peroxide is 1: 0.6, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 3, compounding the antioxidant combination according to the proportion of 1: 2, compounding in proportion.
The inorganic filler is calcium carbonate and the lubricant is wax.
The production process of the TPV micro-foaming material comprises the following process steps:
1) preparing a semi-finished product: polypropylene, ethylene propylene diene monomer, inorganic filler, color master batch, antioxidant combination and lubricant in the components are added into a hopper of a double-screw extruder in proportion through a weightless feeding scale, the rotation speed of a main machine is 450RMP, the melting and blending are carried out at the temperature of 150 ℃, oil is injected into any one zone of a 5 th zone of the double screws through a gear pump, and after the ethylene propylene diene monomer is completely absorbed, semi-finished product particles are prepared through underwater pelletizing equipment.
2) And (3) preparing a finished product: and putting the mixture carrying the carrier by the vulcanizing agent combination and the co-vulcanizing agent combination and the semi-finished product particles into a hopper of a double-screw extruder through different weightless feeding scales, carrying out melt blending at the main machine rotating speed of 500RMP and the temperature of 220 ℃, naturally removing volatile matters, carrying out vulcanization reaction, vacuumizing to remove the volatile matters, and then preparing the finished product particles by underwater pelletizing equipment.
Wherein, the mixture of the carrier is talcum powder.
Example 4
50 parts of polypropylene, 50 parts of ethylene propylene diene monomer, 60 parts of paraffin oil, 2 parts of color master batch, 0.5 part of antioxidant combination, 5 parts of main vulcanizing agent combination, 4 parts of auxiliary vulcanizing agent combination, 13 parts of inorganic filler and 3 parts of lubricant, wherein the main vulcanizing agent combination is phenolic resin and peroxide, and the weight ratio of the phenolic resin to the peroxide is 1: 1, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 2, compounding the antioxidant combination according to the proportion of 1: 1 proportion and compounding.
The inorganic filler is talcum powder, and the lubricant is stearate.
The production process of the TPV micro-foaming material comprises the following process steps:
1) preparing a semi-finished product: polypropylene, ethylene propylene diene monomer, inorganic filler, color master batch, antioxidant combination and lubricant in the components are added into a hopper of a double-screw extruder in proportion through a weightless feeding scale, the rotation speed of a main machine is 350RMP, the melting and blending are carried out at the temperature of 200 ℃, oil is injected into any one zone of a 6 th zone of the double screws through a gear pump, and after the ethylene propylene diene monomer is completely absorbed, semi-finished product particles are prepared through underwater pelletizing equipment.
2) And (3) preparing a finished product: and putting the mixture carrying the carrier by the vulcanizing agent combination and the co-vulcanizing agent combination and the semi-finished product particles into a hopper of a double-screw extruder through different weightless feeding scales, carrying out melt blending at the main machine rotating speed of 300RMP and the temperature of 200 ℃, naturally removing volatile matters, carrying out vulcanization reaction, vacuumizing to remove the volatile matters, and then preparing the finished product particles by underwater pelletizing equipment.
Wherein, the mixture of the carrier is calcium carbonate.
For each of the above examples 1-4, the corresponding performance parameters are as follows in comparison to Table 1:
| performance of | Example 1 | Example 2 | Example 3 | Example 4 |
| Melt strength | 9N | 9N | 8N | 10N |
| Fluidity of the resin | 265Pa.s | 295Pa.s | 270Pa.s | 310Pa.s |
| Foaming ratio | 70％ | 69％ | 70％ | 73％ |
| Thermal insulation | 5 | 4.5 | 5 | 5 |
| Keep apart cold | 5 | 5 | 5 | 5 |
| Sound insulation | 5 | 5 | 5 | 5 |
| Aging resistance | 5 | 4.5 | 5 | 5 |
Of these, 1-very poor 2-slightly poor 3-generally 4-good 5-excellent
In addition, the sealing strip produced by using the TPV micro-foaming material is compared with common TPV materials, rubber and PVC under the same production process, and various detection data of the produced corresponding sealing strip are as follows 2:
| performance of | Foamed TPV | Common TPV | Rubber composition | PVC |
| Thermal insulation | 5 | 5 | 5 | 3 |
| Keep apart cold | 5 | 4 | 5 | 3 |
| Sound insulation | 5 | 4 | 4 | 4 |
| Aging resistance | 5 | 4 | 5 | 2 |
Of which 1-very poor 2-slightly poor 3-generally 4-good 5-excellent
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and alterations made to the technical solution of the present invention without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.
Claims (9)
1. A TPV micro-foaming material is characterized in that: the composition comprises the following components in parts by weight: 20-70 parts of polypropylene, 40-80 parts of ethylene propylene diene monomer, 20-80 parts of paraffin oil, 1-3 parts of color master batch, 1-8 parts of main vulcanizing agent combination, 1-10 parts of auxiliary vulcanizing agent combination, 0.2-1 part of antioxidant combination, 10-15 parts of inorganic filler and 0.1-5 parts of lubricant;
wherein the main vulcanizing agent is composed of phenolic resin and peroxide according to the weight ratio of 1: (0.1-1.5) mixing in proportion,
the auxiliary vulcanizing agent combination is stannous chloride and bismaleimide, and the weight ratio of the auxiliary vulcanizing agent combination is 1: (0.5-5) mixing in proportion,
the antioxidant combination is hindered phenol antioxidant and phosphite ester according to the weight ratio of 1: (0.5-3) mixing in proportion.
2. The TPV microfoam of claim 1, wherein: 20 parts of polypropylene, 80 parts of ethylene propylene diene monomer, 80 parts of paraffin oil, 3 parts of color master batch, 1 part of antioxidant combination, 8 parts of main vulcanizing agent combination, 10 parts of auxiliary vulcanizing agent combination, 15 parts of inorganic filler and 5 parts of lubricant,
the main vulcanizing agent is composed of phenolic resin and peroxide according to the proportion of 1: 1.5, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 5, compounding the antioxidant combination according to the proportion of 1: 3, compounding in proportion.
3. The TPV microfoam of claim 1, wherein: 70 parts of polypropylene, 40 parts of ethylene propylene diene monomer, 20 parts of paraffin oil, 1 part of color master batch, 0.2 part of antioxidant combination, 1 part of main vulcanizing agent combination, 1 part of auxiliary vulcanizing agent combination, 10 parts of inorganic filler and 0.1 part of lubricant,
the main vulcanizing agent is composed of phenolic resin and peroxide according to the proportion of 1: 0.1, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 0.5, wherein the antioxidant combination is hindered phenol antioxidant and phosphite ester according to the weight ratio of 1: 0.5 proportion.
4. The TPV microfoam of claim 1, wherein: 25 parts of polypropylene, 60 parts of ethylene propylene diene monomer, 60 parts of paraffin oil, 2.5 parts of color master batch, 0.8 part of antioxidant combination, 6 parts of main vulcanizing agent combination, 6 parts of auxiliary vulcanizing agent combination, 12 parts of inorganic filler and 1 part of lubricant,
the main vulcanizing agent is composed of phenolic resin and peroxide according to the proportion of 1: 0.6, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 3, compounding the antioxidant combination according to the proportion of 1: 2, compounding in proportion.
5. The TPV microfoam of claim 1, wherein: 50 parts of polypropylene, 50 parts of ethylene propylene diene monomer, 60 parts of paraffin oil, 2 parts of color master batch, 0.5 part of antioxidant combination, 5 parts of main vulcanizing agent combination, 4 parts of auxiliary vulcanizing agent combination, 13 parts of inorganic filler and 3 parts of lubricant,
the main vulcanizing agent is composed of phenolic resin and peroxide according to the proportion of 1: 1, and the auxiliary vulcanizing agent is composed of stannous chloride and bismaleimide according to the weight ratio of 1: 2, compounding the antioxidant combination according to the proportion of 1: 1 proportion and compounding.
6. The TPV microfoam of any one of claims 1-5, wherein: the inorganic filler is one or more of talcum powder, calcium carbonate, kaolin, carbon black and white carbon black.
7. The TPV microfoam of any one of claims 1-5, wherein: the lubricant is one or more of stearate, silicone and wax.
8. A production process of a TPV micro-foaming material is characterized by comprising the following steps: the method comprises the following process steps:
1) preparing a semi-finished product: the polypropylene, the ethylene propylene diene monomer rubber, the inorganic filler, the color master batch, the antioxidant combination and the lubricant in the components of the claim 1 are added into a hopper of a double-screw extruder in proportion through a weightless feeding scale, the rotation speed of a main machine is 300-450 RMP, the melting and blending are carried out at the temperature of 150-230 ℃, the oil injection is carried out in any one of the 3 rd-7 th zones of the double screws through a gear pump, and after the ethylene propylene diene monomer rubber is completely absorbed, the semi-finished product particles are prepared through underwater grain cutting equipment.
2) And (3) preparing a finished product: and putting the mixture carrying the carrier by the vulcanizing agent combination and the co-vulcanizing agent combination and the semi-finished product particles into a hopper of a double-screw extruder through different weightless feeding scales, carrying out melt blending at the main machine rotating speed of 300-550 RMP and the temperature of 160-220 ℃, naturally removing volatile matters, carrying out vulcanization reaction, vacuumizing to remove the volatile matters, and then carrying out underwater pelletizing equipment to prepare the finished product particles.
9. The process for producing a TPV microfoamed material according to claim 8, wherein: the mixture of the carrier is talcum powder or calcium carbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923562.6A CN110698771A (en) | 2019-09-27 | 2019-09-27 | TPV micro-foaming material and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923562.6A CN110698771A (en) | 2019-09-27 | 2019-09-27 | TPV micro-foaming material and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110698771A true CN110698771A (en) | 2020-01-17 |
Family
ID=69196631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910923562.6A Pending CN110698771A (en) | 2019-09-27 | 2019-09-27 | TPV micro-foaming material and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110698771A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724505A (en) * | 2020-12-25 | 2021-04-30 | 海信（广东）空调有限公司 | Composite foaming material for exhaust pipe of mobile air conditioner, exhaust pipe and mobile air conditioner |
| CN112745681A (en) * | 2020-12-30 | 2021-05-04 | 金发科技股份有限公司 | TPV material capable of being foamed by injection molding and preparation method and application thereof |
| CN114437463A (en) * | 2020-11-05 | 2022-05-06 | 中国石油化工股份有限公司 | Vulcanized composition, vulcanized rubber composition based on EPDM, vulcanized rubber, and preparation method and application thereof |
| CN115260649A (en) * | 2022-07-26 | 2022-11-01 | 江苏顶塑实业有限公司 | Vacuum-assisted blow molding thermoplastic elastomer TPV for producing high melt strength and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006014985A1 (en) * | 2006-03-27 | 2007-10-04 | Deutsche Gumtec Ag | Thermoplastic vulcanizate-system based on blend-composition, which is produced by compounding a thermoplastic olefin, in which a portion is used in a chemically modified form, and a chemically modified, finely ground rubber particle |
| EP2690136A1 (en) * | 2012-07-25 | 2014-01-29 | Lanxess Elastomers B.V. | Thermoplastic elastomer compositions and process for preparing them |
| CN105273317A (en) * | 2015-11-09 | 2016-01-27 | 安徽韧达高分子材料有限公司 | High-density TPV material and preparation method thereof |
| CN106674688A (en) * | 2016-12-20 | 2017-05-17 | 宁波泰甬汽车零部件有限公司 | Thermoplastic elastomer-vulcanizate (TPE-V) material as well as preparation method and application thereof |
| CN106700570A (en) * | 2016-12-20 | 2017-05-24 | 宁波泰甬汽车零部件有限公司 | TPV material and preparation method and application thereof |
| CN108641200A (en) * | 2018-05-21 | 2018-10-12 | 广州华新科智造技术有限公司 | A kind of automobile sealing strip TPV material and preparation method thereof |
| CN109796685A (en) * | 2018-12-06 | 2019-05-24 | 宁波泰甬汽车零部件有限公司 | A kind of improvement thermoplastic elastomer (TPE) TPV material and extruding process thereof |
| CN110256770A (en) * | 2019-06-18 | 2019-09-20 | 广州华新科智造技术有限公司 | Thermoplastic dynamic perduren and preparation method thereof |
-
2019
- 2019-09-27 CN CN201910923562.6A patent/CN110698771A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006014985A1 (en) * | 2006-03-27 | 2007-10-04 | Deutsche Gumtec Ag | Thermoplastic vulcanizate-system based on blend-composition, which is produced by compounding a thermoplastic olefin, in which a portion is used in a chemically modified form, and a chemically modified, finely ground rubber particle |
| EP2690136A1 (en) * | 2012-07-25 | 2014-01-29 | Lanxess Elastomers B.V. | Thermoplastic elastomer compositions and process for preparing them |
| CN105273317A (en) * | 2015-11-09 | 2016-01-27 | 安徽韧达高分子材料有限公司 | High-density TPV material and preparation method thereof |
| CN106674688A (en) * | 2016-12-20 | 2017-05-17 | 宁波泰甬汽车零部件有限公司 | Thermoplastic elastomer-vulcanizate (TPE-V) material as well as preparation method and application thereof |
| CN106700570A (en) * | 2016-12-20 | 2017-05-24 | 宁波泰甬汽车零部件有限公司 | TPV material and preparation method and application thereof |
| CN108641200A (en) * | 2018-05-21 | 2018-10-12 | 广州华新科智造技术有限公司 | A kind of automobile sealing strip TPV material and preparation method thereof |
| CN109796685A (en) * | 2018-12-06 | 2019-05-24 | 宁波泰甬汽车零部件有限公司 | A kind of improvement thermoplastic elastomer (TPE) TPV material and extruding process thereof |
| CN110256770A (en) * | 2019-06-18 | 2019-09-20 | 广州华新科智造技术有限公司 | Thermoplastic dynamic perduren and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 张殿荣 等: "《现代橡胶配方设计》", 31 October 2001, 化学工业出版社 * |
| 邓本诚 等编: "《橡胶并用与橡塑共混技术 性能、工艺与配方》", 30 June 1998, 化学工业出版社 * |
| 黄锐 主编: "《塑料工程手册 下》", 30 April 2000, 机械工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114437463A (en) * | 2020-11-05 | 2022-05-06 | 中国石油化工股份有限公司 | Vulcanized composition, vulcanized rubber composition based on EPDM, vulcanized rubber, and preparation method and application thereof |
| CN112724505A (en) * | 2020-12-25 | 2021-04-30 | 海信（广东）空调有限公司 | Composite foaming material for exhaust pipe of mobile air conditioner, exhaust pipe and mobile air conditioner |
| CN112745681A (en) * | 2020-12-30 | 2021-05-04 | 金发科技股份有限公司 | TPV material capable of being foamed by injection molding and preparation method and application thereof |
| CN115260649A (en) * | 2022-07-26 | 2022-11-01 | 江苏顶塑实业有限公司 | Vacuum-assisted blow molding thermoplastic elastomer TPV for producing high melt strength and preparation method thereof |
| CN115260649B (en) * | 2022-07-26 | 2023-11-21 | 江苏顶塑实业有限公司 | Vacuum-assisted blow molding thermoplastic elastomer TPV (thermoplastic elastomer) for producing high melt strength and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110698771A (en) | TPV micro-foaming material and production process thereof | |
| CN103980621A (en) | High-performance dynamic vulcanization thermoplastic elastomer and preparation method thereof | |
| CN102585319A (en) | Vulcanizing system of brominated butyl rubber/ polypropylene thermoplastic elastomer sealing material and preparation method for sealing material | |
| JP2002537432A (en) | Thermoplastic vulcanized rubber and method for producing the same | |
| CN110092954B (en) | Nitrile rubber/nylon thermoplastic elastomer and preparation method thereof | |
| CN104744825A (en) | Thermoplastic vulcanizate elastomer composition and preparation method thereof | |
| CN103756129A (en) | EPDM/polypropylene thermoplastic elastomer and preparation process thereof | |
| CN112552582B (en) | Anti-tiger stripe and high-heat-resistance automobile instrument board material and preparation method and application thereof | |
| CN110437538B (en) | Polypropylene consumable for 3D printing and preparation method thereof | |
| CN111057306B (en) | TPV composition and preparation method thereof | |
| CN111849069A (en) | Composite rubber thermoplastic elastomer and preparation method thereof | |
| CN104774391A (en) | Waste polypropylene regenerated toughening-modified composition and preparation method thereof | |
| CN109486030A (en) | A kind of integration fretting map thermoplastic vulcanizate composition and preparation method thereof | |
| CN1249158C (en) | Propylene resin composition and use thereof | |
| CN104086940A (en) | Halogen-free flame retardant TPE (thermoplastic polyurethane elastomer) injection molding material and preparation method thereof | |
| CN107541004A (en) | A kind of anti-load endurance type TPE thermoplastic elastomer (TPE)s and preparation method thereof | |
| CN115058086A (en) | Extrusion-grade thermoplastic vulcanized rubber and preparation method thereof | |
| CN101633752A (en) | Polyolefins thermoplastic elastomer and preparation method thereof | |
| CN104710692A (en) | Solubilizer for improving performance of natural rubber-ethylene propylene rubber co-blended rubber and preparation method thereof | |
| CN114933741A (en) | High-rigidity high-impact-resistance polypropylene composite additive and preparation method thereof | |
| CN100404596C (en) | Catalyst systems for elastomeric compositions | |
| CN112708208B (en) | Polypropylene composite material and preparation method thereof | |
| CN113072792A (en) | Door seal material for washing machine and preparation method thereof | |
| CN112812414A (en) | Fluorosilicone polymer processing aid master batch and preparation method thereof | |
| CN112831157A (en) | TPEE base film of automobile protection film |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200117 |