CN109679228A - A kind of compounded rubber particulate composition and preparation method thereof - Google Patents

A kind of compounded rubber particulate composition and preparation method thereof Download PDF

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Publication number
CN109679228A
CN109679228A CN201710975646.5A CN201710975646A CN109679228A CN 109679228 A CN109679228 A CN 109679228A CN 201710975646 A CN201710975646 A CN 201710975646A CN 109679228 A CN109679228 A CN 109679228A
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CN
China
Prior art keywords
rubber
rubber grain
grain
particulate composition
compounded
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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
Application number
CN201710975646.5A
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Chinese (zh)
Inventor
徐宝红
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Shanghai Ever Rubber Products Co Ltd
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Shanghai Ever Rubber Products Co Ltd
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Priority to CN201710975646.5A priority Critical patent/CN109679228A/en
Publication of CN109679228A publication Critical patent/CN109679228A/en
Pending legal-status Critical Current

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    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/126—Polymer particles coated by polymer, e.g. core shell structures
    • 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
    • C08J2423/16—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
    • C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
    • C08J2491/06—Waxes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

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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)
  • Crystallography & Structural Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The present invention provides a kind of compounded rubber particulate compositions and preparation method thereof, it is made of several rubber grains, the part of the surface of partial rubber particle is the broken face of tension failure, each rubber grain is made of rubber grain A and rubber grain B, and wherein the rubber grain B of the surface of rubber grain A with granularity greater than the rubber grain A is covered；Rubber grain A and rubber grain B are prepared from the following raw materials in parts by weight and are made: EP rubbers 24-28 calcium carbonate 70-80；Crosslinking agent 6-8；Peroxide vulcanizing agent 6-8；Paraffin oil 24-28.Preparation method of the present invention is simple, and the compounded rubber particulate composition being prepared has excellent mobility and dispersion degree.

Description

A kind of compounded rubber particulate composition and preparation method thereof
Technical field
The present invention relates to rubber grain and preparation method thereof, in particular to a kind of compounded rubber particulate composition and its preparation Method.
Background technique
It includes scrap rubber, sneakers bottom, leftover pieces, cable skin, rubber that rubber grain, which mainly passes through various waste olds, The production of the waste olds Raw material processings such as leftover pieces, car mat band, automobile tire.
Rubber grain is divided into black rubber particle and two kinds of colorful rubber particle；And colorful rubber particle divides green rubber The colors such as particle, red rubber particle, blue rubber grain, white rubber particle, brown rubber grain, yellow rubber grain Rubber grain.
Rubber grain has many advantages, such as that anti-aging, the service life is long, easy to maintain；Dedicated black rubber particle is long, the spies such as easy to maintain Point；All kinds of synthetic courts mated formation generally are all up mark through detecting；Specification has 1 to 2 millimeter and 2 to 4 millimeters etc., using no dirt Waste old raw material is contaminated, is process with manufacture rubber grain special equipment；More irregular rubber grain mix and match of rib multi-panel It is suitable for, specification grade scale, within the impurity contents such as fiber, dust control 1%, with the resin in all kinds of courts of plastic cement of mating formation, solid It is good that being firmly bonded property is blended in the raw materials such as agent；The product manufactured with the special (purpose) rubber particle, elasticity is moderate, actual situation appropriateness, appearance It is beautiful, meet national standard, with elasticity is moderate, anti-skidding, seepage of water is good, wear-resisting, fire-retardant, non-toxic and non-radioactive, anti-aging, longevity Life.
There is low mobility and dispersion degree by the composite silicone-rubber particles that silica gel particle forms in the prior art, it is difficult to It is attached in a variety of materials, and lubrication and sliding capability can not be easy to get.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation method is simple, and the compounded rubber particle being prepared Composition has a kind of compounded rubber particulate composition and preparation method thereof of excellent mobility and dispersion degree.
In order to achieve the above objectives, technical scheme is as follows:
A kind of compounded rubber particulate composition, is made of several rubber grains, and the part of the surface of partial rubber particle is The broken face of tension failure, each rubber grain are made of rubber grain A and rubber grain B, wherein the surface grain of rubber grain A The rubber grain B of the degree greater than the rubber grain A is covered；
Rubber grain A and rubber grain B are prepared from the following raw materials in parts by weight and are made:
In one embodiment of the invention, the rubber grain A and rubber grain B by following weight proportion raw material It is made:
24 calcium carbonate 70 of EP rubbers
6 peroxide vulcanizing agent 6 of crosslinking agent
Paraffin oil 24
In one embodiment of the invention, the shape of the rubber grain A is spherical shape.
In one embodiment of the invention, the G/D value that the rubber grain is obtained with raman spectroscopy measurement is between 3-4.
A method of compounded rubber particulate composition being prepared, its step are as follows:
(1) preparation of rubber grain A and rubber grain B
Mixer mixing is put into after going each raw material to mix by the weight proportion, melting temperature is 130-140 DEG C, the time is 18-20 minutes；It is refined after mixing in investment open mill, refining temperature is 64-68 DEG C, the time is 14-18 minutes, must be refined Mixture；
Refining mixture is put into extruder continuous sheeting, it is 130-140 DEG C that built-in temperature is squeezed out when extrusion；Then Investment vulcanizing tank is vulcanized, and vulcanization time is 34-38 minutes, temperature is 170-185 DEG C, pressure is 10-12 kilograms；After vulcanization Tank out is granulated after room temperature is 11-13 hours cooling and is classified to obtain finished rubber particle A or rubber grain B；
(2) preparation of rubber grain
Varigrained rubber grain A and rubber grain B are put into dispersion liquid, both make to separate, then from containing rubber Decentralized medium is removed in the dispersion liquid of glue particle A and rubber grain B, finally rubber grain B is covered on rubber grain A and is formed Single rubber grain；
(3) preparation of compounded rubber particulate composition
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, Wherein the Reynolds number of high velocity jet body is 40-300 ten thousand.
Through the above technical solutions, the beneficial effects of the present invention are:
Preparation method of the present invention is simple, and the compounded rubber particulate composition being prepared has excellent mobility and divides Divergence.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below into One step illustrates the present invention.
Embodiment 1
The invention discloses a kind of compounded rubber particulate compositions, are made of several rubber grains, partial rubber particle Part of the surface be tension failure broken face, each rubber grain is made of rubber grain A and rubber grain B, wherein rubber The rubber grain B of the surface of grain A with granularity greater than the rubber grain A is covered.
Rubber grain A and rubber grain B are prepared from the following raw materials in parts by weight and are made:
The shape of rubber grain A is spherical shape, and the G/D value that rubber grain is obtained with raman spectroscopy measurement is between 3-4.
A method of compounded rubber particulate composition being prepared, its step are as follows:
(1) preparation of rubber grain A and rubber grain B
Put into mixer mixing after going each raw material to mix by the weight proportion, melting temperature is 135 DEG C, the time 119 Minute；It is refined after mixing in investment open mill, refining temperature is 65 DEG C, the time is 16 minutes, obtains refining mixture；
Refining mixture is put into extruder continuous sheeting, it is 135 DEG C that built-in temperature is squeezed out when extrusion；Then it puts into Vulcanizing tank is vulcanized, and vulcanization time is 36 minutes, temperature is 175 DEG C, pressure is 111 kilograms；Go out tank after vulcanization, room temperature is cooling It is granulated after 12 hours and is classified to obtain finished rubber particle A or rubber grain B；
(2) preparation of rubber grain
Varigrained rubber grain A and rubber grain B are put into dispersion liquid, both make to separate, then from containing rubber Decentralized medium is removed in the dispersion liquid of glue particle A and rubber grain B, finally rubber grain B is covered on rubber grain A and is formed Single rubber grain；
(3) preparation of compounded rubber particulate composition
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, Wherein the Reynolds number of high velocity jet body is 40-300 ten thousand.
Embodiment 2
The invention discloses a kind of compounded rubber particulate compositions, are made of several rubber grains, partial rubber particle Part of the surface be tension failure broken face, each rubber grain is made of rubber grain A and rubber grain B, wherein rubber The rubber grain B of the surface of grain A with granularity greater than the rubber grain A is covered.
Rubber grain A and rubber grain B are prepared from the following raw materials in parts by weight and are made:
The shape of rubber grain A is spherical shape, and the G/D value that rubber grain is obtained with raman spectroscopy measurement is between 4.
A method of compounded rubber particulate composition being prepared, its step are as follows:
(1) preparation of rubber grain A and rubber grain B
Mixer mixing is put into after going each raw material to mix by the weight proportion, melting temperature is 140 DEG C, the time is 20 points Clock；It is refined after mixing in investment open mill, refining temperature is 68 DEG C, the time is 18 minutes, obtains refining mixture；
Refining mixture is put into extruder continuous sheeting, it is 140 DEG C that built-in temperature is squeezed out when extrusion；Then it puts into Vulcanizing tank is vulcanized, and vulcanization time is 38 minutes, temperature is 185 DEG C, pressure is 12 kilograms；Go out tank after vulcanization, room temperature is cooling It is granulated after 13 hours and is classified to obtain finished rubber particle A or rubber grain B；
(2) preparation of rubber grain
Varigrained rubber grain A and rubber grain B are put into dispersion liquid, both make to separate, then from containing rubber Decentralized medium is removed in the dispersion liquid of glue particle A and rubber grain B, finally rubber grain B is covered on rubber grain A and is formed Single rubber grain；
(3) preparation of compounded rubber particulate composition
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, Wherein the Reynolds number of high velocity jet body is 40-300 ten thousand.
Embodiment 3
The invention discloses a kind of compounded rubber particulate compositions, are made of several rubber grains, partial rubber particle Part of the surface be tension failure broken face, each rubber grain is made of rubber grain A and rubber grain B, wherein rubber The rubber grain B of the surface of grain A with granularity greater than the rubber grain A is covered.
Rubber grain A and rubber grain B are prepared from the following raw materials in parts by weight and are made:
The shape of rubber grain A is spherical shape, and the G/D value that rubber grain is obtained with raman spectroscopy measurement is between 3.
A method of compounded rubber particulate composition being prepared, its step are as follows:
(1) preparation of rubber grain A and rubber grain B
Mixer mixing is put into after going each raw material to mix by the weight proportion, melting temperature is 130 DEG C, the time is 18 points Clock；It is refined after mixing in investment open mill, refining temperature is 64 DEG C, the time is 14 minutes, obtains refining mixture；
Refining mixture is put into extruder continuous sheeting, it is 130 DEG C that built-in temperature is squeezed out when extrusion；Then it puts into Vulcanizing tank is vulcanized, and vulcanization time is 34 minutes, temperature is 170 DEG C, pressure is 10 kilograms；Go out tank after vulcanization, room temperature is cooling It is granulated after 11 hours and is classified to obtain finished rubber particle A or rubber grain B；
(2) preparation of rubber grain
Varigrained rubber grain A and rubber grain B are put into dispersion liquid, both make to separate, then from containing rubber Decentralized medium is removed in the dispersion liquid of glue particle A and rubber grain B, finally rubber grain B is covered on rubber grain A and is formed Single rubber grain；
(3) preparation of compounded rubber particulate composition
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, Wherein the Reynolds number of high velocity jet body is 40-300 ten thousand.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (5)

1. a kind of compounded rubber particulate composition, which is characterized in that be made of several rubber grains, the portion of partial rubber particle Point surface is the broken face of tension failure, each rubber grain is made of rubber grain A and rubber grain B, wherein rubber grain A The rubber grain B of the surface with granularity greater than the rubber grain A is covered；
Rubber grain A and rubber grain B are prepared from the following raw materials in parts by weight and are made:
2. a kind of compounded rubber particulate composition according to claim 1, which is characterized in that the rubber grain A and rubber Glue particle B, which is prepared from the following raw materials in parts by weight, to be made:
3. a kind of compounded rubber particulate composition according to claim 1, which is characterized in that the shape of the rubber grain A Shape is spherical shape.
4. a kind of compounded rubber particulate composition according to claim 1, which is characterized in that the rubber grain is with Raman The G/D value that spectral measurement obtains is between 3-4.
5. a kind of method for preparing compounded rubber particulate composition, it is characterised in that: its step are as follows:
(1) preparation of rubber grain A and rubber grain B
Put into mixer mixing after going each raw material to mix by the weight proportion, melting temperature is 130-140 DEG C, time 18- 20 minutes；It is refined after mixing in investment open mill, refining temperature is 64-68 DEG C, the time is 14-18 minutes, must be refined mixed Close object；
Refining mixture is put into extruder continuous sheeting, it is 130-140 DEG C that built-in temperature is squeezed out when extrusion；Then it puts into Vulcanizing tank is vulcanized, and vulcanization time is 34-38 minutes, temperature is 170-185 DEG C, pressure is 10-12 kilograms；Go out after vulcanization Tank is granulated after room temperature is 11-13 hours cooling and is classified to obtain finished rubber particle A or rubber grain B；
(2) preparation of rubber grain
Varigrained rubber grain A and rubber grain B are put into dispersion liquid, both make to separate, then from containing rubber Decentralized medium is removed in the dispersion liquid of grain A and rubber grain B, finally rubber grain B is covered on rubber grain A and is formed individually Rubber grain；
(3) preparation of compounded rubber particulate composition
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, wherein The Reynolds number of high velocity jet body is 40-300 ten thousand.
CN201710975646.5A 2017-10-19 2017-10-19 A kind of compounded rubber particulate composition and preparation method thereof Pending CN109679228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710975646.5A CN109679228A (en) 2017-10-19 2017-10-19 A kind of compounded rubber particulate composition and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710975646.5A CN109679228A (en) 2017-10-19 2017-10-19 A kind of compounded rubber particulate composition and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109679228A true CN109679228A (en) 2019-04-26

Family

ID=66183049

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710975646.5A Pending CN109679228A (en) 2017-10-19 2017-10-19 A kind of compounded rubber particulate composition and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109679228A (en)

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Application publication date: 20190426

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