CN109679230A - A kind of rubber particle composite and preparation method thereof - Google Patents

A kind of rubber particle composite and preparation method thereof Download PDF

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Publication number
CN109679230A
CN109679230A CN201710976393.3A CN201710976393A CN109679230A CN 109679230 A CN109679230 A CN 109679230A CN 201710976393 A CN201710976393 A CN 201710976393A CN 109679230 A CN109679230 A CN 109679230A
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CN
China
Prior art keywords
rubber
rubber grain
grain
particle size
average particle
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Application number
CN201710976393.3A
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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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Application filed by Shanghai Ever Rubber Products Co Ltd filed Critical Shanghai Ever Rubber Products Co Ltd
Priority to CN201710976393.3A priority Critical patent/CN109679230A/en
Publication of CN109679230A publication Critical patent/CN109679230A/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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The present invention provides rubber particle composites and preparation method thereof, are made of several rubber grains, and the part of the surface of partial rubber particle is the broken face of tension failure, and partial rubber particle has at least one crystal region；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；The average particle size of rubber grain B is more at least three times greater than the average particle size of rubber grain A；The average particle size of rubber grain B is 1-300 microns, and the average particle size of rubber grain A is 0.01-30 microns；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, the subsequent main glue composition or functional additive that can be used as rubber product of the rubber particle composite being prepared, and is used in combination with various rubber or high molecular material.

Description

A kind of rubber particle composite and preparation method thereof
Technical field
The present invention relates to rubber particle composite and preparation method thereof, in particular to a kind of rubber comprising multiple special constructions Glue particulate composition and preparation method thereof.
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.
In addition to natural rubber, there are also reclaimed rubbers in existing product, and reclaimed rubber is in addition to manufacturing process is many and diverse and needs useization It learns except reagent, can not still replace natural rubber or other plastic materials completely so far, application range still needs to be expanded.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation method is simple, the rubber particle composite being prepared The subsequent main glue composition or functional additive that can be used as rubber product, and the rubber with various rubber or high molecular material Particulate composition and preparation method thereof.
In order to achieve the above objectives, technical scheme is as follows:
A kind of rubber particle composite is made of several rubber grains, and the part of the surface of partial rubber particle is to stretch The broken face of fracture, partial rubber particle have at least one crystal region；Each rubber grain is by rubber grain A and rubber grain B composition, wherein the rubber grain B of the surface of rubber grain A with granularity greater than the rubber grain A is covered；Rubber grain B Average particle size it is more at least three times greater than the average particle size of rubber grain A；The average particle size of rubber grain B is 1-300 microns, rubber The average particle size of particle A is 0.01-30 microns；
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:
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 rubber particle composite 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 150-170 DEG C, the time is 22-24 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 150-170 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 130-150 DEG C, pressure is 10-12 kilograms；After vulcanization Tank out is granulated after room temperature is 14-16 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 rubber particle composite
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, The temperature range of the contact surface of high velocity jet body and the crosslinked rubber grain is 50-80 DEG C, wherein high velocity jet The Reynolds number of 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, the subsequent main glue that can be used as rubber product of the rubber particle composite being prepared at Part or functional additive, and be used in combination with various rubber or high molecular material.
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 rubber particle composites, are made of several rubber grains, the portion of partial rubber particle Dividing surface is the broken face of tension failure, and partial rubber particle has at least one crystal region；Each rubber grain is by rubber Grain A and rubber grain B composition, wherein the surface of rubber grain A is greater than the rubber grain B of the rubber grain A with granularity Covering；The average particle size of rubber grain B is more at least three times greater than the average particle size of rubber grain A；The average particle size of rubber grain B is 1-300 microns, the average particle size of rubber grain A is 0.01-30 microns；
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 rubber particle composite 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 150 DEG C, the time is 22 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 150 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 130 DEG C, pressure is 10 kilograms；Go out tank after vulcanization, room temperature is cooling It is granulated after 14 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 rubber particle composite
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, The temperature range of the contact surface of high velocity jet body and the crosslinked rubber grain is 50-80 DEG C, wherein high velocity jet The Reynolds number of body is 40-300 ten thousand.
Embodiment 2
The invention discloses a kind of rubber particle composites, are made of several rubber grains, the portion of partial rubber particle Dividing surface is the broken face of tension failure, and partial rubber particle has at least one crystal region；Each rubber grain is by rubber Grain A and rubber grain B composition, wherein the surface of rubber grain A is greater than the rubber grain B of the rubber grain A with granularity Covering；The average particle size of rubber grain B is more at least three times greater than the average particle size of rubber grain A；The average particle size of rubber grain B is 1-300 microns, the average particle size of rubber grain A is 0.01-30 microns；
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 rubber particle composite 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 160 DEG C, the time is 23 points Clock；It is refined after mixing in investment open mill, refining temperature is 66 DEG C, the time is 16 minutes, obtains refining mixture；
Refining mixture is put into extruder continuous sheeting, it is 160 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 140 DEG C, pressure is 11 kilograms；Go out tank after vulcanization, room temperature is cooling It is granulated after 15 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 rubber particle composite
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, The temperature range of the contact surface of high velocity jet body and the crosslinked rubber grain is 50-80 DEG C, wherein high velocity jet The Reynolds number of body is 40-300 ten thousand.
Embodiment 3
The invention discloses a kind of rubber particle composites, are made of several rubber grains, the portion of partial rubber particle Dividing surface is the broken face of tension failure, and partial rubber particle has at least one crystal region；Each rubber grain is by rubber Grain A and rubber grain B composition, wherein the surface of rubber grain A is greater than the rubber grain B of the rubber grain A with granularity Covering；The average particle size of rubber grain B is more at least three times greater than the average particle size of rubber grain A；The average particle size of rubber grain B is 1-300 microns, the average particle size of rubber grain A is 0.01-30 microns；
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 rubber particle composite 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 170 DEG C, the time is 24 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 170 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 150 DEG C, pressure is 12 kilograms；Go out tank after vulcanization, room temperature is cooling It is granulated after 16 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 rubber particle composite
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, The temperature range of the contact surface of high velocity jet body and the crosslinked rubber grain is 50-80 DEG C, wherein high velocity jet The Reynolds number of 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 rubber particle composite, which is characterized in that be made of several rubber grains, the part table of partial rubber particle Face is the broken face of tension failure, and partial rubber particle has at least one crystal region；Each rubber grain by rubber grain A and Rubber grain B composition, wherein the rubber grain B of the surface of rubber grain A with granularity greater than the rubber grain A is covered； The average particle size of rubber grain B is more at least three times greater than the average particle size of rubber grain A；The average particle size of rubber grain B is 1-300 Micron, the average particle size of rubber grain A are 0.01-30 microns；
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 rubber particle composite according to claim 1, which is characterized in that the rubber grain A and rubber Grain B, which is prepared from the following raw materials in parts by weight, to be made:
3. a kind of rubber particle composite according to claim 1, which is characterized in that the shape of the rubber grain A is It is spherical.
4. a kind of rubber particle composite according to claim 1, which is characterized in that the rubber grain is with Raman spectrum Obtained G/D value is measured between 3-4.
5. a kind of method for preparing rubber particle composite, 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 150-170 DEG C, time 22- 24 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 150-170 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 130-150 DEG C, pressure is 10-12 kilograms；Go out after vulcanization Tank is granulated after room temperature is 14-16 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 rubber particle composite
By several rubber grains it is crosslinked after compounded rubber particulate composition formed by the impact of high velocity jet body, at a high speed The temperature range for spraying the contact surface of fluid and the crosslinked rubber grain is 50-80 DEG C, wherein high velocity jet body Reynolds number is 40-300 ten thousand.
CN201710976393.3A 2017-10-19 2017-10-19 A kind of rubber particle composite and preparation method thereof Pending CN109679230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710976393.3A CN109679230A (en) 2017-10-19 2017-10-19 A kind of rubber particle composite and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710976393.3A CN109679230A (en) 2017-10-19 2017-10-19 A kind of rubber particle composite and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109679230A true CN109679230A (en) 2019-04-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710976393.3A Pending CN109679230A (en) 2017-10-19 2017-10-19 A kind of rubber particle composite and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109679230A (en)

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Application publication date: 20190426

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