CN107501603A - A kind of production technology of the high oil resistant reclaimed rubber of flexible resistance - Google Patents

A kind of production technology of the high oil resistant reclaimed rubber of flexible resistance Download PDF

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Publication number
CN107501603A
CN107501603A CN201710651049.7A CN201710651049A CN107501603A CN 107501603 A CN107501603 A CN 107501603A CN 201710651049 A CN201710651049 A CN 201710651049A CN 107501603 A CN107501603 A CN 107501603A
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CN
China
Prior art keywords
useless
reclaimed rubber
weight
production technology
oil resistant
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.)
Withdrawn
Application number
CN201710651049.7A
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Chinese (zh)
Inventor
肖文涛
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Jiangsu Daoqin New Material Technology Co Ltd
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Jiangsu Daoqin New Material Technology Co Ltd
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Priority to CN201710651049.7A priority Critical patent/CN107501603A/en
Publication of CN107501603A publication Critical patent/CN107501603A/en
Withdrawn legal-status Critical Current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
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/12—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
    • 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
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
    • C08L23/283—Halogenated homo- or copolymers of iso-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/02—Copolymers with acrylonitrile
    • 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
    • C08J2317/00—Characterised by the use of reclaimed rubber
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/20—Recycled plastic
    • C08L2207/24—Recycled plastic recycling of old tyres and caoutchouc and addition of caoutchouc particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Abstract

The invention discloses a kind of production technology of the high oil resistant reclaimed rubber of flexible resistance, comprise the following steps：a:Useless nitrile rubber and useless chlorinated scoline raw material are cleaned, weighed and mixed；b：By blend put into pulverizer carry out crush granulation form micelle；c：Micelle, antioxidant and softening agent are put into together desulfurization is carried out in desulfurizer；d：Toughener, accelerator and fire retardant is added to be processed；e：Cooling, detection and packaging.Useless nitrile rubber and useless chlorinated scoline blend are processed and to form reclaimed rubber by this technique, the flexible resistance of reclaimed rubber is improved on the basis of nitrile rubber oil resistivity is not changed substantially, effectively raise performance and the life-span of reclaimed rubber, simultaneously in sweetening process by the way of microwave heating, substantially reduce desulfurization time, production efficiency is improved, and also has significant raising in elasticity, anti-wear performance etc..

Description

A kind of production technology of the high oil resistant reclaimed rubber of flexible resistance
Technical field
The present invention relates to a kind of production technology of elastomeric material, more particularly to it is used for a kind of resistance in the wrong of oil resistant rubber product The production technology of flexible high oil resistant reclaimed rubber.
Background technology
Because elastomeric material has, wearability is high, the prominent advantage such as heat-resist, is widely used in industry, food transport Etc. various fields, so as to cause the demand of rubber raw materials very big, therefore, carrying out recycling to waste rubber material has Important meaning, a variety of waste rubbers can be carried out to mixing and realize the improvement of rubber performance and produce single rubber raw materials not The performance possessed.The oil resistant rubber product of prior art typically uses nitrile rubber as raw material, although its oil resistance is preferable, But for chlorinated scoline, the flexible resistance of nitrile rubber is relatively low, and the heat energy needed for sweetening process is general Using electrically heated mode, so as to cause desulfurization time longer, increase cost input.
Therefore, in order to solve above-mentioned problem, spy provides a kind of new technology.
The content of the invention
It is an object of the invention to provide a kind of desulfurization time is short, the high resistance to oil regeneration of flexible resistance for oil resistant rubber product The production technology of rubber.
The present invention is achieved through the following technical solutions：
A kind of production technology of the high oil resistant reclaimed rubber of flexible resistance, comprises the following steps：
a:Useless nitrile rubber and useless chlorinated scoline raw material are cleaned, weighed and mixed；
b：By useless nitrile rubber and useless chlorinated scoline blend put into pulverizer carry out crush granulation form micelle；
c：Micelle, antioxidant and softening agent are put into together desulfurization is carried out in desulfurizer；
d：Toughener, accelerator and fire retardant is added to be processed；
e：The product machined is cooled down, detected and packed.
Preferably, the parts by weight of nitrile rubber of being given up described in step a are 60-70, the weight of the useless chlorinated scoline Part is 20-30.
Preferably, micelle described in step b is 1-3 mesh.
Preferably, antioxidant described in step c is p-phenylenediamine, and the softening agent is pine tar.
Preferably, the parts by weight of micelle described in step c are 60-80, and the parts by weight of p-phenylenediamine are 0.1-0.3, and pine is burnt The parts by weight of oil are 0.6-0.8.
Preferably, the temperature described in step c in desulfurizer is 160-200 DEG C, pressure 3.4-3.8Mpa, during desulfurization Between be 30-60min.
Preferably, toughener described in step d is the copolymer of styrene and butadiene, and the accelerator is diphenylguanidine, The fire retardant is aluminium hydroxide.
Preferably, the parts by weight of the copolymer of styrene and butadiene described in step d are 0.3-0.7, the weight of diphenylguanidine Amount part is 0.2-0.4, and the parts by weight of aluminium hydroxide are 0.2-0.4.
Preferably, described in step c in sweetening process using microwave heating by the way of.
The beneficial effects of the invention are as follows：Compared to pure butyronitrile reclaimed rubber, this technique is by useless nitrile rubber and useless chlorination fourth Base rubber blend is processed to form reclaimed rubber, and regeneration is improved on the basis of nitrile rubber oil resistivity is not changed substantially The flexible resistance of rubber, effectively raises performance and the life-span of reclaimed rubber, while is added in sweetening process using microwave The mode of heat, substantially reduces desulfurization time, improves production efficiency, and also has in elasticity, anti-wear performance etc. aobvious The raising of work.
Embodiment
Below by embodiment, the invention will be further described.
Embodiment 1
A kind of production technology of the high oil resistant reclaimed rubber of flexible resistance, comprises the following steps：
a:The useless chlorinated scoline raw material of the useless nitrile rubber of 60 parts by weight and 20 parts by weight is cleaned, weigh and Mixing；
b：Useless nitrile rubber and useless chlorinated scoline blend are put into pulverizer to carry out crushing granulation 1 purpose of formation Micelle；
c：The pine tar of the micelle of 60 parts by weight, the p-phenylenediamine of 0.1 parts by weight and 0.6 parts by weight is put into together de- Carry out desulfurization in sulphur device, desulfurization temperature is 160 DEG C, and desulfurization pressure is 3.4Mpa, desulfurization time 30min, in sweetening process By the way of microwave heating；
d：Add the styrene of the 0.3 parts by weight and copolymer of butadiene, the diphenylguanidine of 0.2 parts by weight and 0.2 weight The aluminium hydroxide of amount part is processed；
e：The product machined is cooled down, detected and packed.
Embodiment 2
A kind of production technology of the high oil resistant reclaimed rubber of flexible resistance, comprises the following steps：
a:The useless chlorinated scoline raw material of the useless nitrile rubber of 65 parts by weight and 25 parts by weight is cleaned, weigh and Mixing；
b：Useless nitrile rubber and useless chlorinated scoline blend are put into pulverizer to carry out crushing granulation 2 purposes of formation Micelle；
c：The pine tar of the micelle of 70 parts by weight, the p-phenylenediamine of 0.2 parts by weight and 0.7 parts by weight is put into together de- Carry out desulfurization in sulphur device, desulfurization temperature is 180 DEG C, and desulfurization pressure is 3.6Mpa, desulfurization time 45min, in sweetening process By the way of microwave heating；
d：Add the styrene of the 0.5 parts by weight and copolymer of butadiene, the diphenylguanidine of 0.3 parts by weight and 0.3 weight The aluminium hydroxide of amount part is processed；
e：The product machined is cooled down, detected and packed.
Embodiment 3
A kind of production technology of the high oil resistant reclaimed rubber of flexible resistance, comprises the following steps：
a:The useless chlorinated scoline raw material of the useless nitrile rubber of 70 parts by weight and 30 parts by weight is cleaned, weigh and Mixing；
b：Useless nitrile rubber and useless chlorinated scoline blend are put into pulverizer to carry out crushing granulation 3 purposes of formation Micelle；
c：The pine tar of the micelle of 80 parts by weight, the p-phenylenediamine of 0.3 parts by weight and 0.8 parts by weight is put into together de- Carry out desulfurization in sulphur device, desulfurization temperature is 200 DEG C, and desulfurization pressure is 3.8Mpa, desulfurization time 60min, in sweetening process By the way of microwave heating；
d：Add the styrene of the 0.7 parts by weight and copolymer of butadiene, the diphenylguanidine of 0.4 parts by weight and 0.4 weight The aluminium hydroxide of amount part is processed；
e：The product machined is cooled down, detected and packed.
The beneficial effects of the invention are as follows：Compared to pure butyronitrile reclaimed rubber, this technique is by useless nitrile rubber and useless chlorination fourth Base rubber blend is processed to form reclaimed rubber, and regeneration is improved on the basis of nitrile rubber oil resistivity is not changed substantially The flexible resistance of rubber, effectively raises performance and the life-span of reclaimed rubber, while is added in sweetening process using microwave The mode of heat, substantially reduces desulfurization time, improves production efficiency, and also has in elasticity, anti-wear performance etc. aobvious The raising of work.
It is described above, only it is embodiments of the invention, is not the limitation for making any other form to the present invention, and Any modification or equivalent variations that technical spirit according to the present invention is made, still fall within scope of the present invention.

Claims (9)

  1. A kind of 1. production technology of the high oil resistant reclaimed rubber of flexible resistance, it is characterised in that：Comprise the following steps：
    a:Useless nitrile rubber and useless chlorinated scoline raw material are cleaned, weighed and mixed；
    b：By useless nitrile rubber and useless chlorinated scoline blend put into pulverizer carry out crush granulation form micelle；
    c：Micelle, antioxidant and softening agent are put into together desulfurization is carried out in desulfurizer；
    d：Toughener, accelerator and fire retardant is added to be processed；
    e：The product machined is cooled down, detected and packed.
  2. A kind of 2. production technology of the high oil resistant reclaimed rubber of flexible resistance according to claim 1, it is characterised in that：Step a Described in give up nitrile rubber parts by weight be 60-70, the parts by weight of the useless chlorinated scoline are 20-30.
  3. A kind of 3. production technology of the high oil resistant reclaimed rubber of flexible resistance according to claim 1, it is characterised in that：Step b Described in micelle be 1-3 mesh.
  4. A kind of 4. production technology of the high oil resistant reclaimed rubber of flexible resistance according to claim 1, it is characterised in that：Step c Described in antioxidant be p-phenylenediamine, the softening agent is pine tar.
  5. 5. according to a kind of production technology of the high oil resistant reclaimed rubber of flexible resistance of claim 1 or 3, it is characterised in that：Step The parts by weight of micelle are 60-80 described in rapid c, and the parts by weight of p-phenylenediamine are 0.1-0.3, and the parts by weight of pine tar are 0.6- 0.8。
  6. A kind of 6. production technology of the high oil resistant reclaimed rubber of flexible resistance according to claim 1, it is characterised in that：Step c Described in temperature in desulfurizer be 160-200 DEG C, pressure 3.4-3.8Mpa, desulfurization time 30-60min.
  7. A kind of 7. production technology of the high oil resistant reclaimed rubber of flexible resistance according to claim 1, it is characterised in that：Step d Described in toughener be styrene and butadiene copolymer, the accelerator is diphenylguanidine, and the fire retardant is hydroxide Aluminium.
  8. 8. according to a kind of production technology of the high oil resistant reclaimed rubber of flexible resistance of claim 1 or 6, it is characterised in that：Step The parts by weight of the copolymer of styrene and butadiene described in rapid d are 0.3-0.7, and the parts by weight of diphenylguanidine are 0.2-0.4, hydrogen The parts by weight of aluminum oxide are 0.2-0.4.
  9. 9. according to a kind of production technology of the high oil resistant reclaimed rubber of flexible resistance of claim 1 or 6, it is characterised in that：Step Described in rapid c in sweetening process by the way of microwave heating.
CN201710651049.7A 2017-08-02 2017-08-02 A kind of production technology of the high oil resistant reclaimed rubber of flexible resistance Withdrawn CN107501603A (en)

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Application Number Priority Date Filing Date Title
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105629A (en) * 1985-06-19 1987-05-27 车燃石油化学株式会社 Composition for thermoplastic elastomer (E-78)
CN101045799A (en) * 2007-04-17 2007-10-03 福建省晋江市陈埭江头茂泰橡塑厂 Preparation method of reclaimed rubber using microwave desulfurization method
CN105153559A (en) * 2015-09-02 2015-12-16 太仓顺如成建筑材料有限公司 Technology for manufacturing wearproof high-elasticity chlorinated butyl reclaimed rubber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105629A (en) * 1985-06-19 1987-05-27 车燃石油化学株式会社 Composition for thermoplastic elastomer (E-78)
CN101045799A (en) * 2007-04-17 2007-10-03 福建省晋江市陈埭江头茂泰橡塑厂 Preparation method of reclaimed rubber using microwave desulfurization method
CN105153559A (en) * 2015-09-02 2015-12-16 太仓顺如成建筑材料有限公司 Technology for manufacturing wearproof high-elasticity chlorinated butyl reclaimed rubber

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