CN107353519A - A kind of modified high rigidity yielding rubber pad and its preparation technology - Google Patents
A kind of modified high rigidity yielding rubber pad and its preparation technology Download PDFInfo
- Publication number
- CN107353519A CN107353519A CN201710570810.4A CN201710570810A CN107353519A CN 107353519 A CN107353519 A CN 107353519A CN 201710570810 A CN201710570810 A CN 201710570810A CN 107353519 A CN107353519 A CN 107353519A
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- rubber
- minutes
- sizing material
- vulcanized
- magnesia
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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
- C08L23/26—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
-
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
Abstract
The invention discloses a kind of modified high rigidity yielding rubber pad and its preparation technology, it is related to rubber blanket fabricating technology field.Include the raw material of following parts by weight：Chlorinated scoline 100 120, zinc oxide 5 10, magnesia 12, sulphur 25, high styrene resin 10 15, high wear-resistant carbon black 20 25, hydraulic oil 7 10, altax 12.The present invention on the premise of it ensure that damping effect, improves the hardness, abrasive resistance and anti-fatigue performance of rubber blanket, enhances the use intensity and service life of rubber blanket by carrying out proportioning again to the raw material of rubber blanket；In calendering process, fed intake by two-period form, put into rubber and compounding ingredient in batches, compounding ingredient mixes evenly in mixing process, and the sizing material quality produced is higher；In sulfuration process, hot water is used alternatingly and is vulcanized with hot-air, while ensure that the outward appearance of finished product, accelerate curingprocess rate, reduce cure time, prevent ageing of rubber.
Description
Technical field
The invention belongs to rubber blanket fabricating technology field, more particularly to a kind of modified high rigidity yielding rubber pad and
Its preparation technology.
Background technology
The primary raw material of rubber is rubber, various compounding ingredients and fiber and metal material as framework material,
The basic production technical process of rubber includes plasticating, being kneaded, rolling, extruding, being molded, vulcanizing 6 basic working procedures.Rubber
Machining process is mainly the process for solving plasticity and elastic contradiction, passes through various manufacturing process so that elastic rubber becomes
Into the broken-down rubber with plasticity, semi-finished product are made adding various compounding ingredients, are then the semi-finished product with plasticity by vulcanization
Become elastic rubber high, physical and mechanical properties is good again.Mixing refers to uniformly mix various compounding ingredients on rubber mixing machine
To the process of rubber kind.
The quality of mixing be on sizing material be processed further and the quality of finished product has conclusive influence, even if formula very
Good sizing material, if mixing is bad, the scattered inequality of compounding ingredient also just occurs, sizing material plasticity is too high or too low, easy incipient scorch, spray
Frost etc., prevent the techniques such as calendering, extrusion, gluing and vulcanization from being normally carried out, and also result in product properties decline.Therefore send out
Bright a kind of modified high rigidity yielding rubber pad and its preparation technology, strictly control sizing compound formula, ensureing the premise of damping effect
Under, improve hardness, abrasive resistance and anti-fatigue performance.
The content of the invention
It is an object of the invention to provide a kind of modified high rigidity yielding rubber pad and its preparation technology, by rubber blanket
Raw material carry out proportioning again, on the premise of it ensure that damping effect, improve the hardness of rubber blanket, abrasive resistance and
Anti-fatigue performance, enhance the use intensity and service life of rubber blanket；In calendering process, fed intake by two-period form, point
Batch puts into rubber and compounding ingredient, and compounding ingredient mixes evenly in mixing process, and the sizing material quality produced is higher；In sulfuration process
In, hot water is used alternatingly and is vulcanized with hot-air, while both having ensure that the outward appearance of finished product, accelerates curingprocess rate, reduces
Cure time, prevents ageing of rubber.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of modified high rigidity yielding rubber pad, includes the raw material of following parts by weight：Chlorinated scoline
100-120, zinc oxide 5-10, magnesia 1-2, sulphur 2-5, high styrene resin 10-15, high wear-resistant carbon black 20-25, hydraulic oil
7-10, altax 1-2.
Further, the raw material of following parts by weight is included：Chlorinated scoline 110, zinc oxide 6, magnesia 1, sulphur 3,
High styrene resin 12, high wear-resistant carbon black 22, hydraulic oil 8, altax 1.
A kind of preparation technology of modified high rigidity yielding rubber pad, comprises the following steps：
The first step：Modeling is practiced
Chlorinated scoline is removed water, dedusting, carries out crushing operation except being put into after water process in pulverizer, and to chlorine
Change butyl rubber and carry out heating burin-in process, baking time is 7-10 minutes, and baking temperature is 65-75 DEG C；
Second step：It is kneaded
High styrene resin, the high wear-resistant carbon black of the chlorinated scoline point half crushed and half are put into refining glue
After refining 5-6 minutes at 70-120 DEG C at 70-120 DEG C in machine, the zinc oxide, magnesia and hydraulic oil that add half mix
30-40 minutes are refined, then by remaining chlorinated scoline, high styrene resin, high wear-resistant carbon black, zinc oxide, magnesia and liquid
Press oil sulphur and altax 1 puts into and 20-30 minutes are kneaded in rubber mixing machine；
Second step：Extrusion
The sizing material being kneaded is put on extruder and extruded, ensure film shape size and rubber blanket prepares mould
It is engaged correspondingly, extrusion temperature is 55~75 DEG C；
3rd step：Blanking
The adhesive tape of extrusion is put on blanking machine and cut, controls the size and weight of sizing material；Check sizing material zero defect
Deposit standby；
4th step：Die casting
By sizing material in the plug tube of die casting machine, sizing material is cast into die cavity preforming semi-finished product are made under elevated pressure, in advance
Molding semi product waits vulcanization after making；
5th step：Vulcanization
By preforming semi-finished product it is die-filling after be put into vulcanizer and vulcanized, be first passed through hot-air and vulcanized, vulcanization temperature
Spend for 130-140 DEG C, cure time is 8-10 minutes；Disconnect hot-air access hot water again directly to be vulcanized, curing temperature is
140-150 DEG C, cure time is 8-10 minutes；Finally disconnect hot water access hot-air to be vulcanized, curing temperature 150-160
DEG C, cure time is 10-15 minutes；
6th step：Arrange, examine storage
The rubber sleeve that mold cure goes out is subjected to deburring, trimming with scissors；Examine the burr of the rubber sleeve after arranging, fly
Side phenomenon, qualified products storage is preserved after defect ware will be removed.
Further the present invention is explained and illustrated：
Experimental contrast analysis is carried out below for modified yielding rubber pad and traditional General Purpose Rubber pad：
From experimental contrast analysis as can be seen that the properties of modified yielding rubber pad have larger lifting.
The invention has the advantages that：
1st, the present invention on the premise of it ensure that damping effect, is carried by carrying out proportioning again to the raw material of rubber blanket
The hardness, abrasive resistance and anti-fatigue performance of rubber blanket have been risen, the use intensity and service life of rubber blanket has been enhanced, makes
The operation of engine is more safe and reliable, substantially reduces the maintenance cost of engine.
2nd, in calendering process of the present invention in preparation process, fed intake by two-period form, put into rubber in batches with coordinating
Agent, evenly, the sizing material quality produced is higher for compounding ingredient mixing in mixing process.
3rd, in sulfuration process of the present invention in preparation process, hot water is used alternatingly and is vulcanized with hot-air, is ensureing
While the outward appearance of finished product, curingprocess rate is accelerated, reduces cure time, prevent ageing of rubber.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
The present invention is a kind of modified high rigidity yielding rubber pad and its preparation technology, includes the raw material of following parts by weight：
Chlorinated scoline 100-120, zinc oxide 5-10, magnesia 1-2, sulphur 2-5, high styrene resin 10-15, height
Abrasion resistant carbon black 20-25, hydraulic oil 7-10, altax 1-2.
Wherein, the raw material of following parts by weight is included：Chlorinated scoline 110, zinc oxide 6, magnesia 1, sulphur 3, high benzene
Vinyl 12, high wear-resistant carbon black 22, hydraulic oil 8, altax 1.
A kind of preparation technology of modified high rigidity yielding rubber pad, comprises the following steps：
The first step：Modeling is practiced
Chlorinated scoline is removed water, dedusting, carries out crushing operation except being put into after water process in pulverizer, and to chlorine
Change butyl rubber and carry out heating burin-in process, baking time is 7-10 minutes, and baking temperature is 65-75 DEG C；
Second step：It is kneaded
High styrene resin, the high wear-resistant carbon black of the chlorinated scoline point half crushed and half are put into refining glue
After refining 5-6 minutes at 70-120 DEG C at 70-120 DEG C in machine, the zinc oxide, magnesia and hydraulic oil that add half mix
30-40 minutes are refined, then by remaining chlorinated scoline, high styrene resin, high wear-resistant carbon black, zinc oxide, magnesia and liquid
Press oil sulphur and altax 1 puts into and 20-30 minutes are kneaded in rubber mixing machine；
Second step：Extrusion
(1) sizing material being kneaded is put on extruder and extruded, ensure the preparation of film shape size and rubber blanket
Mould is engaged correspondingly, and extrusion temperature is 55~75 DEG C；
3rd step：Blanking
The adhesive tape of extrusion is put on blanking machine and cut, controls the size and weight of sizing material；Check sizing material zero defect
Deposit standby；
4th step：Die casting
By sizing material in the plug tube of die casting machine, sizing material is cast into die cavity preforming semi-finished product are made under elevated pressure, in advance
Molding semi product waits vulcanization after making；
5th step：Vulcanization
By preforming semi-finished product it is die-filling after be put into vulcanizer and vulcanized, be first passed through hot-air and vulcanized, vulcanization temperature
Spend for 130-140 DEG C, cure time is 8-10 minutes；Disconnect hot-air access hot water again directly to be vulcanized, curing temperature is
140-150 DEG C, cure time is 8-10 minutes；Finally disconnect hot water access hot-air to be vulcanized, curing temperature 150-160
DEG C, cure time is 10-15 minutes；
6th step：Arrange, examine storage
The rubber sleeve that mold cure goes out is subjected to deburring, trimming with scissors；Examine the burr of the rubber sleeve after arranging, fly
Side phenomenon, qualified products storage is preserved after defect ware will be removed.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (3)
1. a kind of modified high rigidity yielding rubber pad, it is characterised in that include the raw material of following parts by weight：Chlorinated scoline
100-120, zinc oxide 5-10, magnesia 1-2, sulphur 2-5, high styrene resin 10-15, high wear-resistant carbon black 20-25, hydraulic oil
7-10, altax 1-2.
2. a kind of modified high rigidity yielding rubber pad according to claim 1, it is characterised in that including following parts by weight
Raw material：Chlorinated scoline 110, zinc oxide 6, magnesia 1, sulphur 3, high styrene resin 12, high wear-resistant carbon black 22, hydraulic oil
8th, altax 1.
3. a kind of preparation technology of modified high rigidity yielding rubber pad, it is characterised in that comprise the following steps：
The first step：Modeling is practiced
Chlorinated scoline is removed water, dedusting, carries out crushing operation except being put into after water process in pulverizer, and to chlorination fourth
Base rubber carries out heating burin-in process, and baking time is 7-10 minutes, and baking temperature is 65-75 DEG C；
Second step：It is kneaded
High styrene resin, the high wear-resistant carbon black of the chlorinated scoline point half crushed and half are put into rubber mixing machine
After refining 5-6 minutes at 70-120 DEG C at 70-120 DEG C, the zinc oxide, magnesia and hydraulic oil that add half are kneaded 30-
40 minutes, then by remaining chlorinated scoline, high styrene resin, high wear-resistant carbon black, zinc oxide, magnesia and hydraulic oil
Sulphur and altax 1, which are put into, is kneaded 20-30 minutes in rubber mixing machine；
Second step：Extrusion
The sizing material being kneaded is put on extruder and extruded, ensures that the mould for preparing of film shape size and rubber blanket matches
Close and correspond to, extrusion temperature is 55~75 DEG C；
3rd step：Blanking
The adhesive tape of extrusion is put on blanking machine and cut, controls the size and weight of sizing material, checks the storage of sizing material zero defect
It is standby；
4th step：Die casting
By sizing material in the plug tube of die casting machine, sizing material is cast into die cavity preforming semi-finished product are made under elevated pressure, it is preforming
Semi-finished product wait vulcanization after making；
5th step：Vulcanization
By preforming semi-finished product it is die-filling after be put into vulcanizer and vulcanized, be first passed through hot-air and vulcanized, curing temperature is
130-140 DEG C, cure time is 8-10 minutes；Disconnect hot-air access hot water again directly to be vulcanized, curing temperature 140-
150 DEG C, cure time is 8-10 minutes；Hot water access hot-air is finally disconnected to be vulcanized, curing temperature is 150-160 DEG C,
Cure time is 10-15 minutes；
6th step：Arrange, examine storage
The rubber sleeve that mold cure goes out is subjected to deburring, trimming with scissors；Examine burr, the overlap of the rubber sleeve after arranging existing
As qualified products storage is preserved after removing defect ware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570810.4A CN107353519A (en) | 2017-07-13 | 2017-07-13 | A kind of modified high rigidity yielding rubber pad and its preparation technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570810.4A CN107353519A (en) | 2017-07-13 | 2017-07-13 | A kind of modified high rigidity yielding rubber pad and its preparation technology |
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| CN107353519A true CN107353519A (en) | 2017-11-17 |
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| CN201710570810.4A Pending CN107353519A (en) | 2017-07-13 | 2017-07-13 | A kind of modified high rigidity yielding rubber pad and its preparation technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645351A (en) * | 2020-06-03 | 2020-09-11 | 柏福实业(上海)有限公司 | Preparation process and application of multipurpose biological plastic mat |
| CN113927757A (en) * | 2021-10-26 | 2022-01-14 | 泉州捷恒机械有限公司 | Damping mechanism for stone cutting machine and machining process of damping mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544840A (en) * | 2009-05-04 | 2009-09-30 | 杭州中策橡胶有限公司 | Blending composition of high-degree crystalline polymer and amorphous conventional rubber and application thereof |
| CN105462265A (en) * | 2015-12-30 | 2016-04-06 | 崇夕山 | High-performance rubber gasket for automobile shock absorber |
| CN106496825A (en) * | 2016-10-25 | 2017-03-15 | 上海工程技术大学 | A kind of rubber plastic blend damping rubber and preparation method thereof |
-
2017
- 2017-07-13 CN CN201710570810.4A patent/CN107353519A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544840A (en) * | 2009-05-04 | 2009-09-30 | 杭州中策橡胶有限公司 | Blending composition of high-degree crystalline polymer and amorphous conventional rubber and application thereof |
| CN105462265A (en) * | 2015-12-30 | 2016-04-06 | 崇夕山 | High-performance rubber gasket for automobile shock absorber |
| CN106496825A (en) * | 2016-10-25 | 2017-03-15 | 上海工程技术大学 | A kind of rubber plastic blend damping rubber and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 李尹熙: "《汽车用非金属材料》", 31 August 1999, 北京理工大学出版社 * |
| 橡胶工业原材料与装备简明手册编审委员会编著: "《橡胶工业原材料与装备简明手册》", 30 November 2016, 北京理工大学出版社 * |
| 汪德涛: "《润滑油及润滑脂实用手册》", 31 January 2003, 广东科技出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645351A (en) * | 2020-06-03 | 2020-09-11 | 柏福实业(上海)有限公司 | Preparation process and application of multipurpose biological plastic mat |
| CN113927757A (en) * | 2021-10-26 | 2022-01-14 | 泉州捷恒机械有限公司 | Damping mechanism for stone cutting machine and machining process of damping mechanism |
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Application publication date: 20171117 |