CN108102343A - A kind of high temperature resistant polyether types of polyurethane rubber and preparation method thereof - Google Patents
A kind of high temperature resistant polyether types of polyurethane rubber and preparation method thereof Download PDFInfo
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- CN108102343A CN108102343A CN201611054436.4A CN201611054436A CN108102343A CN 108102343 A CN108102343 A CN 108102343A CN 201611054436 A CN201611054436 A CN 201611054436A CN 108102343 A CN108102343 A CN 108102343A
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- 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
- C08K3/02—Elements
- C08K3/04—Carbon
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention belongs to technical field of rubber material, are related to a kind of high temperature resistant polyether types of polyurethane rubber and preparation method thereof.A kind of high temperature resistant polyether types of polyurethane rubber, is prepared by the raw material of following parts by weight：100 110 parts of polyurethane raw rubber, 30 50 parts of reinforcing agent, 12 parts of vulcanizing agent, 1 1.5 parts of dual-tert-butyl cumene hydroperoxide, 12 parts of stearic acid.The preparation method of the present invention includes plasticating, being kneaded, vulcanizing three steps.The invention has the advantages that intensity is high, and elasticity is good, and ageing-resistant performance is strong, flame retardant property is good.
Description
Technical field
The invention belongs to technical field of rubber material, are related to a kind of high temperature resistant polyether types of polyurethane rubber and its preparation side
Method.
Background technology
Polyurethane rubber has high mechanical strength, oil resistant wearability is good, hardness range is wide, mechanical compared with General Purpose Rubber
The features such as processing performance is prominent, surface smoothness is high and the adhesive strength of metal is high, in recent years in printing packaging woven metal
The industries such as cold rolling papermaking are widely applied.
Polyurethane elastomer is divided into blending-type polyurethane, casting type polyurethane and thermoplastic polyurethane by processing method；It is mixed
Refining type polyurethane rubber has 3 kinds of vulcanizing systems, wherein sulfur vulcanization such as sulfur vulcanization, peroxide cure, isocyanates vulcanization
It is most general method, the mixing rubber tearing-resistant performance of system vulcanization is excellent, and the rubber of peroxide cure is with resistance to
High rigidity mixed milling type glue can be made in the characteristics of good compressive deformation of ageing properties is low, isocyanates vulcanizing system.
The most products of studies in China and exploitation millable polyurethane elastomer are polyester-type mixed milling type glue, and polyether-type is very
Few, the product grade more application scope of external polyurethane millable rubbers is wider, therefore, develops a kind of polyether polyurethane rubber
Glue is very important.
The content of the invention
In view of the problems of the existing technology, it is an object of the invention to provide high temperature resistant polyether types of polyurethane rubber and its
Preparation method.High temperature resistant polyether types of polyurethane rubber of the present invention has intensity high, and elasticity is good, and ageing-resistant performance is strong, flame retardant property
The advantages that good；Preparation method of the present invention and easy to operate.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of high temperature resistant polyether types of polyurethane rubber, is prepared by the raw material of following parts by weight：Polyurethane raw rubber 100-110
Part, 30-50 parts of reinforcing agent, 1-2 parts of vulcanizing agent, 1-1.5 parts of dual-tert-butyl cumene hydroperoxide, 1-2 parts of stearic acid.
A preferred embodiment of the present invention is prepared by the raw material of following parts by weight：100 parts of polyurethane raw rubber is mended
Strong 30 parts of agent, 1.6 parts of vulcanizing agent, 1 part of dual-tert-butyl cumene hydroperoxide, 1 part of stearic acid.
The reinforcing agent is carbon black.
The vulcanizing agent is oxidation diisopropylbenzene (DIPB).
A kind of preparation method of high temperature resistant polyether types of polyurethane rubber, step are as follows：
The first step is plasticated
Polyurethane raw rubber is weighed in parts by weight, is put into mixer and plasticates, and temperature is 120-140 DEG C, time 10-
15min adds reinforcing agent and vulcanizing agent, continues the 5-10min that plasticates, and 4-8h is parked after plasticating；
Second step is kneaded
Surplus stock is all put into mixer and is kneaded, rotor speed 80-100r/min, time 15-25min,
It is put into open mill and is kneaded again, be 50-60 DEG C by the batch mixing dump temperature after mixing, rubber compound is made；
3rd step vulcanizes
Rubber compound is placed on vulcanizing press and is vulcanized, curing temperature be 170-190 DEG C, vulcanization time for 5-10min to get into
Product.
Beneficial effects of the present invention：The present invention's has preferable heat resistant performance.When peroxide DCP is 1.6
During part, comprehensive mechanical property of the invention is good（As shown in table 1）.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still
It should be appreciated that these descriptions are simply for the feature and advantage that further illustrate the present invention rather than to the claims in the present invention
Limitation.
Embodiment 1
A kind of high temperature resistant polyether types of polyurethane rubber, is prepared by the raw material of following parts by weight：105 parts of polyurethane raw rubber,
40 parts of reinforcing agent carbon black, 1.4 parts of diisopropylbenzene (DIPB) of vulcanizing agent oxidation, 0.8 part of dual-tert-butyl cumene hydroperoxide, 2 parts of stearic acid.
Preparation method, step are as follows：
The first step is plasticated
Polyurethane raw rubber is weighed in parts by weight, is put into mixer and plasticates, and temperature is 120-140 DEG C, time 10-
15min adds reinforcing agent and vulcanizing agent, continues the 5-10min that plasticates, and 4-8h is parked after plasticating；
Second step is kneaded
Surplus stock is all put into mixer and is kneaded, rotor speed 80-100r/min, time 15-25min,
It is put into open mill and is kneaded again, be 50-60 DEG C by the batch mixing dump temperature after mixing, rubber compound is made；
3rd step vulcanizes
Rubber compound is placed on vulcanizing press and is vulcanized, curing temperature be 170-190 DEG C, vulcanization time for 5-10min to get into
Product.
Embodiment 2
A kind of high temperature resistant polyether types of polyurethane rubber, is prepared by the raw material of following parts by weight：100 parts of polyurethane raw rubber,
30 parts of reinforcing agent carbon black, 1.6 parts of diisopropylbenzene (DIPB) of vulcanizing agent oxidation, 1 part of dual-tert-butyl cumene hydroperoxide, 1.5 parts of stearic acid.
Preparation method, step are as follows：
The first step is plasticated
Polyurethane raw rubber is weighed in parts by weight, is put into mixer and plasticates, and temperature is 120-140 DEG C, time 10-
15min adds reinforcing agent and vulcanizing agent, continues the 5-10min that plasticates, and 4-8h is parked after plasticating；
Second step is kneaded
Surplus stock is all put into mixer and is kneaded, rotor speed 80-100r/min, time 15-25min,
It is put into open mill and is kneaded again, be 50-60 DEG C by the batch mixing dump temperature after mixing, rubber compound is made；
3rd step vulcanizes
Rubber compound is placed on vulcanizing press and is vulcanized, curing temperature be 170-190 DEG C, vulcanization time for 5-10min to get into
Product.
Embodiment 3
A kind of high temperature resistant polyether types of polyurethane rubber, is prepared by the raw material of following parts by weight：110 parts of polyurethane raw rubber,
50 parts of reinforcing agent carbon black, 1.8 parts of diisopropylbenzene (DIPB) of vulcanizing agent oxidation, 1.2 parts of dual-tert-butyl cumene hydroperoxide, 1 part of stearic acid.
Preparation method, step are as follows：
The first step is plasticated
Polyurethane raw rubber is weighed in parts by weight, is put into mixer and plasticates, and temperature is 120-140 DEG C, time 10-
15min adds reinforcing agent and vulcanizing agent, continues the 5-10min that plasticates, and 4-8h is parked after plasticating；
Second step is kneaded
Surplus stock is all put into mixer and is kneaded, rotor speed 80-100r/min, time 15-25min,
It is put into open mill and is kneaded again, be 50-60 DEG C by the batch mixing dump temperature after mixing, rubber compound is made；
3rd step vulcanizes
Rubber compound is placed on vulcanizing press and is vulcanized, curing temperature be 170-190 DEG C, vulcanization time for 5-10min to get into
Product.
First, performance detection
Tensile strength elongation rate of tensile failure modulus and tensile set are tested by GB/T258-2009；Shore a hardness presses GB/
T531-2008 is tested；Tearing strength is tested by GB/T529-2008；Impact elasticity is tested by GB/T681-2009；Hot-air adds
Fast degradation is tested by GB/T3512-2001；Compression set is tested by GB/T7759-1996.
1st, performance detection is carried out to high temperature resistant polyether types of polyurethane rubber prepared by embodiment 1-3, as a result such as table 1.
High temperature resistant polyether types of polyurethane rubber rationality index table prepared by 1 embodiment 1-3 of table.
2nd, hot air aging, 70 DEG C of aging condition are carried out to high temperature resistant polyether types of polyurethane rubber prepared by embodiment 1-3
Performance detection after × 5d, as a result such as table 2.
High temperature resistant polyether types of polyurethane rubber thermal aging property rationality index table prepared by 2 embodiment 1-3 of table.
As shown in Table 1, tensile strength ＞ 23MPa of the invention；Elongation rate of tensile failure >=377%；Tearing strength ＞ 59；Impact
Elasticity >=35%；Tensile set >=5%, physical property of the invention meet company standard, the substantially rubber with existing maturation
Colloidality can maintain an equal level, and illustrate that the present invention has good intensity, elasticity.As shown in Table 2, after 70 DEG C × 5d of aging condition, Shao Er A
Hardness conservation rate >=100%, stretching strength retentivity ＞ 100%, elongation rate of tensile failure conservation rate >=101%, tearing strength are kept
The MPa of rate >=101, illustrates that heat resistant performance of the present invention is good.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
The described technical solution of inventive embodiments, it will be understood by those of ordinary skill in the art that, still the present invention can be carried out
Modification or equivalent substitution, to reach identical technique effect；As long as meeting using needs, all protection scope of the present invention it
It is interior.
Claims (5)
1. a kind of high temperature resistant polyether types of polyurethane rubber, it is characterised in that：It is prepared by the raw material of following parts by weight：Poly- ammonia
100-110 parts of ester raw rubber, 30-50 parts of reinforcing agent, 1-2 parts of vulcanizing agent, 1-1.5 parts of dual-tert-butyl cumene hydroperoxide, tristearin
It is 1-2 parts sour.
2. high temperature resistant polyether types of polyurethane rubber according to claim 1, it is characterised in that：By the original of following parts by weight
Material is prepared：100 parts of polyurethane raw rubber, 30 parts of reinforcing agent, 1.6 parts of vulcanizing agent, 1 part of dual-tert-butyl cumene hydroperoxide,
1 part of stearic acid.
3. high temperature resistant polyether types of polyurethane rubber according to claim 1, it is characterised in that：The reinforcing agent is carbon black.
4. high temperature resistant polyether types of polyurethane rubber according to claim 1, it is characterised in that：The vulcanizing agent is oxidation two
Isopropylbenzene.
5. a kind of preparation method of any high temperature resistant polyether types of polyurethane rubber according to claim 1-4, feature exist
In：Step is as follows：
The first step is plasticated
Polyurethane raw rubber is weighed in parts by weight, is put into mixer and plasticates, and temperature is 120-140 DEG C, time 10-
15min adds reinforcing agent and vulcanizing agent, continues the 5-10min that plasticates, and 4-8h is parked after plasticating；
Second step is kneaded
Surplus stock is all put into mixer and is kneaded, rotor speed 80-100r/min, time 15-25min,
It is put into open mill and is kneaded again, be 50-60 DEG C by the batch mixing dump temperature after mixing, rubber compound is made；
3rd step vulcanizes
Rubber compound is placed on vulcanizing press and is vulcanized, curing temperature be 170-190 DEG C, vulcanization time for 5-10min to get into
Product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054436.4A CN108102343A (en) | 2016-11-25 | 2016-11-25 | A kind of high temperature resistant polyether types of polyurethane rubber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054436.4A CN108102343A (en) | 2016-11-25 | 2016-11-25 | A kind of high temperature resistant polyether types of polyurethane rubber and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108102343A true CN108102343A (en) | 2018-06-01 |
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| CN201611054436.4A Pending CN108102343A (en) | 2016-11-25 | 2016-11-25 | A kind of high temperature resistant polyether types of polyurethane rubber and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527061A (en) * | 2019-09-04 | 2019-12-03 | 广东工业大学 | A kind of silica in situ filling blending-type polyurethane elastomer and preparation method thereof |
| CN111518387A (en) * | 2020-04-24 | 2020-08-11 | 上海蓝昊电气江苏有限公司 | Super-wear-resistant high-elasticity vulcanized polyurethane cable sheath material and preparation method thereof |
| CN111696720A (en) * | 2020-04-24 | 2020-09-22 | 上海蓝昊电气有限公司 | Lightweight reel high-voltage cable and preparation method thereof |
| CN111793173A (en) * | 2020-07-16 | 2020-10-20 | 东莞华工佛塑新材料有限公司 | High-hardness high-fluidity polyether polyurethane rubber compound |
| CN113683882A (en) * | 2021-08-11 | 2021-11-23 | 东莞华工佛塑新材料有限公司 | Polyurethane rubber compound for dust cover of automobile shock absorption part |
| CN115637040A (en) * | 2022-10-29 | 2023-01-24 | 贵州红阳机械有限责任公司 | High-hardness and oil-resistant polyurethane rubber and preparation method thereof |
| CN115637039A (en) * | 2022-10-29 | 2023-01-24 | 贵州红阳机械有限责任公司 | Low-compression-set polyurethane rubber and preparation method thereof |
-
2016
- 2016-11-25 CN CN201611054436.4A patent/CN108102343A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527061A (en) * | 2019-09-04 | 2019-12-03 | 广东工业大学 | A kind of silica in situ filling blending-type polyurethane elastomer and preparation method thereof |
| CN111518387A (en) * | 2020-04-24 | 2020-08-11 | 上海蓝昊电气江苏有限公司 | Super-wear-resistant high-elasticity vulcanized polyurethane cable sheath material and preparation method thereof |
| CN111696720A (en) * | 2020-04-24 | 2020-09-22 | 上海蓝昊电气有限公司 | Lightweight reel high-voltage cable and preparation method thereof |
| CN111793173A (en) * | 2020-07-16 | 2020-10-20 | 东莞华工佛塑新材料有限公司 | High-hardness high-fluidity polyether polyurethane rubber compound |
| CN113683882A (en) * | 2021-08-11 | 2021-11-23 | 东莞华工佛塑新材料有限公司 | Polyurethane rubber compound for dust cover of automobile shock absorption part |
| CN115637040A (en) * | 2022-10-29 | 2023-01-24 | 贵州红阳机械有限责任公司 | High-hardness and oil-resistant polyurethane rubber and preparation method thereof |
| CN115637039A (en) * | 2022-10-29 | 2023-01-24 | 贵州红阳机械有限责任公司 | Low-compression-set polyurethane rubber and preparation method thereof |
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Application publication date: 20180601 |