CN106188726A - Arctic rubber compositions and the preparation method of arctic rubber - Google Patents
Arctic rubber compositions and the preparation method of arctic rubber Download PDFInfo
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- CN106188726A CN106188726A CN201610528923.3A CN201610528923A CN106188726A CN 106188726 A CN106188726 A CN 106188726A CN 201610528923 A CN201610528923 A CN 201610528923A CN 106188726 A CN106188726 A CN 106188726A
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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
- C08L21/00—Compositions of unspecified rubbers
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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
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
- 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
-
- 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
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3415—Five-membered rings
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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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
- C08K3/18—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
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of arctic rubber compositions and the preparation method of arctic rubber, wherein, described preparation method includes: white carbon black is soaked in 30 40min in hydrogen peroxide, obtains modified carbon black after filtration；By mixing to rubber, zinc oxide, dibutyl phthalate, modified carbon black, vulcanizing agent PDM and diisooctyl phthalate, obtain arctic rubber；This arctic rubber possesses excellent tolerance to cold.
Description
Technical Field
The invention relates to the field of rubber preparation, in particular to a cold-resistant rubber composition and a preparation method of cold-resistant rubber.
Background
The rubber industry is one of the important basic industries of national economy. It not only provides daily and medical light industrial rubber products which are indispensable to daily life for people, but also provides various rubber production equipment or rubber parts for heavy industries such as mining, traffic, building, machinery, electronics and the like and emerging industries. The cold resistance of general rubber is insufficient, the rubber easily loses elasticity in the environment below-20 ℃, becomes hard and brittle, and has vitrification or crystallization phenomenon, thereby greatly limiting the application range of the rubber.
Disclosure of Invention
The invention aims to provide a cold-resistant rubber composition and a preparation method of cold-resistant rubber, wherein the cold-resistant rubber has excellent cold resistance.
In order to achieve the above object, the present invention provides a cold-resistant rubber composition comprising: raw rubber, zinc oxide, dibutyl phthalate, modified carbon black, a vulcanizing agent PDM and diisooctyl phthalate; wherein the modified carbon black is obtained by soaking carbon black in hydrogen peroxide and filtering.
The invention also provides a preparation method of the cold-resistant rubber, wherein the preparation method comprises the following steps:
(1) soaking carbon black in hydrogen peroxide for 30-40min, and filtering to obtain modified carbon black;
(2) mixing raw rubber, zinc oxide, dibutyl phthalate, modified carbon black, a vulcanizing agent PDM and diisooctyl phthalate to obtain cold-resistant rubber; wherein,
relative to 100 parts by weight of raw rubber, the using amount of the zinc oxide is 3-10 parts by weight, the using amount of the dibutyl phthalate is 4-15 parts by weight, the using amount of the modified carbon black is 3-12 parts by weight, the using amount of the vulcanizing agent PDM is 2-6 parts by weight, and the using amount of the diisooctyl phthalate is 2-15 parts by weight.
Through the technical scheme, the invention provides a cold-resistant rubber composition and a preparation method of cold-resistant rubber, wherein the preparation method comprises the following steps: soaking carbon black in hydrogen peroxide for 30-40min, and filtering to obtain modified carbon black; mixing raw rubber, zinc oxide, dibutyl phthalate, modified carbon black, a vulcanizing agent PDM and diisooctyl phthalate to obtain cold-resistant rubber; through the synergistic effect of the raw materials, the prepared cold-resistant rubber has excellent cold resistance, and meanwhile, the method for preparing the cold-resistant rubber is simple and the raw materials are easy to obtain.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides a cold-resistant rubber composition, which comprises the following components in parts by weight: raw rubber, zinc oxide, dibutyl phthalate, modified carbon black, a vulcanizing agent PDM and diisooctyl phthalate; wherein the modified carbon black is obtained by soaking carbon black in hydrogen peroxide and filtering.
In a preferred embodiment of the present invention, in order to further improve the cold resistance of the rubber obtained, the amount of the zinc oxide is 3 to 10 parts by weight, the amount of the dibutyl phthalate is 4 to 15 parts by weight, the amount of the modified carbon black is 3 to 12 parts by weight, the amount of the vulcanizing agent PDM is 2 to 6 parts by weight, and the amount of the diisooctyl phthalate is 2 to 15 parts by weight, relative to 100 parts by weight of raw rubber.
Preferably, the zinc oxide is used in an amount of 5-8 parts by weight, the dibutyl phthalate is used in an amount of 6-12 parts by weight, the modified carbon black is used in an amount of 5-7 parts by weight, the vulcanizing agent PDM is used in an amount of 4-5 parts by weight, and the diisooctyl phthalate is used in an amount of 5-10 parts by weight, relative to 100 parts by weight of raw rubber.
In a preferred embodiment of the invention, in order to further improve the mechanical strength of the prepared rubber, the carbon black is modified by soaking in hydrogen peroxide before use, the concentration of the hydrogen peroxide is 30-50 wt%, and the soaking time is preferably 30-40 min.
The carbon black may be of the type conventionally used by those skilled in the art, for example, in a preferred embodiment of the present invention, the carbon black has a particle size of 30 to 40nm in order to further improve the mechanical strength of the rubber produced.
The invention also provides a preparation method of the cold-resistant rubber, which comprises the following steps: soaking carbon black in hydrogen peroxide for 30-40min, and filtering to obtain modified carbon black; mixing raw rubber, zinc oxide, dibutyl phthalate, modified carbon black, a vulcanizing agent PDM and diisooctyl phthalate to obtain cold-resistant rubber; the rubber comprises, by weight, 100 parts of raw rubber, 3-10 parts of zinc oxide, 4-15 parts of dibutyl phthalate, 3-12 parts of modified carbon black, 2-6 parts of vulcanizing agent PDM and 2-15 parts of diisooctyl phthalate.
In a preferred embodiment of the present invention, in order to further improve the cold resistance of the rubber obtained, the zinc oxide is used in an amount of 5 to 8 parts by weight, the dibutyl phthalate is used in an amount of 6 to 12 parts by weight, the modified carbon black is used in an amount of 5 to 7 parts by weight, the vulcanizing agent PDM is used in an amount of 4 to 5 parts by weight, and the diisooctyl phthalate is used in an amount of 5 to 10 parts by weight, based on 100 parts by weight of raw rubber.
The mixing can be carried out according to the mixing method conventionally adopted in the field, the mixing temperature in the mixing process can not be further limited as long as the uniform mixing is ensured, for example, in a preferred embodiment of the invention, the mixing is completed as far as possible under the premise of saving energy, and the temperature in the mixing can be selected to be 115-135 ℃.
The present invention will be described in detail below by way of examples. In the following examples, the raw rubber is a type 110 commercial product available from Ningbo Ruihe Silicones, Inc., the dibutyl phthalate and diisooctyl phthalate are Puyang good plasticizers, Inc., and the carbon black is a type N907 commercial product available from Henan Shuangxin carbon Black, Inc.
Example 1
Soaking carbon black in hydrogen peroxide (with the concentration of 30 wt%) for 30min, and filtering to obtain modified carbon black; 100g of raw rubber, 5g of zinc oxide, 6g of dibutyl phthalate, 5g of modified carbon black, 4g of a vulcanizing agent PDM and 5g of diisooctyl phthalate were mixed (mixing temperature: 115 ℃) to obtain cold-resistant rubber A1.
Example 2
Soaking carbon black in 50 wt% hydrogen peroxide for 40min, and filtering to obtain modified carbon black; 100g of raw rubber, 8g of zinc oxide, 12g of dibutyl phthalate, 7g of modified carbon black, 5g of a vulcanizing agent PDM and 10g of diisooctyl phthalate were mixed (mixing temperature: 135 ℃) to obtain cold-resistant rubber A2.
Example 3
Soaking carbon black in hydrogen peroxide (with the concentration of 40 wt%) for 35min, and filtering to obtain modified carbon black; 100g of raw rubber, 6g of zinc oxide, 8g of dibutyl phthalate, 6g of modified carbon black, 4.5g of a vulcanizing agent PDM and 7g of diisooctyl phthalate were mixed (mixing temperature: 125 ℃) to obtain cold-resistant rubber A3.
Example 4
The preparation was carried out according to the method of example 1 except that the amount of raw rubber was 100g, the amount of zinc oxide was 3g, the amount of dibutyl phthalate was 4g, the amount of modified carbon black was 3g, the amount of vulcanizing agent PDM was 2g, and the amount of diisooctyl phthalate was 2g, to obtain cold-resistant rubber A4.
Example 5
The preparation was carried out according to the method of example 1 except that the amount of raw rubber was 100g, the amount of zinc oxide was 10g, the amount of dibutyl phthalate was 15g, the amount of modified carbon black was 12g, the amount of vulcanizing agent PDM was 6g, and the amount of diisooctyl phthalate was 15g, to obtain cold-resistant rubber A5.
Comparative example 1
The preparation was carried out according to the method of example 1 except that the amount of raw rubber was 100g, the amount of zinc oxide was 2g, the amount of dibutyl phthalate was 2g, the amount of modified carbon black was 1g, the amount of vulcanizing agent PDM was 1g, and the amount of diisooctyl phthalate was 1g, to obtain cold-resistant rubber D1.
Comparative example 2
The preparation was carried out according to the method of example 1 except that the amount of raw rubber was 100g, the amount of zinc oxide was 15g, the amount of dibutyl phthalate was 20g, the amount of modified carbon black was 15g, the amount of vulcanizing agent PDM was 8g, and the amount of diisooctyl phthalate was 18g, to obtain cold-resistant rubber D2.
Test example 1
The cold-resistant rubbers A1-A5, D1 and D2 were measured for their cold resistance coefficient under-40 ℃ and-50 ℃ respectively in accordance with GB6034-1985, and the results are shown in Table 1.
TABLE 1
As can be seen from the data in the table, the cold-resistant rubbers A1-A5 prepared in the range of the invention have higher cold resistance coefficients of compression (-40 ℃ and-50 ℃) than the cold-resistant rubbers D1 and D2 prepared outside the range of the invention, which shows that the cold resistance of A1-A5 is better than that of D1 and D2, and meanwhile, the cold-resistant rubbers A1-A3 prepared in the preferred range of the invention have better cold resistance.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. A cold-resistant rubber composition, characterized in that it comprises: raw rubber, zinc oxide, dibutyl phthalate, modified carbon black, a vulcanizing agent PDM and diisooctyl phthalate; wherein the modified carbon black is obtained by soaking carbon black in hydrogen peroxide and filtering.
2. The cold-resistant rubber composition according to claim 1, wherein the zinc oxide is used in an amount of 3-10 parts by weight, the dibutyl phthalate is used in an amount of 4-15 parts by weight, the modified carbon black is used in an amount of 3-12 parts by weight, the vulcanizing agent PDM is used in an amount of 2-6 parts by weight, and the diisooctyl phthalate is used in an amount of 2-15 parts by weight, relative to 100 parts by weight of raw rubber.
3. The cold-resistant rubber composition according to claim 2, wherein the zinc oxide is used in an amount of 5-8 parts by weight, the dibutyl phthalate is used in an amount of 6-12 parts by weight, the modified carbon black is used in an amount of 5-7 parts by weight, the vulcanizing agent PDM is used in an amount of 4-5 parts by weight, and the diisooctyl phthalate is used in an amount of 5-10 parts by weight, relative to 100 parts by weight of raw rubber.
4. The cold-resistant rubber composition as claimed in claim 1, wherein the concentration of hydrogen peroxide is 30-50 wt%.
5. The cold-resistant rubber composition as claimed in claim 1, wherein the soaking time is 30-40 min.
6. The cold-resistant rubber composition as claimed in claim 1, wherein the particle size of the carbon black is 30-40 nm.
7. The preparation method of the cold-resistant rubber is characterized by comprising the following steps:
(1) soaking carbon black in hydrogen peroxide for 30-40min, and filtering to obtain modified carbon black;
(2) mixing raw rubber, zinc oxide, dibutyl phthalate, modified carbon black, a vulcanizing agent PDM and diisooctyl phthalate to obtain cold-resistant rubber; wherein,
relative to 100 parts by weight of raw rubber, the using amount of the zinc oxide is 3-10 parts by weight, the using amount of the dibutyl phthalate is 4-15 parts by weight, the using amount of the modified carbon black is 3-12 parts by weight, the using amount of the vulcanizing agent PDM is 2-6 parts by weight, and the using amount of the diisooctyl phthalate is 2-15 parts by weight.
8. The preparation method according to claim 7, wherein the zinc oxide is used in an amount of 5 to 8 parts by weight, the dibutyl phthalate is used in an amount of 6 to 12 parts by weight, the modified carbon black is used in an amount of 5 to 7 parts by weight, the vulcanizing agent PDM is used in an amount of 4 to 5 parts by weight, and the diisooctyl phthalate is used in an amount of 5 to 10 parts by weight, relative to 100 parts by weight of the raw rubber.
9. The method as claimed in claim 7, wherein the mixing temperature is 115-135 ℃.
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| CN201610528923.3A CN106188726A (en) | 2016-07-07 | 2016-07-07 | Arctic rubber compositions and the preparation method of arctic rubber |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251605A (en) * | 1997-01-29 | 2000-04-26 | 哥伦比亚化学公司 | Oxidation of carbon black with hydrogen peroxide |
| CN101955603A (en) * | 2010-10-28 | 2011-01-26 | 中橡集团曙光橡胶工业研究设计院 | Heat cold and oil-resistant sizing material |
| CN104893038A (en) * | 2015-05-28 | 2015-09-09 | 芜湖风雪橡胶有限公司 | Cold-resistant rubber material composition and preparation method of cold-resistant rubber |
| CN105037857A (en) * | 2015-07-10 | 2015-11-11 | 芜湖风雪橡胶有限公司 | Cold-resistant rubber and preparation method therefor |
| CN105037856A (en) * | 2015-07-10 | 2015-11-11 | 芜湖风雪橡胶有限公司 | Antifreezing rubber and preparation method therefor |
-
2016
- 2016-07-07 CN CN201610528923.3A patent/CN106188726A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251605A (en) * | 1997-01-29 | 2000-04-26 | 哥伦比亚化学公司 | Oxidation of carbon black with hydrogen peroxide |
| CN101955603A (en) * | 2010-10-28 | 2011-01-26 | 中橡集团曙光橡胶工业研究设计院 | Heat cold and oil-resistant sizing material |
| CN104893038A (en) * | 2015-05-28 | 2015-09-09 | 芜湖风雪橡胶有限公司 | Cold-resistant rubber material composition and preparation method of cold-resistant rubber |
| CN105037857A (en) * | 2015-07-10 | 2015-11-11 | 芜湖风雪橡胶有限公司 | Cold-resistant rubber and preparation method therefor |
| CN105037856A (en) * | 2015-07-10 | 2015-11-11 | 芜湖风雪橡胶有限公司 | Antifreezing rubber and preparation method therefor |
Non-Patent Citations (1)
| Title |
|---|
| 谢彦飞等: "耐寒丁腈橡胶密封制品配方的研究", 《特种橡胶制品》 * |
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Application publication date: 20161207 |