CN112457537A - Natural rubber material for sealing ring of water supply and drainage pipeline and preparation method thereof - Google Patents
Natural rubber material for sealing ring of water supply and drainage pipeline and preparation method thereof Download PDFInfo
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- CN112457537A CN112457537A CN202011383703.9A CN202011383703A CN112457537A CN 112457537 A CN112457537 A CN 112457537A CN 202011383703 A CN202011383703 A CN 202011383703A CN 112457537 A CN112457537 A CN 112457537A
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- 244000043261 Hevea brasiliensis Species 0.000 title claims abstract description 51
- 229920003052 natural elastomer Polymers 0.000 title claims abstract description 49
- 229920001194 natural rubber Polymers 0.000 title claims abstract description 49
- 238000007789 sealing Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000006229 carbon black Substances 0.000 claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 229920001971 elastomer Polymers 0.000 claims abstract description 37
- 239000005060 rubber Substances 0.000 claims abstract description 37
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 24
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 24
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 24
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000008117 stearic acid Substances 0.000 claims abstract description 24
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 20
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 20
- 239000010705 motor oil Substances 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 15
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011593 sulfur Substances 0.000 claims abstract description 14
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 14
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 12
- 239000002270 dispersing agent Substances 0.000 claims abstract description 12
- 235000019808 microcrystalline wax Nutrition 0.000 claims abstract description 12
- 239000004200 microcrystalline wax Substances 0.000 claims abstract description 12
- 239000011297 pine tar Substances 0.000 claims abstract description 12
- 229940068124 pine tar Drugs 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 12
- 239000011787 zinc oxide Substances 0.000 claims abstract description 12
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 12
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 230000003078 antioxidant effect Effects 0.000 claims description 5
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920003051 synthetic elastomer Polymers 0.000 description 4
- 239000005061 synthetic rubber Substances 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000209504 Poaceae Species 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010092 rubber production Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The application discloses sealing washer natural rubber material for water supply and drainage pipeline, including the raw materials of following parts by weight: 50-70 parts of natural rubber, 70-90 parts of rubber seeds, 0.5-2.5 parts of sulfur, 2-5 parts of accelerator, 2-6 parts of zinc oxide, 1-3 parts of stearic acid, 3-20 parts of engine oil, 50-70 parts of general carbon black, 3-20 parts of high-wear-resistance carbon black, 4-8 parts of anti-aging agent, 0.5-2 parts of microcrystalline wax, 2-6 parts of dispersant and 0.3-1 part of scorch retarder; wherein the glue seeds comprise the following raw materials in parts by weight: 30-50 parts of butadiene rubber, 3-7 parts of pine tar, 10-15 parts of tackifying resin, 0.5-2 parts of stearic acid, 20-30 parts of universal carbon black and 3-7 parts of defoaming agent. The application also provides a preparation method of the material.
Description
Technical Field
The invention relates to the technical field of sealing products, in particular to a natural rubber material for a sealing ring for a water supply and drainage pipeline and a preparation method thereof.
Background
The rubber industry is one of the important basic industries of national economy, 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 emerging industries.
The rubber is elastic, insulating, waterproof and air-proof material prepared by extracting latex of plants such as rubber trees, rubber grasses and the like and processing the latex. It is a highly elastic polymer compound. It is divided into two types of natural rubber and synthetic rubber. The natural rubber is prepared by extracting colloid from plants such as rubber tree and rubber grass and processing; synthetic rubbers are obtained by polymerization of various monomers. The synthetic rubber is not as comprehensive as natural rubber in performance, but has the advantages of high elasticity, insulativity, air tightness, oil resistance, high temperature resistance, low temperature resistance and the like. In the prior art, the traditional synthetic rubber and products thereof are easy to age under the action of multiple factors in the using process, so that the performance is reduced, and even the use is influenced.
For example, when the existing sealing ring is used for sealing a water supply and drainage pipeline, a sealing ring with the hardness of 50 and a sealing ring with the hardness of 90 are combined together to meet the sealing requirement of the water supply and drainage pipeline. However, the production process of the combination of the two sealing rings with different hardness is complicated, needs twice shaping, and has higher production cost.
Therefore, how to provide a natural rubber material for a sealing ring for a water supply and drainage pipeline, which has good sealing performance and simple process, is a technical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a natural rubber material for a sealing ring of a water supply and drainage pipeline; the second purpose of the invention is to provide a preparation method of the natural rubber material for the sealing ring for the water supply and drainage pipeline; the application provides a sealing washer natural rubber material for water supply and drainage pipeline, low in production cost, excellent performance, simple process, one shot forming can satisfy water supply and drainage pipeline sealed demand.
The technical scheme provided by the invention is as follows:
a sealing ring natural rubber material for a water supply and drainage pipeline comprises the following raw materials in parts by weight:
50-70 parts of natural rubber, 70-90 parts of rubber seeds, 0.5-2.5 parts of sulfur, 2-5 parts of accelerator, 2-6 parts of zinc oxide, 1-3 parts of stearic acid, 3-20 parts of engine oil, 50-70 parts of general carbon black, 3-20 parts of high-wear-resistance carbon black, 4-8 parts of anti-aging agent, 0.5-2 parts of microcrystalline wax, 2-6 parts of dispersant and 0.3-1 part of scorch retarder;
wherein the glue seeds comprise the following raw materials in parts by weight: 30-50 parts of butadiene rubber, 3-7 parts of pine tar, 10-15 parts of tackifying resin, 0.5-2 parts of stearic acid, 20-30 parts of universal carbon black and 3-7 parts of defoaming agent.
Preferably, the feed comprises the following raw materials in parts by weight:
55-65 parts of natural rubber, 75-85 parts of seed rubber, 1-2 parts of sulfur, 3-4 parts of accelerator, 3-5 parts of zinc oxide, 1.5-2.5 parts of stearic acid, 5-15 parts of engine oil, 55-65 parts of general carbon black, 5-15 parts of high-wear-resistance carbon black, 5-7 parts of anti-aging agent, 0.5-1.5 parts of microcrystalline wax, 3-5 parts of dispersant and 0.3-0.8 part of anti-scorching agent;
wherein the glue seeds comprise the following raw materials in parts by weight: 35-45 parts of butadiene rubber, 4-6 parts of pine tar, 11-13 parts of tackifying resin, 1-1.5 parts of stearic acid, 22-27 parts of universal carbon black and 4-6 parts of defoaming agent.
Preferably, the feed comprises the following raw materials in parts by weight:
60 parts of natural rubber, 80 parts of rubber seeds, 1.5 parts of sulfur, 3.5 parts of accelerator, 4 parts of zinc oxide, 2 parts of stearic acid, 10 parts of engine oil, 60 parts of universal carbon black, 10 parts of high-wear-resistance carbon black, 6 parts of anti-aging agent, 1 part of microcrystalline wax, 4 parts of dispersant and 0.5 part of anti-scorching agent;
wherein the glue seeds comprise the following raw materials in parts by weight: 40 parts of butadiene rubber, 5 parts of pine tar, 12 parts of tackifying resin, 1 part of stearic acid, 25 parts of universal carbon black and 5 parts of defoaming agent.
Preferably, the promoters include promoter DM, promoter CZ, promoter TMTD, promoter DTDM; the weight ratio of the accelerant DM, the accelerant CZ, the accelerant TMTD and the accelerant DTDM is (0.5-1.5): (0.5-1.5): (0.3-0.8): 0.5-1.5).
Preferably, the weight ratio of promoter DM, promoter CZ, promoter TMTD, promoter DTDM is 1:1:0.5: 1.
Preferably, the anti-aging agent comprises anti-aging agent RD and anti-aging agent 4020, and the weight ratio of the anti-aging agent RD to the anti-aging agent 4020 is (0.5-1.5): (0.5-1.5).
Preferably, the weight ratio of antioxidant RD to antioxidant 4020 is 1: 1.
Preferably, the engine oil is 46# engine oil.
A method for preparing the natural rubber material of the sealing ring for the water supply and drainage pipeline comprises the following steps:
preparing a glue seed: firstly, mixing the butadiene rubber and the universal carbon black contained in the rubber seeds to prepare a mixture, and then mixing the mixture with other raw materials in the rubber seeds;
after the rubber seeds are prepared, the rubber seeds are mixed with the natural rubber, and then other raw materials are added and heated together.
The invention has the beneficial effects that:
1. the natural rubber material for the sealing ring for the water supply and drainage pipeline, provided by the invention, replaces butadiene styrene rubber used in the prior art with butadiene rubber, so that the production cost is reduced while the performance is ensured to reach the standard.
2. According to the natural rubber material for the sealing ring of the water supply and drainage pipeline, the accelerator DM, the accelerator CZ, the accelerator TMTD and the accelerator DTDM are used in a matched manner, so that the reaction between rubber and sulfur can be greatly accelerated, the vulcanization speed is increased, the vulcanization temperature is reduced, the vulcanization time is shortened, the sulfur consumption is reduced, the physical and mechanical properties of the rubber are improved, and the tensile strength, the stretching strength, the wear resistance, the hardness and the like of the rubber are improved; meanwhile, the aging resistance of the rubber material can be effectively improved, and the service life of the rubber material is prolonged.
3. The seal ring natural rubber material for the water supply and drainage pipeline, provided by the invention, has the hardness of 70 Shore hardness, can meet the sealing requirement of the water supply and drainage pipeline, can play a certain supporting role, solves the problem that the seal ring of the water supply and drainage pipeline in the prior art needs two rubber ring materials with different hardness to be combined for use, can be formed and prepared into the seal ring of the water supply and drainage pipeline at one time, and can meet the use requirement of the seal ring of the water supply and drainage pipeline with single hardness.
4. The preparation method provided by the invention comprises the steps of mixing the universal carbon black with the butadiene rubber, increasing the hardness of the butadiene rubber by utilizing the universal carbon black, improving the processing performance of the butadiene rubber, and mixing the butadiene rubber with other raw materials, so that various performance indexes of the rubber material can be effectively improved.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1
A sealing ring natural rubber material for a water supply and drainage pipeline comprises the following raw materials in parts by weight:
55 parts of natural rubber, 75 parts of rubber seeds, 1 part of sulfur, 3 parts of an accelerator, 3 parts of zinc oxide, 1.5 parts of stearic acid, 5 parts of No. 46 engine oil, 55 parts of universal carbon black, 5 parts of high-wear-resistance carbon black, 5 parts of an anti-aging agent, 0.5 part of microcrystalline wax, 3 parts of a dispersant and 0.3 part of an anti-scorching agent;
wherein the glue seeds comprise the following raw materials in parts by weight: 35 parts of butadiene rubber, 4 parts of pine tar, 11 parts of tackifying resin, 1 part of stearic acid, 22 parts of universal carbon black and 4 parts of defoaming agent;
wherein the accelerator comprises 0.9 weight part of accelerator DM; 0.9 part of accelerator CZ; 0.3 part of promoter TMTD; 0.9 part of accelerator DTDM;
wherein the anti-aging agent comprises 2.5 parts by weight of anti-aging agent RD; 40202.5 parts of anti-aging agent.
A method for preparing the natural rubber material of the sealing ring for the water supply and drainage pipeline comprises the following steps:
preparing a glue seed: firstly, mixing the butadiene rubber and the universal carbon black contained in the rubber seeds to prepare a mixture, and then mixing the mixture with other raw materials in the rubber seeds;
after the rubber seeds are prepared, the rubber seeds are mixed with the natural rubber, and then other raw materials are added and heated together.
Example 2
A sealing ring natural rubber material for a water supply and drainage pipeline comprises the following raw materials in parts by weight:
60 parts of natural rubber, 80 parts of rubber seeds, 1.5 parts of sulfur, 3.5 parts of accelerator, 4 parts of zinc oxide, 2 parts of stearic acid, 10 parts of 46# engine oil, 60 parts of universal carbon black, 10 parts of high-wear-resistance carbon black, 6 parts of anti-aging agent, 1 part of microcrystalline wax, 4 parts of dispersant and 0.5 part of anti-scorching agent;
wherein the glue seeds comprise the following raw materials in parts by weight: 40 parts of butadiene rubber, 5 parts of pine tar, 12 parts of tackifying resin, 1 part of stearic acid, 25 parts of universal carbon black and 5 parts of defoaming agent;
wherein the accelerator comprises 1 weight part of accelerator DM; 1 part by weight of accelerator CZ; 0.5 part by weight of promoter TMTD; 1 part by weight of accelerator DTDM;
wherein the anti-aging agent comprises 3 parts by weight of anti-aging agent RD; anti-aging agent 40203 parts by weight.
The preparation method is the same as that of example 1.
Example 3
A sealing ring natural rubber material for a water supply and drainage pipeline comprises the following raw materials in parts by weight:
65 parts of natural rubber, 85 parts of rubber seeds, 2 parts of sulfur, 4 parts of an accelerator, 5 parts of zinc oxide, 2.5 parts of stearic acid, 15 parts of No. 46 engine oil, 65 parts of universal carbon black, 15 parts of high-wear-resistance carbon black, 7 parts of an anti-aging agent, 1.5 parts of microcrystalline wax, 5 parts of a dispersing agent and 0.8 part of an anti-scorching agent;
wherein the glue seeds comprise the following raw materials in parts by weight: 45 parts of butadiene rubber, 6 parts of pine tar, 13 parts of tackifying resin, 1.5 parts of stearic acid, 27 parts of universal carbon black and 6 parts of defoaming agent;
wherein the accelerator comprises 1.1 weight part of accelerator DM; 1.1 parts of accelerator CZ; 0.7 part by weight of promoter TMTD; 1.1 parts by weight of accelerator DTDM;
wherein the anti-aging agent comprises 3.5 parts by weight of anti-aging agent RD; 40203.5 parts of anti-aging agent.
The preparation method is the same as that of example 1.
Example 4
A sealing ring natural rubber material for a water supply and drainage pipeline comprises the following raw materials in parts by weight:
70 parts of natural rubber, 90 parts of rubber seeds, 2.5 parts of sulfur, 5 parts of accelerator, 6 parts of zinc oxide, 3 parts of stearic acid, 20 parts of 46# engine oil, 70 parts of universal carbon black, 20 parts of high-wear-resistance carbon black, 8 parts of anti-aging agent, 2 parts of microcrystalline wax, 6 parts of dispersant and 1 part of anti-scorching agent;
wherein the glue seeds comprise the following raw materials in parts by weight: 50 parts of butadiene rubber, 7 parts of pine tar, 15 parts of tackifying resin, 2 parts of stearic acid, 30 parts of universal carbon black and 7 parts of defoaming agent;
wherein the accelerator comprises 1.4 parts by weight of accelerator DM; 1.4 parts of accelerator CZ; 0.8 part by weight of promoter TMTD; 1.4 parts by weight of accelerator DTDM;
wherein the anti-aging agent comprises 4 parts by weight of anti-aging agent RD; anti-aging agent 40204 parts by weight.
The preparation method is the same as that of example 1.
Example 5
A sealing ring natural rubber material for a water supply and drainage pipeline comprises the following raw materials in parts by weight:
50 parts of natural rubber, 70 parts of rubber seeds, 0.5 part of sulfur, 2 parts of accelerator, 2 parts of zinc oxide, 1 part of stearic acid, 3 parts of 46# engine oil, 50 parts of universal carbon black, 3 parts of high-wear-resistance carbon black, 4 parts of anti-aging agent, 0.5 part of microcrystalline wax, 2 parts of dispersant and 0.3 part of anti-scorching agent;
wherein the glue seeds comprise the following raw materials in parts by weight: 30 parts of butadiene rubber, 3 parts of pine tar, 10 parts of tackifying resin, 0.5 part of stearic acid, 20 parts of universal carbon black and 3 parts of defoaming agent;
wherein the accelerator comprises 0.6 part by weight of accelerator DM; 0.6 part of accelerator CZ; 0.2 part by weight of promoter TMTD; 0.6 part of accelerator DTDM;
wherein the anti-aging agent comprises 2 parts by weight of anti-aging agent RD; anti-aging agent 40202 parts by weight.
The preparation method is the same as that of example 1.
The natural rubber materials of the sealing rings for the water supply and drainage pipelines obtained in the examples 1 to 5 are tested according to relevant national and industrial standards, and the specific results are shown in the following table:
performance indexes of water supply and drainage pipeline sealing rings prepared in examples 1 to 5
As can be seen from the above table, the natural rubber material for the sealing ring for the water supply and drainage pipeline provided by the invention has the advantages of excellent indexes, excellent performance and the like, the strength performance and the elongation performance of the natural rubber material are far higher than the national and industrial standards, and the compression permanent deformation under the conditions of high temperature and normal temperature is far lower than the national and industrial standards.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The sealing ring natural rubber material for the water supply and drainage pipeline is characterized by comprising the following raw materials in parts by weight:
50-70 parts of natural rubber, 70-90 parts of rubber seeds, 0.5-2.5 parts of sulfur, 2-5 parts of accelerator, 2-6 parts of zinc oxide, 1-3 parts of stearic acid, 3-20 parts of engine oil, 50-70 parts of general carbon black, 3-20 parts of high-wear-resistance carbon black, 4-8 parts of anti-aging agent, 0.5-2 parts of microcrystalline wax, 2-6 parts of dispersant and 0.3-1 part of scorch retarder;
wherein the glue seeds comprise the following raw materials in parts by weight: 30-50 parts of butadiene rubber, 3-7 parts of pine tar, 10-15 parts of tackifying resin, 0.5-2 parts of stearic acid, 20-30 parts of universal carbon black and 3-7 parts of defoaming agent.
2. The natural rubber material for the sealing ring of the water supply and drainage pipeline, which is used for sealing the water supply and drainage pipeline, is characterized by comprising the following raw materials in parts by weight:
55-65 parts of natural rubber, 75-85 parts of seed rubber, 1-2 parts of sulfur, 3-4 parts of accelerator, 3-5 parts of zinc oxide, 1.5-2.5 parts of stearic acid, 5-15 parts of engine oil, 55-65 parts of general carbon black, 5-15 parts of high-wear-resistance carbon black, 5-7 parts of anti-aging agent, 0.5-1.5 parts of microcrystalline wax, 3-5 parts of dispersant and 0.3-0.8 part of anti-scorching agent;
wherein the glue seeds comprise the following raw materials in parts by weight: 35-45 parts of butadiene rubber, 4-6 parts of pine tar, 11-13 parts of tackifying resin, 1-1.5 parts of stearic acid, 22-27 parts of universal carbon black and 4-6 parts of defoaming agent.
3. The natural rubber material for the sealing ring of the water supply and drainage pipeline as claimed in claim 2, which comprises the following raw materials in parts by weight:
60 parts of natural rubber, 80 parts of rubber seeds, 1.5 parts of sulfur, 3.5 parts of accelerator, 4 parts of zinc oxide, 2 parts of stearic acid, 10 parts of engine oil, 60 parts of universal carbon black, 10 parts of high-wear-resistance carbon black, 6 parts of anti-aging agent, 1 part of microcrystalline wax, 4 parts of dispersant and 0.5 part of anti-scorching agent;
wherein the glue seeds comprise the following raw materials in parts by weight: 40 parts of butadiene rubber, 5 parts of pine tar, 12 parts of tackifying resin, 1 part of stearic acid, 25 parts of universal carbon black and 5 parts of defoaming agent.
4. The sealing ring natural rubber material for water supply and drainage pipelines according to any one of claims 1 to 3, wherein the accelerator comprises an accelerator DM, an accelerator CZ, an accelerator TMTD, an accelerator DTDM; the weight ratio of the accelerant DM, the accelerant CZ, the accelerant TMTD and the accelerant DTDM is (0.5-1.5): (0.5-1.5): (0.3-0.8): 0.5-1.5).
5. The natural rubber material for the sealing ring of the water supply and drainage pipeline as claimed in claim 4, wherein the weight ratio of the accelerator DM, the accelerator CZ, the accelerator TMTD and the accelerator DTDM is 1:1:0.5: 1.
6. The natural rubber material for the sealing ring of the water supply and drainage pipeline as claimed in any one of claims 1 to 3, wherein the antioxidant comprises antioxidant RD and antioxidant 4020, and the weight ratio of antioxidant RD to antioxidant 4020 is (0.5-1.5): (0.5-1.5).
7. The natural rubber material for the sealing ring of the water supply and drainage pipeline as claimed in claim 6, wherein the weight ratio of the antioxidant RD to the antioxidant 4020 is 1: 1.
8. The seal ring natural rubber material for water supply and drainage pipelines according to any one of claims 1 to 3, wherein the engine oil is 46# engine oil.
9. A method for preparing the natural rubber material of the sealing ring for the water supply and drainage pipeline, which is described in any one of the claims 1 to 8, is characterized by comprising the following steps:
preparing a glue seed: firstly, mixing the butadiene rubber and the universal carbon black contained in the rubber seeds to prepare a mixture, and then mixing the mixture with other raw materials in the rubber seeds;
after the rubber seeds are prepared, the rubber seeds are mixed with the natural rubber, and then other raw materials are added and heated together.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011383703.9A CN112457537A (en) | 2020-12-01 | 2020-12-01 | Natural rubber material for sealing ring of water supply and drainage pipeline and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011383703.9A CN112457537A (en) | 2020-12-01 | 2020-12-01 | Natural rubber material for sealing ring of water supply and drainage pipeline and preparation method thereof |
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| CN112457537A true CN112457537A (en) | 2021-03-09 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530513A (en) * | 2014-12-24 | 2015-04-22 | 郎溪县恒通塑业有限公司 | PVC composite material for drainage pipeline and preparation method of PVC composite material |
| CN105754162A (en) * | 2016-02-26 | 2016-07-13 | 广东电网有限责任公司电力科学研究院 | Insulated oil-resistant sealing rubber and preparation method thereof |
| CN107254074A (en) * | 2017-06-07 | 2017-10-17 | 浙江宏利汽车零部件有限公司 | A kind of anti-aging rubber |
| CN110822190A (en) * | 2019-12-16 | 2020-02-21 | 吉林工程技术师范学院 | Bionic structure waterproof sealing rubber pad and preparation method thereof |
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2020
- 2020-12-01 CN CN202011383703.9A patent/CN112457537A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104530513A (en) * | 2014-12-24 | 2015-04-22 | 郎溪县恒通塑业有限公司 | PVC composite material for drainage pipeline and preparation method of PVC composite material |
| CN105754162A (en) * | 2016-02-26 | 2016-07-13 | 广东电网有限责任公司电力科学研究院 | Insulated oil-resistant sealing rubber and preparation method thereof |
| CN107254074A (en) * | 2017-06-07 | 2017-10-17 | 浙江宏利汽车零部件有限公司 | A kind of anti-aging rubber |
| CN110822190A (en) * | 2019-12-16 | 2020-02-21 | 吉林工程技术师范学院 | Bionic structure waterproof sealing rubber pad and preparation method thereof |
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Application publication date: 20210309 |