CN104194089A - NBR BUMPER sizing material for door lock system for vehicles and preparation process thereof - Google Patents
NBR BUMPER sizing material for door lock system for vehicles and preparation process thereof Download PDFInfo
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- CN104194089A CN104194089A CN201410413106.4A CN201410413106A CN104194089A CN 104194089 A CN104194089 A CN 104194089A CN 201410413106 A CN201410413106 A CN 201410413106A CN 104194089 A CN104194089 A CN 104194089A
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Abstract
The invention relates to an NBR BUMPER sizing material for a door lock system for vehicles. The sizing material is composed of the following materials in parts by weight: 50-70 parts of NBR raw rubber, 3-5 parts of zinc oxide, 1-2 parts of stearic acid, 70-100 parts of carbon black, 30-40 parts of packing, 15-25 parts of DOS softening oil, 1-3 parts of an antiager, 0.5-1 part of sulfur, and 3-4 parts of a vulcanization accelerator. The preparation process comprises the following steps: uniformly blending two kinds of NBR together firstly, and then uniformly mixing the obtained object with zinc oxide, stearic acid, carbon black, the packing, the DOS softening oil, the antiager and sulfur so as to obtain A mixed rubber; and after the A mixed rubber is cooled and placed, adding the vulcanization accelerator, and uniformly mixing. The NBR BUMPER sizing material disclosed by the invention has the advantages that the sizing material has good impact durability and low-temperature resistance.
Description
Technical field
The present invention relates to a kind of sizing material, specifically, is class door lock for vehicles system NBR BUMPER sizing material and a preparation technology thereof.
Background technology
For automobile door lock system BUMPER rubber product, except requiring to there is certain hardness, tensile strength, pressure become, the basic physical and mechanical properties such as low temperature resistant, also require product have under the effect of certain impact force 150,000 times without the shock weather resistance of damaging and-40 ℃ of * 4h low temperature hardness, be no more than the Functional Requirement of 85 Shao A.
Chinese patent literature CN200480032647.7, discloses a kind of sealing material for automobile door, and sealing material has outstanding thermal creep performance and the shear bond strength under hot state.But about for automobile door lock system and there is the BUMPER sizing material that clashes into cyclic durability and lower temperature resistance, yet there are no report.
Summary of the invention
The object of the invention is for deficiency of the prior art, a class door lock for vehicles system NBR BUMPER sizing material is provided.
The present invention again one object is that the preparation technology of above-mentioned sizing material is provided.
For achieving the above object, the technical scheme that the present invention takes is:
One class door lock for vehicles system NBR BUMPER sizing material, described sizing material is comprised of the material of following weight part: 50～70 parts of NBR rubbers, 3～5 parts, zinc oxide, 1～2 part of stearic acid, 70～100 parts of carbon blacks, 30～40 parts of fillers, 15～25 parts of DOS softening oils, 1～3 part, anti-aging agent, 0.5～1 part of Sulfur, 3～4 parts of vulcanization accelerators.
Described NBR rubber is comprised of the NBR of the fine content 34% of propylene and the NBR of the fine content 18% of propylene, and the NBR rubber of the fine content 34% of propylene accounts for 30～70% of NBR rubber total mass, and the NBR rubber of the fine content 18% of propylene accounts for 70～30% of NBR rubber total mass.
Described carbon black is comprised of carbon black N550 and carbon black N774, and carbon black N550 accounts for 40～60% of carbon black total mass, and carbon black N774 accounts for 60～40% of carbon black total mass.
Described filler is calcium carbonate.
Described vulcanization accelerator is selected from accelerator CBS or Vulcanization accelerator TMTD.
Described anti-aging agent is selected from anti-aging agent RD or antioxidant MB.
For realizing above-mentioned second object, the technical scheme that the present invention takes is:
The preparation technology of one class door lock for vehicles system NBR BUMPER sizing material, comprises the following steps:
A) the NBR rubber of the NBR rubber of the fine content 34% of propylene and the fine content 18% of propylene is evenly blended together, with zinc oxide, stearic acid, carbon black, filler, DOS softening oil, anti-aging agent, the mixing A refining glue that is evenly made into of Sulfur;
B) the A refining glue step a) prepared is cooling, park after, add vulcanization accelerator more mixing evenly.
Described step b) sulfuration process is: one step cure temperature is 175 ℃, 3～5 minutes time, pressure 15～18MPa.
Herein, described NBR rubber has another name called paracril, is by divinyl and acrylonitrile compolymer and a kind of synthetic rubber making.Described DOS softening oil chemical name: sebacic acid two (2-ethylhexyl), English name: dioctyl sebacate; Bis (2-ethylhexyl) sebacate, CAS:[122-62-3], molecular formula: C
26h
50o
4.
The invention has the advantages that:
NBR rubber of the present invention adopts NBR and the fine content 18%NBR of propylene the use of the fine content 34% of bright Sheng propylene, and carbon black adopts N550/N774 use, and softening oil adopts the good DOS softening oil of lower temperature resistance, and the sizing material making has excellent shock weather resistance and lower temperature resistance.
Embodiment
the preparation (one) of embodiment 1 the present invention's one class door lock for vehicles system NBR BUMPER sizing material
Form: 50 parts of NBR rubbers, 5 parts, zinc oxide, 1 part of stearic acid, 100 parts of carbon blacks, 30 parts, calcium carbonate, 25 parts of DOS softening oils, 1 part of anti-aging agent RD, 1 part of Sulfur, 3 parts of accelerator CBSs.Wherein the NBR rubber containing propylene fine 34% is 30 parts, and the rubber that contains propylene fine 18% is 20 parts; Carbon black N550 is 50 parts, and N774 is 50 parts.
Preparation technology: first by being evenly blended together containing the NBR rubber of propylene fine 34% with containing the rubber of propylene fine 18%, then with zinc oxide, stearic acid, carbon black, calcium carbonate, DOS softening oil, anti-aging agent RD, the mixing A refining glue that is evenly made into of Sulfur; By A refine glue cooling, park after, add accelerator CBS more mixing evenly, can obtain NBR BUMPER sizing material of the present invention.
the preparation (two) of embodiment 2 the present invention's one class door lock for vehicles system NBR BUMPER sizing materials
Form: 60 parts of NBR rubbers, 4 parts, zinc oxide, 1.5 parts of stearic acid, 85 parts of carbon blacks, 35 parts, calcium carbonate, 20 parts of DOS softening oils, 2 parts of antioxidant MBs, 0.5 part of Sulfur, 3 parts of Vulcanization accelerator TMTDs.Wherein the NBR rubber containing propylene fine 34% is 30 parts, and the rubber that contains propylene fine 18% is 30 parts; Carbon black N550 is 40 parts, and N774 is 45 parts.
Preparation technology: first by being evenly blended together containing the NBR rubber of propylene fine 34% with containing the rubber of propylene fine 18%, then with zinc oxide, stearic acid, carbon black, calcium carbonate, DOS softening oil, antioxidant MB, the mixing A refining glue that is evenly made into of Sulfur; By A refine glue cooling, park after, add Vulcanization accelerator TMTD more mixing evenly, can obtain NBR BUMPER sizing material of the present invention.
the preparation (three) of embodiment 3 the present invention's one class door lock for vehicles system NBR BUMPER sizing materials
Form: 70 parts of NBR rubbers, 3 parts, zinc oxide, 2 parts of stearic acid, 70 parts of carbon blacks, 40 parts, calcium carbonate, 15 parts of DOS softening oils, 3 parts of anti-aging agent RDs, 0.5 part of Sulfur, 4 parts of Vulcanization accelerator TMTDs.Wherein the NBR rubber containing propylene fine 34% is 35 parts, and the rubber that contains propylene fine 18% is 35 parts; Carbon black N550 is 40 parts, and N774 is 30 parts.
Preparation technology: first by being evenly blended together containing the NBR rubber of propylene fine 34% with containing the rubber of propylene fine 18%, then with zinc oxide, stearic acid, carbon black, calcium carbonate, DOS softening oil, anti-aging agent RD, the mixing A refining glue that is evenly made into of Sulfur; By A refine glue cooling, park after, add Vulcanization accelerator TMTD more mixing evenly, can obtain NBR BUMPER sizing material of the present invention.
the preparation (four) of embodiment 4 the present invention's one class door lock for vehicles system NBR BUMPER sizing materials
Form: 50 parts of NBR rubbers, 3 parts, zinc oxide, 2 parts of stearic acid, 100 parts of carbon blacks, 30 parts, calcium carbonate, 15 parts of DOS softening oils, 2 parts of anti-aging agent RDs, 1 part of antioxidant MB, 1 part of Sulfur, 1 part of accelerator CBS, 1 part of Vulcanization accelerator TMTD.Wherein the NBR rubber containing propylene fine 34% is 25 parts, and the rubber that contains propylene fine 18% is 25 parts; Carbon black N550 is 60 parts, and N774 is 40 parts.
Preparation technology: first by being evenly blended together containing the NBR rubber of propylene fine 34% with containing the rubber of propylene fine 18%, then with zinc oxide, stearic acid, carbon black, calcium carbonate, DOS softening oil, anti-aging agent RD, antioxidant MB, the mixing A refining glue that is evenly made into of Sulfur; By A refine glue cooling, park after, add accelerator CBS, Vulcanization accelerator TMTD more mixing evenly, can obtain NBR BUMPER sizing material of the present invention.
the preparation (five) of embodiment 5 the present invention's one class door lock for vehicles system NBR BUMPER sizing materials
Form: 70 parts of NBR rubbers, 5 parts, zinc oxide, 1 part of stearic acid, 70 parts of carbon blacks, 40 parts, calcium carbonate, 25 parts of DOS softening oils, 1 part of antioxidant MB, 0.5 part of Sulfur, 2 parts of accelerator CBSs, 2 parts of Vulcanization accelerator TMTDs.Wherein the NBR rubber containing propylene fine 34% is 40 parts, and the rubber that contains propylene fine 18% is 30 parts; Carbon black N550 is 40 parts, and N774 is 30 parts.
Preparation technology: first by being evenly blended together containing the NBR rubber of propylene fine 34% with containing the rubber of propylene fine 18%, then with zinc oxide, stearic acid, carbon black, calcium carbonate, DOS softening oil, antioxidant MB, the mixing A refining glue that is evenly made into of Sulfur; By A refine glue cooling, park after, add accelerator CBS, Vulcanization accelerator TMTD more mixing evenly, can obtain NBR BUMPER sizing material of the present invention.
It should be noted that, in the preparation process described in embodiment 1-5, the condition of sulfuration process is: one step cure temperature is 175 ℃, 3～5 minutes time, pressure 15～18MPa.
the performance test of embodiment 6 NBR BUMPER of the present invention sizing material
This test is divided into 5 groups, and wherein test group is 3 groups, 2 groups of control groups.
Test group 1, test group 2 and test group 3 adopt respectively the NBR BUMPER sizing material of the preparation of embodiment 1,3,5.
Control group 1: get 50 parts of NBR rubbers, 3 parts, zinc oxide, 2 parts of stearic acid, 100 parts of carbon blacks, 30 parts, calcium carbonate, 15 parts of DOS softening oils, 3 parts of anti-aging agent RDs, 1 part of Sulfur, 3 parts of accelerator CBSs, wherein NBR rubber is the NBR rubber containing propylene fine 44%, and carbon black N550 is 40 parts, and N774 is 60 parts; Above-mentioned raw materials is prepared to sizing material as a control group 1 according to general technology.
Control group 2: get 70 parts of NBR rubbers, 2 parts, zinc oxide, 4 parts of stearic acid, 80 parts of carbon blacks, 40 parts, calcium carbonate, 25 parts of softening oils, 3 parts of antioxidant MBs, 2 parts of Sulfurs, 5 parts of Vulcanization accelerator TMTDs, wherein NBR rubber is the NBR rubber containing propylene fine 38%, and carbon black adopts carbon black N550, and softening oil is naphthenic oil; Above-mentioned raw materials is prepared to sizing material as a control group 2 according to general technology.
Control group 3: get 70 parts of NBR rubbers, 2 parts, zinc oxide, 4 parts of stearic acid, 80 parts of carbon blacks, 40 parts, calcium carbonate, 25 parts of softening oils, 3 parts of anti-aging agent RDs, 2 parts of Sulfurs, 5 parts of Vulcanization accelerator TMTDs, wherein NBR rubber is the NBR rubber containing propylene fine 44%, carbon black adopts carbon black N774; Above-mentioned raw materials is prepared to sizing material as a control group 3 according to general technology.
Test group 1, test group 2, test group 3, control group 1 and control group 2 are carried out to-40 ℃ of * 4h low temperature hardness tests and 150,000 shock durability tests without damage under the effect of certain impact force.
The performance test results of table 1 NBR BUMPER sizing material
| ? | Test group 1 | Test group 2 | Test group 3 | Control group 1 | Control group 2 | Control group 3 |
| -40 ℃ of * 4h low temperature hardness (Shao Er A) | 65 | 62 | 64 | 80 | 83 | 80 |
| Clash into without the shock weather resistance of damaging for 150000 times | PASS | PASS | PASS | PASS | NO PASS | PASS |
The NBR BUMPER sizing material of test group 1-3 all meets hardness in the hardness test of-40 ℃ of * 4h low temperature and is respectively 65 degree, 62 degree, 64 degree, is obviously better than control group 1, control group 2 and control group 3; In clashing into the test of weather resistance, each test group surface, without wearing and tearing, flawless phenomenon, all meets 150,000 Functional Requirements without the shock weather resistance of damaging under the effect of certain impact force, and control group 1 surface is good, there is crackle in the surface of control group 2, there is mild wear on control group 3 surfaces.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the inventive method; can also make some improvement and supplement, these improvement and supplement and also should be considered as protection scope of the present invention.
Claims (8)
1. a class door lock for vehicles system NBR BUMPER sizing material, it is characterized in that, described sizing material is comprised of the material of following weight part: 50～70 parts of NBR rubbers, 3～5 parts, zinc oxide, 1～2 part of stearic acid, 70～100 parts of carbon blacks, 30～40 parts of fillers, 15～25 parts of DOS softening oils, 1～3 part, anti-aging agent, 0.5～1 part of Sulfur, 3～4 parts of vulcanization accelerators.
2. sizing material according to claim 1, it is characterized in that, described NBR rubber is comprised of the NBR rubber of the fine content 34% of propylene and the NBR rubber of the fine content 18% of propylene, the NBR rubber of the fine content 34% of propylene accounts for 30～70% of NBR rubber total mass, and the NBR rubber of the fine content 18% of propylene accounts for 70～30% of NBR rubber total mass.
3. sizing material according to claim 1, is characterized in that, described carbon black is comprised of carbon black N550 and carbon black N774, and carbon black N550 accounts for 40～60% of carbon black total mass, and carbon black N774 accounts for 60～40% of carbon black total mass.
4. sizing material according to claim 1, is characterized in that, described filler is calcium carbonate.
5. sizing material according to claim 1, is characterized in that, described vulcanization accelerator is selected from vulcanization accelerator CBS or Vulcanization accelerator TMTD.
6. sizing material according to claim 1, is characterized in that, described anti-aging agent is selected from anti-aging agent RD or antioxidant MB.
7. the preparation technology of the arbitrary described sizing material of claim 1-5, is characterized in that, described preparation technology comprises the following steps:
A) the NBR rubber of the NBR rubber of the fine content 34% of propylene and the fine content 18% of propylene is evenly blended together, with zinc oxide, stearic acid, carbon black, filler, DOS softening oil, the mixing A refining glue that is evenly made into of Sulfur;
B) the A refining glue step a) prepared is cooling, park after, add vulcanization accelerator more mixing evenly.
8. preparation technology according to claim 7, is characterized in that, described step b) sulfuration process be: one step cure temperature is 175 ℃, 3～5 minutes time, pressure 15～18MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410413106.4A CN104194089B (en) | 2014-08-21 | 2014-08-21 | One class door lock for vehicles system NBR BUMPER sizing material and preparation technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413106.4A CN104194089B (en) | 2014-08-21 | 2014-08-21 | One class door lock for vehicles system NBR BUMPER sizing material and preparation technology thereof |
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| CN104194089A true CN104194089A (en) | 2014-12-10 |
| CN104194089B CN104194089B (en) | 2016-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230878A (en) * | 2021-05-31 | 2022-03-25 | 上海荣南科技股份有限公司 | NBR BUMPER sizing material for SUV automobile tail door lock system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353451A (en) * | 2007-07-25 | 2009-01-28 | 比亚迪股份有限公司 | Oil resistant low temperature resistant rubber composition |
| CN103183875A (en) * | 2013-03-01 | 2013-07-03 | 江阴海达橡塑股份有限公司 | Marine inflaming retarding rubber sealing material with low friction factor and preparation method thereof |
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2014
- 2014-08-21 CN CN201410413106.4A patent/CN104194089B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353451A (en) * | 2007-07-25 | 2009-01-28 | 比亚迪股份有限公司 | Oil resistant low temperature resistant rubber composition |
| CN103183875A (en) * | 2013-03-01 | 2013-07-03 | 江阴海达橡塑股份有限公司 | Marine inflaming retarding rubber sealing material with low friction factor and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郑文博: "低摩擦橡胶油封材料的研究", 《特种橡胶制品》, vol. 31, no. 3, 30 June 2010 (2010-06-30) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114230878A (en) * | 2021-05-31 | 2022-03-25 | 上海荣南科技股份有限公司 | NBR BUMPER sizing material for SUV automobile tail door lock system |
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Effective date of registration: 20170207 Address after: Fengxian District Jinhui town Kim highway 201403 Shanghai No. 8029 building 6 No. 1 workshop Patentee after: Shanghai Rong Nan Technology Co., Ltd. Patentee after: Granary Rong Nan sealing member Science and Technology Ltd. Patentee after: Wuhan Yinan Plastics Technology Co Ltd Address before: 215412 Jiangsu city of Suzhou province Taicang City Lu Du Zhen Fei Hu Lu Lianda Industrial Zone No. 11 Patentee before: Granary Rong Nan sealing member Science and Technology Ltd. |
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Address after: Workshop 1, building 6, No. 8029, JINDA Road, Jinhui Town, Fengxian District, Shanghai, 201403 Patentee after: Shanghai Rongnan Technology Co.,Ltd. Patentee after: TAICANG RONGNAN SEALING MEMBER SCIENCE & TECHNOLOGY Co.,Ltd. Patentee after: WUHAN YINAN RUBBER AND PLASTIC TECHNOLOGY Co.,Ltd. Address before: Workshop 1, building 6, No. 8029, JINDA Road, Jinhui Town, Fengxian District, Shanghai, 201403 Patentee before: SHANGHAI RONGNAN TECHNOLOGY Co.,Ltd. Patentee before: TAICANG RONGNAN SEALING MEMBER SCIENCE & TECHNOLOGY Co.,Ltd. Patentee before: WUHAN YINAN RUBBER AND PLASTIC TECHNOLOGY Co.,Ltd. |
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