CN104231371A - Application of CR (Chloroprene Rubber) BUMPER rubber in automobile gate lock system - Google Patents
Application of CR (Chloroprene Rubber) BUMPER rubber in automobile gate lock system Download PDFInfo
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- CN104231371A CN104231371A CN201410495713.XA CN201410495713A CN104231371A CN 104231371 A CN104231371 A CN 104231371A CN 201410495713 A CN201410495713 A CN 201410495713A CN 104231371 A CN104231371 A CN 104231371A
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Abstract
The invention relates to application of CR (Chloroprene Rubber) BUMPER rubber in an automobile gate lock system. The rubber is made from the following materials in part by weight: 100 parts of CR raw rubber, 30-40 parts of carbon black, 10-20 parts of white carbon black, 20-30 parts of filler, 10-20 parts of DOS (Dioctyl Sebacate) softening oil, 1-2 parts of stearic acid, 1-3 parts of an antioxidant, 1-2 parts of a dispersant, 4-5 parts of magnesium oxide, 4-5 parts of zinc oxide and 1-2 parts of a vulcanization accelerator. The application has the advantage that due to the adoption of CR raw rubber and the DOS softening oil with great low-temperature resistance, the prepared rubber has excellent low-temperature resistance and durability.
Description
Technical field
The present invention relates to a kind of sizing material, specifically, is the application of a kind of CR BUMPER sizing material in automobile door lock system.
Background technology
For automobile door lock system BUMPER rubber product, except some basic physical and mechanical propertiess require, special requirement meet lower temperature resistance and the endurance quality requirement such as low-temperature toughness, high-low temperature resistant circulation.
Chloroprene rubber (CR) has good physical and mechanical properties, and have higher tensile strength, elongation and reversible crystallinity in addition, cementability is good, ageing-resistant, heat-resisting, and oil resistant, chemical resistance are excellent, and lower temperature resistance is poor.About the CR BUMPER sizing material that can meet lower temperature resistance and the requirement of the endurance quality such as low-temperature toughness, high-low temperature resistant circulation, yet there are no report.
Summary of the invention
The object of the invention is, the application of a kind of CR BUMPER sizing material in automobile door lock system is provided.
For achieving the above object, the technical scheme that the present invention takes is:
The application of a kind of CR BUMPER sizing material in automobile door lock system, described sizing material is made up of the material of following weight part: CR rubber 100 parts, carbon black 30 ~ 40 parts, White Carbon black 10 ~ 20 parts, filler 20 ~ 30 parts, DOS softening oil 10 ~ 20 parts, stearic acid 1 ~ 2 part, 1 ~ 3 part, anti-aging agent, dispersion agent 1 ~ 2 part, 4 ~ 5 parts, magnesium oxide, 4 ~ 5 parts, zinc oxide, vulcanization accelerator 1 ~ 2 part.
Described carbon black is carbon black N550.
Described filler is calcium carbonate.
Described anti-aging agent is selected from anti-aging agent RD or antioxidant MB.
Described dispersion agent is higher fatty acid salt mixture, and described higher fatty acid salt mixture is made up of Zinic stearas and calcium stearate.
Described vulcanization accelerator is selected from accelerant B Z or altax.
Herein, described CR rubber has another name called chloroprene rubber, and purchased from the bright Sheng of Germany, product type is CR126.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:
The present invention adopts CR rubber and the good DOS softening oil of lower temperature resistance, and obtained sizing material has excellent lower temperature resistance and weather resistance.
Embodiment
the preparation (one) of embodiment 1 the present invention one class door lock system for vehicle CR BUMPER sizing material
Composition: CR rubber 100 parts, carbon black N550 30 parts, White Carbon black 10 parts, 20 parts, calcium carbonate, DOS softening oil 10 parts, stearic acid 1 part, anti-aging agent RD 1 part, calcium stearate 0.5 part, Zinic stearas 0.5 part, 4 parts, magnesium oxide, 4 parts, zinc oxide, accelerant B Z 1 part.
Preparation technology: first CR rubber, carbon black N550, White Carbon black, calcium carbonate, DOS softening oil, stearic acid, anti-aging agent RD, calcium stearate, Zinic stearas, the mixing A that is evenly made into of magnesium oxide are refined glue; Then, after prepared A being refined glue cooling, parking, zinc oxide is added and accelerant B Z is mixing more evenly namely obtains sizing material of the present invention.
the preparation (two) of embodiment 2 the present invention one class door lock system for vehicle CR BUMPER sizing material
Composition: CR rubber 100 parts, carbon black N550 40 parts, White Carbon black 20 parts, 30 parts, calcium carbonate, DOS softening oil 20 parts, stearic acid 2 parts, antioxidant MB 3 parts, calcium stearate 1 part, Zinic stearas 1 part, 5 parts, magnesium oxide, 5 parts, zinc oxide, altax 2 parts.
Preparation technology: first CR rubber, carbon black N550, White Carbon black, calcium carbonate, DOS softening oil, stearic acid, antioxidant MB, calcium stearate, Zinic stearas, the mixing A that is evenly made into of magnesium oxide are refined glue; Then, after prepared A being refined glue cooling, parking, zinc oxide is added and altax is mixing more evenly namely obtains sizing material of the present invention.
the preparation (three) of embodiment 3 the present invention one class door lock system for vehicle CR BUMPER sizing material
Composition: CR rubber 100 parts, carbon black N550 30 parts, White Carbon black 20 parts, 20 parts, calcium carbonate, DOS softening oil 20 parts, stearic acid 1 part, antioxidant MB 1 part, anti-aging agent RD 2 parts, calcium stearate 0.5 part, Zinic stearas 1 part, 5 parts, magnesium oxide, 4 parts, zinc oxide, altax 2 parts.
Preparation technology: first CR rubber, carbon black N550, White Carbon black, calcium carbonate, DOS softening oil, stearic acid, antioxidant MB, anti-aging agent RD, calcium stearate, Zinic stearas, the mixing A that is evenly made into of magnesium oxide are refined glue; Then, after prepared A being refined glue cooling, parking, zinc oxide is added and altax is mixing more evenly namely obtains sizing material of the present invention.
the preparation (four) of embodiment 4 the present invention one class door lock system for vehicle CR BUMPER sizing material
Composition: CR rubber 100 parts, carbon black N550 40 parts, White Carbon black 10 parts, 30 parts, calcium carbonate, DOS softening oil 10 parts, stearic acid 2 parts, antioxidant MB 1 part, calcium stearate 1 part, Zinic stearas 1 part, 4 parts, magnesium oxide, 5 parts, zinc oxide, accelerant B Z 1 part.
Preparation technology: first CR rubber, carbon black N550, White Carbon black, calcium carbonate, DOS softening oil, stearic acid, antioxidant MB, calcium stearate, Zinic stearas, the mixing A that is evenly made into of magnesium oxide are refined glue; Then, after prepared A being refined glue cooling, parking, zinc oxide is added and accelerant B Z is mixing more evenly namely obtains sizing material of the present invention.
the preparation (five) of embodiment 5 the present invention one class door lock system for vehicle CR BUMPER sizing material
Composition: CR rubber 100 parts, carbon black N550 35 parts, White Carbon black 15 parts, 25 parts, calcium carbonate, DOS softening oil 15 parts, stearic acid 1 part, antioxidant MB 1.5 parts, anti-aging agent RD 0.5 part, calcium stearate 1 part, Zinic stearas 1 part, 4 parts, magnesium oxide, 5 parts, zinc oxide, accelerant B Z 1 part.
Preparation technology: first CR rubber, carbon black N550, White Carbon black, calcium carbonate, DOS softening oil, stearic acid, antioxidant MB, anti-aging agent RD, calcium stearate, Zinic stearas, the mixing A that is evenly made into of magnesium oxide are refined glue; Then, after prepared A being refined glue cooling, parking, zinc oxide is added and accelerant B Z is mixing more evenly namely obtains 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 170 DEG C, 8 ~ 10 minutes time, pressure 15 ~ 18MPa.
the performance test of embodiment 6 CR BUMPER of the present invention sizing material
This test is divided into 6 groups, wherein test group 3 groups, control group 3 groups.
Test group 1, test group 2 and test group 3 adopt the CR BUMPER sizing material of the preparation of embodiment 1,3,5 respectively.
Control group 1: get CR rubber 100 parts, carbon black N550 30 parts, White Carbon black 10 parts, 20 parts, calcium carbonate, DOS softening oil 10 parts, stearic acid 1 part, anti-aging agent RD 1 part, calcium stearate 0.5 part, Zinic stearas 0.5 part, 4 parts, magnesium oxide, 4 parts, zinc oxide, Vulcanization accelerator TMTD 1 part; Above-mentioned raw materials is obtained sizing material 1 according to preparation technology of the present invention.
Control group 2: get CR rubber 100 parts, carbon black N550 30 parts, White Carbon black 20 parts, 20 parts, calcium carbonate, DOS softening oil 20 parts, stearic acid 1 part, 445 3 parts, anti-aging agent, calcium stearate 0.5 part, Zinic stearas 1 part, 5 parts, magnesium oxide, 4 parts, zinc oxide, altax 2 parts; Above-mentioned raw materials is obtained sizing material 2 according to preparation technology of the present invention.
Control group 3: get SBR rubber 100 parts, carbon black N550 35 parts, White Carbon black 15 parts, 25 parts, calcium carbonate, DOS softening oil 15 parts, stearic acid 1 part, antioxidant MB 1.5 parts, anti-aging agent RD 0.5 part, calcium stearate 1 part, Zinic stearas 1 part, 4 parts, magnesium oxide, 5 parts, zinc oxide, accelerant B Z 1 part; Above-mentioned raw materials is obtained sizing material 3 according to preparation technology of the present invention.
High-low temperature resistant cyclicity, weather resistance, the low temperature resistant and low-temperature toughness of testing experiment group 1,2,3 and control group 1,2,3 respectively.
High-low temperature resistant is tested: each test group and control group to be placed in respectively under-20 DEG C and 100 DEG C of conditions each 1 hour, in 150 cycles, to survey its changes in hardness difference.For meeting the requirement of high-low temperature resistant, the changes in hardness difference of measurement should be no more than 15 degree.
Endurance test: sizing material prepared by each test group and control group to be placed in 150 DEG C of thermostatic baths 160 hours, to observe its outward appearance with or without phenomenons such as being out of shape, being clamminess.
Low temperature resistant: sizing material prepared by each test group and control group is placed in-40 DEG C of conditions lower 48 hours, observing its surface has flawless.Low-temperature toughness: sizing material prepared by each test group and control group is placed in-40 DEG C of conditions lower 4 hours, its low-temperature toughness is no more than 85 Shao A.
The performance test results of table 1 CR BUMPER sizing material
Can be obtained by the test result in table 1, the changes in hardness difference of test group 1,2,3 is respectively 11,10,12, is better than control group, illustrates that the present invention has good high-low temperature resistant cyclicity; Test group 1,2,3 outward appearance all without distortion, be clamminess phenomenon, the present invention has good weather resistance; Surface flawless, illustrate that weather resistance of the present invention is better, the low-temperature toughness of test group 1,2,3 is respectively 68,71,70, is all less than 85 Shao A, meets the demands, and be better than control group.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (7)
1. the application of CR BUMPER sizing material in automobile door lock system, is characterized in that, described sizing material is made up of the material of following weight part: CR rubber 100 parts, carbon black 30 ~ 40 parts, White Carbon black 10 ~ 20 parts, filler 20 ~ 30 parts, DOS softening oil 10 ~ 20 parts, stearic acid 1 ~ 2 part, 1 ~ 3 part, anti-aging agent, dispersion agent 1 ~ 2 part, 4 ~ 5 parts, magnesium oxide, 4 ~ 5 parts, zinc oxide, vulcanization accelerator 1 ~ 2 part.
2. CR BUMPER according to claim 1 applies, and it is characterized in that, described sizing material is made up of the material of following weight part: CR rubber 100 parts, carbon black 35 parts, White Carbon black 15 parts, filler 25 parts, DOS softening oil 15 parts, stearic acid 1 part, 2 parts, anti-aging agent, dispersion agent 2 parts, 4 parts, magnesium oxide, 5 parts, zinc oxide, vulcanization accelerator 1 part.
3. CR BUMPER according to claim 1 and 2 applies, and it is characterized in that, described carbon black is carbon black N550.
4. CR BUMPER according to claim 1 and 2 applies, and it is characterized in that, described filler is calcium carbonate.
5. CR BUMPER according to claim 1 and 2 applies, and it is characterized in that, described anti-aging agent is selected from anti-aging agent RD or antioxidant MB.
6. CR BUMPER according to claim 1 and 2 applies, and it is characterized in that, described dispersion agent is higher fatty acid salt mixture, and described higher fatty acid salt mixture is made up of Zinic stearas and calcium stearate.
7. CR BUMPER according to claim 1 and 2 applies, and it is characterized in that, described vulcanization accelerator is selected from vulcanization accelerator BZ or altax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495713.XA CN104231371A (en) | 2014-09-25 | 2014-09-25 | Application of CR (Chloroprene Rubber) BUMPER rubber in automobile gate lock system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495713.XA CN104231371A (en) | 2014-09-25 | 2014-09-25 | Application of CR (Chloroprene Rubber) BUMPER rubber in automobile gate lock system |
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| CN104231371A true CN104231371A (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410495713.XA Pending CN104231371A (en) | 2014-09-25 | 2014-09-25 | Application of CR (Chloroprene Rubber) BUMPER rubber in automobile gate lock system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163330A (en) * | 2017-06-08 | 2017-09-15 | 合肥帧讯低温科技有限公司 | A kind of low temperature resistant insulation material and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353453A (en) * | 2007-07-27 | 2009-01-28 | 铁道科学研究院金属及化学研究所 | Chloroprene rubber composition having improved cold tolerance |
| CN101375014A (en) * | 2005-12-29 | 2009-02-25 | 开开特股份公司 | Motor vehicle door lock |
| 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 |
-
2014
- 2014-09-25 CN CN201410495713.XA patent/CN104231371A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101375014A (en) * | 2005-12-29 | 2009-02-25 | 开开特股份公司 | Motor vehicle door lock |
| CN101353453A (en) * | 2007-07-27 | 2009-01-28 | 铁道科学研究院金属及化学研究所 | Chloroprene rubber composition having improved cold tolerance |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163330A (en) * | 2017-06-08 | 2017-09-15 | 合肥帧讯低温科技有限公司 | A kind of low temperature resistant insulation material and preparation method |
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Application publication date: 20141224 |