CN104962068A - Anti-corrosion wear-resisting anti-aging automobile sealing strip - Google Patents
Anti-corrosion wear-resisting anti-aging automobile sealing strip Download PDFInfo
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- CN104962068A CN104962068A CN201510399299.7A CN201510399299A CN104962068A CN 104962068 A CN104962068 A CN 104962068A CN 201510399299 A CN201510399299 A CN 201510399299A CN 104962068 A CN104962068 A CN 104962068A
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Abstract
The invention relates to an anti-corrosion wear-resisting anti-aging automobile sealing strip. Raw materials comprise 10 parts of 3,7-dimethyl-6-octenal, 20 parts of organic silicone modified polyurethane resin, 20 parts of gamma-butyrolactone, 2 parts of a curing agent, 2 parts of nanometer sodium-calcium-based montmorillonite, 1 part of a leveling agent, 3 parts of barium sulfate, 10 parts of 3-phenyl-2-propyl ester acrylate, 2 parts of a wetting accelerant, 15 parts of alloy powder prepared through the step 1, and 10 parts of D-acridine-2-carboxylic acid. The automobile sealing strip has excellent water and oil repellency, excellent wear resistance and excellent corrosion resistance.
Description
Technical field
The present invention relates to the anti-aging weather strip for automobile of a kind of anticorrosion antiwear.
Background technology
Weather strip for automobile is one of important accessory of automobile, is widely used in the positions such as automobile door and window, seat, skylight, engine case, boot, has waterproof, sealing, vibration and noise reducing, rot-resistant effect.Along with high speed development and the novel material extensive application in the automotive industry of novel material, and advanced person is to the high requirement of vehicle mass reliability, security, comfortableness, traditional sealing material can not meet the requirement of modern automobile industry, be mainly reflected in the antiseptic power of sealed strip, wear resistance and toughness poor, anti-aging is poor.
Summary of the invention
The invention provides the anti-aging weather strip for automobile of a kind of anticorrosion antiwear, 3 are employed in raw material, 7-dimethyl-6-octenal and organic silicon modified polyurethane resin, sealed strip is made to have the hydrophobic of excellence, oleophobic surface characteristic, the contamination resistance of body surface can be significantly improved, there is excellent corrosion resistance nature and surface abrasion resistance simultaneously.Also comprise Zn/W/Zr/Sr/Si powdered alloy in raw material, the combination of each element not only reaches the effect coordinating adjustment current potential, can also effectively improve sealed strip hardness, physical strength and wear resistance.In addition, nanometer Sodium/Calcium base montmorillonite is also added in raw material, effectively increase the tortuous that corrosion factor (as the small molecules such as steam, oxygen) is walked in sealed strip, improve barrier property and the sealed strip compactness of sealing strip material, improve the corrosion resisting property of sealed strip further.
Object of the present invention is achieved by the following method:
The anti-aging weather strip for automobile of a kind of anticorrosion antiwear, raw material comprises 3,7-dimethyl-6-octenal 10 weight part, organic silicon modified polyurethane resin 20 weight part, gamma-butyrolactone 20 weight part, solidifying agent 2 weight part, nanometer Sodium/Calcium base montmorillonite 2 weight part, flow agent 1 weight part, barium sulfate 3 weight part, cinnamic acid propyl ester 10 weight part, wetting enhancer 2 weight part, Zn/W/Zr/Sr/Si powdered alloy 15 weight part, D-acridine-2-carboxylic acid 10 weight part; Prepared by following preparation process:
Step one: the preparation of Zn/W/Zr/Sr/Si powdered alloy: with alloy gross weight for comparison basis, according to weight, Zn is 6%, Zr is 1.5%, Sr is 0.04%, Si is 2%, all the other are prepared burden for W, raw material is put into the crucible heat fused having bottom outlet of peripheral hardware induction coil, bottom diameter is about 1-1.5mm, the runner of rotation is established in crucible bottom outlet bottom, crucible top connects argon pressure system, fusing is carried out at ambient pressure, induction encloses the effect of heat fused alloy, during melted alloy, induction coil is energized, argon pressure system is opened after melting sources, under the atmospheric ar gas acting of 1.1-1.4, aluminium alloy flows out from bottom outlet, with the runner edge contact rotated, the linear velocity at runner edge is 18-20m/s, it is 0.5mm band that aluminium alloy is got rid of into thickness by runner edge, then alloy strip is put into ball mill and be ground into granularity for about 400 order ~ 500 object alloy powders, for subsequent use,
Step 2: take 3 respectively with weight parts, 7-dimethyl-6-octenal 10 parts, organic silicon modified polyurethane resin 20 parts, gamma-butyrolactone 20 parts, 2 parts, solidifying agent, nanometer Sodium/Calcium base montmorillonite 2 parts, flow agent 1 part, 3 parts, barium sulfate, cinnamic acid propyl ester 10 parts, wetting enhancer 2 parts, the powdered alloy 15 parts that step one is obtained, D-acridine-2-carboxylic acid 10 parts;
Step 3: by abundant for above-mentioned raw materials mix and blend 1 hour, melt extrude in twin screw extruder, utilize sealed strip grinding tool compression molding, namely air-cooled rear packaging obtained described weather strip for automobile.
The granularity of described Sodium/Calcium base montmorillonite is 100-200nm.
The working temperature of twin screw extruder is 60-80 DEG C, pressure 120-140MPa.
beneficial effect
The present invention has following beneficial effect:
1. employ 3 in raw material of the present invention, 7-dimethyl-6-octenal and organic silicon modified polyurethane resin, make sealed strip have excellent hydrophobic, oleophobic surface characteristic, significantly improve the contamination resistance of body surface, there is excellent corrosion resistance nature and surface abrasion resistance simultaneously.
2, also comprise Zn/W/Zr/Sr/Si powdered alloy in raw material of the present invention, the combination of each element not only reaches the effect coordinating adjustment current potential, effectively can also improve the toughness of sealed strip, physical strength and wear resistance.
3, also added nanometer Sodium/Calcium base montmorillonite in raw material of the present invention, effectively increase the tortuous that corrosion factor (as the small molecules such as steam, oxygen) is walked in sealed strip, improve barrier property and the sealed strip compactness of sealing strip material, and then improve the corrosion resisting property of sealed strip.
4, gamma-butyrolactone, barium sulfate and cinnamic acid propyl ester with the use of, improve the ageing resistance of sealed strip greatly, extend work-ing life.
Embodiment
Below in conjunction with concrete embodiment; weather strip for automobile of the present invention and preparation method thereof is described in detail; object is in order to the public better understands the technology contents of the present patent application; instead of the restriction to described technology contents; in fact; with identical or approximate principle; to the improvement that described weather strip for automobile and preparation and application thereof carry out; comprise increase and decrease and the replacement of each component in described raw material; and the improvement of different technology conditions in its preparation and application, all within the present patent application technical scheme required for protection.
embodiment 1
The preparation of Zn/W/Zr/Sr/Si powdered alloy: the preparation of Zn/W/Zr/Sr/Si powdered alloy: with alloy gross weight for comparison basis, according to weight, Zn is 6%, Zr is 1.5%, Sr is 0.04%, Si is 2%, all the other are prepared burden for W, raw material is put into the crucible heat fused having bottom outlet of peripheral hardware induction coil, bottom diameter is about 1-1.5mm, the runner of rotation is established in crucible bottom outlet bottom, crucible top connects argon pressure system, fusing is carried out at ambient pressure, induction encloses the effect of heat fused alloy, during melted alloy, induction coil is energized, argon pressure system is opened after melting sources, under the atmospheric ar gas acting of 1.1-1.4, aluminium alloy flows out from bottom outlet, with the runner edge contact rotated, the linear velocity at runner edge is 18-20m/s, it is 0.5mm band that aluminium alloy is got rid of into thickness by runner edge, then alloy strip is put into ball mill and be ground into granularity for about 400 order ~ 500 object alloy powders, for subsequent use.
The preparation of weather strip for automobile: take 3 respectively with weight parts, 7-dimethyl-6-octenal 10 parts, organic silicon modified polyurethane resin 20 parts, gamma-butyrolactone 20 parts, 2 parts, solidifying agent, granularity is the nanometer Sodium/Calcium base montmorillonite 2 parts of 100-200nm, flow agent 1 part, 3 parts, barium sulfate, cinnamic acid propyl ester 10 parts, wetting enhancer 2 parts, the powdered alloy 15 parts that step one is obtained, D-acridine-2-carboxylic acid 10 parts; By abundant for above-mentioned raw materials mix and blend 1 hour, melt extrude in twin screw extruder, utilize sealed strip grinding tool compression molding, namely air-cooled rear packaging obtained described weather strip for automobile, and the working temperature of twin screw extruder is 60-80 DEG C, pressure 120-140MPa.
Claims (3)
1. the anti-aging weather strip for automobile of anticorrosion antiwear, it is characterized in that, raw material comprises 3,7-dimethyl-6-octenal 10 weight part, organic silicon modified polyurethane resin 20 weight part, gamma-butyrolactone 20 weight part, solidifying agent 2 weight part, nanometer Sodium/Calcium base montmorillonite 2 weight part, flow agent 1 weight part, barium sulfate 3 weight part, cinnamic acid propyl ester 10 weight part, wetting enhancer 2 weight part, Zn/W/Zr/Sr/Si powdered alloy 15 weight part, D-acridine-2-carboxylic acid 10 weight part etc.; Prepared by following preparation process:
Step one: the preparation of Zn/W/Zr/Sr/Si powdered alloy: with alloy gross weight for comparison basis, according to weight, Zn is 6%, Zr is 1.5%, Sr is 0.04%, Si is 2%, all the other are prepared burden for W, raw material is put into the crucible heat fused having bottom outlet of peripheral hardware induction coil, bottom diameter is about 1-1.5mm, the runner of rotation is established in crucible bottom outlet bottom, crucible top connects argon pressure system, fusing is carried out at ambient pressure, induction encloses the effect of heat fused alloy, during melted alloy, induction coil is energized, argon pressure system is opened after melting sources, under the atmospheric ar gas acting of 1.1-1.4, aluminium alloy flows out from bottom outlet, with the runner edge contact rotated, the linear velocity at runner edge is 18-20m/s, it is 0.5mm band that aluminium alloy is got rid of into thickness by runner edge, then alloy strip is put into ball mill and be ground into granularity for about 400 order ~ 500 object alloy powders, for subsequent use,
Step 2: take 3 respectively with weight parts, 7-dimethyl-6-octenal 10 parts, organic silicon modified polyurethane resin 20 parts, gamma-butyrolactone 20 parts, 2 parts, solidifying agent, nanometer Sodium/Calcium base montmorillonite 2 parts, flow agent 1 part, 3 parts, barium sulfate, cinnamic acid propyl ester 10 parts, wetting enhancer 2 parts, the powdered alloy 15 parts that step one is obtained, D-acridine-2-carboxylic acid 10 parts;
Step 3: by abundant for above-mentioned raw materials mix and blend 1 hour, melt extrude in twin screw extruder, utilize sealed strip grinding tool compression molding, namely air-cooled rear packaging obtained described weather strip for automobile.
2. the anti-aging weather strip for automobile of anticorrosion antiwear as claimed in claim 1, it is characterized in that, the granularity of described Sodium/Calcium base montmorillonite is 100-200nm.
3. the anti-aging weather strip for automobile of anticorrosion antiwear as claimed in claim 1, it is characterized in that, the working temperature of twin screw extruder is 60-80 DEG C, pressure 120-140MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399299.7A CN104962068A (en) | 2015-07-09 | 2015-07-09 | Anti-corrosion wear-resisting anti-aging automobile sealing strip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510399299.7A CN104962068A (en) | 2015-07-09 | 2015-07-09 | Anti-corrosion wear-resisting anti-aging automobile sealing strip |
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| CN104962068A true CN104962068A (en) | 2015-10-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115627083A (en) * | 2022-11-09 | 2023-01-20 | 广西民泰纳米科技有限公司 | Preparation method of nano calcium carbonate for asphalt system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724915A (en) * | 2013-12-06 | 2014-04-16 | 成都闿阳科技有限公司 | Environment-friendly flame-retardant automobile sealing strip |
| CN103724917A (en) * | 2013-12-06 | 2014-04-16 | 成都闿阳科技有限公司 | Flame-retardant sealing strip for automobile |
| CN103788560A (en) * | 2013-12-06 | 2014-05-14 | 成都闿阳科技有限公司 | Environment-friendly thermoplastic flame-retardant automobile door/window sealing strip |
-
2015
- 2015-07-09 CN CN201510399299.7A patent/CN104962068A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724915A (en) * | 2013-12-06 | 2014-04-16 | 成都闿阳科技有限公司 | Environment-friendly flame-retardant automobile sealing strip |
| CN103724917A (en) * | 2013-12-06 | 2014-04-16 | 成都闿阳科技有限公司 | Flame-retardant sealing strip for automobile |
| CN103788560A (en) * | 2013-12-06 | 2014-05-14 | 成都闿阳科技有限公司 | Environment-friendly thermoplastic flame-retardant automobile door/window sealing strip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115627083A (en) * | 2022-11-09 | 2023-01-20 | 广西民泰纳米科技有限公司 | Preparation method of nano calcium carbonate for asphalt system |
| CN115627083B (en) * | 2022-11-09 | 2023-11-10 | 广西民泰纳米科技有限公司 | Preparation method of nano calcium carbonate for asphalt system |
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Application publication date: 20151007 |