CN101886548B - Polyurethane composite material hair dryer and manufacturing method thereof - Google Patents
Polyurethane composite material hair dryer and manufacturing method thereof Download PDFInfo
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- CN101886548B CN101886548B CN 201010238939 CN201010238939A CN101886548B CN 101886548 B CN101886548 B CN 101886548B CN 201010238939 CN201010238939 CN 201010238939 CN 201010238939 A CN201010238939 A CN 201010238939A CN 101886548 B CN101886548 B CN 101886548B
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Abstract
The invention relates to a polyurethane composite material hair dryer, comprising a dryer wall; the dryer wall comprises a hair dryer fabric, a web fiber textile and filling substance, the hair dryer fabric is arranged at the innermost layer of the dryer wall, a plurality of layers of web fiber textiles are arranged outside the hair dryer fabric, filling substance is filled between web fiber textile layers, filling substance is filled between the web fiber textile and the hair dryer fabric, and the filling substance comprises polyurethane prepolymer, vulcanizer, decabromodiphenyl ether, antimonous oxide, conductive black and colour paste. The polyurethane composite material hair dryer of the invention has the following technical effects: elasticity is good, toughness is strong, hardness number is stable, brute force is high, elasticity is high, and impact resistance is strong, being 3-5 times that of natural rubber, and the hair dryer can tolerate pure strike caused by underground blasting without deformation breakdown or bending; Oil resistance is good, hydrolysis resistance and ageing resistance are strong, no embrittlement crack is produced under low temperature condition and no air leak is caused, and antiflaming, antistatic, acid-base corrosion resistance and wear resistance performances are good.
Description
Technical field
The present invention relates to the ventilation installation in a kind of mine or tunnel, particularly relate to a kind of polyurethane composite material hair dryer.
Background technology
Ventilation accounts in Coal Production by important status, can not lack this link of ventilating in the Coal Production.The necessaries of coalmine ventilation---the quality of air duct quality is directly connected to coal mine production safety and miner's life security.And air duct become a kind of running stores, and the expense of repair and replacement air duct is occupied very big ratio in the coal cost.
Mostly the material of traditional air duct is rubber or glass fiber reinforced plastic, and these two kinds of air duct intensity differences, fragility are big, impact resistance is poor, when driving is blown out, is very easily burst apart or blows up, and frequent replacing air duct has increased miner's labour intensity, and it is dangerous also to have increased operation simultaneously.
Summary of the invention
Technical problem to be solved by this invention provides a kind of good springiness, toughness is strong, hardness number is stable, high-tenacity and high resiliency, polyurethane composite material hair dryer that impact resistance is strong.
Another technical problem to be solved by this invention provides a kind of good springiness, toughness is strong, hardness number is stable, the manufacturing approach of high-tenacity and high resiliency, polyurethane composite material hair dryer that impact resistance is strong.
Polyurethane composite material hair dryer of the present invention; Comprise barrel; Said barrel comprises air duct cloth, netted fine fabric and filler; Said air duct cloth is positioned at the innermost layer of said barrel, and said air duct cloth is provided with the said netted fine fabric of multilayer outward, is full of said filler between the said netted fine fabric of multilayer; Be full of said filler between said netted fine fabric and the said air duct cloth, said filler comprises base polyurethane prepolymer for use as, vulcanizing agent, deca-BDE, antimony oxide, conductive black and mill base.
Polyurethane composite material hair dryer of the present invention, wherein, each material mass degree is in the said filler: base polyurethane prepolymer for use as: 80-85; Vulcanizing agent: 9-15; Deca-BDE: 1.5-3.5; Antimony oxide: 1-1.5; Conductive black: 0.2-0.5; Mill base: 0.3-1.
Polyurethane composite material hair dryer of the present invention, wherein, said air duct cloth is the rubber and plastic material.
Polyurethane composite material hair dryer of the present invention, wherein, said netted fine fabric is processed by glass fiber.
Polyurethane composite material hair dryer of the present invention, wherein, said vulcanizing agent is two o-chloraniline methane.
The manufacturing approach of polyurethane composite material hair dryer of the present invention may further comprise the steps:
1, weighing and heating process: base polyurethane prepolymer for use as is heated to fusing, the base polyurethane prepolymer for use as after the fusing evenly is heated to 80-85 ℃; Then base polyurethane prepolymer for use as, deca-BDE, antimony oxide, conductive black, mill base are mixed to stir and obtain the performed polymer mixture;
2, crosslinked operation: vulcanizing agent is heated to 116-120 ℃, treats that its fusing back adds said performed polymer mixture, stirs and forms the filler mixture after 1-1.5 minute;
3, scrape film compound fabric operation: air duct cloth is rolled onto on the mould of cylindrical shape, the filler mixture that stirs is cast in the outer wall of air duct yardage roll, in cast simultaneously with scraper plate with filler mixture drawout, form the filler layer; On the filler layer, twine netted fine fabric; And then cast filler mixture and drawout, then twine netted fine fabric; Pour into a mould filler mixture and drawout once more, so repeat repeatedly after, with the roasting lamp of electric heating mould is toasted, roasting after 6-8 minute, pour into a mould filler mixture and drawout once more;
4, vulcanization process: mould was toasted 1 hour with the roasting lamp of electric heating;
5, the demoulding, unload die process: the air duct that cast forms is taken off from mould;
6, post-cure operation: air duct is put into bakery, and 110 ℃ were toasted 8 hours, and room temperature is reduced in cooling naturally.
Than prior art; Polyurethane composite material hair dryer of the present invention has following technique effect: good springiness, toughness is strong, hardness number is stable, high-tenacity and high resiliency, impact resistance are strong; Be 3～5 times of natural rubber, can tolerate that brute force that underground blasting brings is impacted and indeformable puncture and bending.Oil resistance excellence, hydrolysis, ageing-resistant performance are strong, embrittlement do not take place under the low-temperature condition and cause leaking out, and fire-retardant, antistatic, acid-alkali-corrosive-resisting, anti-wear performance are good.
Description of drawings
Fig. 1 is the stereogram of the structural representation of polyurethane composite material hair dryer of the present invention;
Fig. 2 is the A partial enlarged drawing of Fig. 1.
The specific embodiment
Like Fig. 1, shown in Figure 2, polyurethane composite material hair dryer of the present invention comprises barrel 5, and barrel 5 comprises air duct cloth 1, netted fine fabric 2 and filler 3, and wherein air duct cloth 1 is positioned at the innermost layer of barrel 5, and air duct cloth 1 skin is provided with six layers of netted fine fabric 2.Six layers of netted fine fabric 2 is as the skeleton of polyurethane composite material hair dryer.Between every layer of netted fine fabric 2, be full of filler 3 between netted fine fabric 2 and the air duct cloth 1.Wherein filler 3 comprises base polyurethane prepolymer for use as, vulcanizing agent, deca-BDE, antimony oxide, conductive black, mill base.
Each material mass degree is in the filler 3: base polyurethane prepolymer for use as: 80-85; Vulcanizing agent: 9-15; Deca-BDE: 1.5-3.5; Antimony oxide: 1-1.5; Conductive black: 0.2-0.5; Mill base: 0.3-1.
Air duct cloth 1 can adopt the rubber and plastic material, and netted fine fabric 2 can adopt glass fiber or carbon fiber.
Base polyurethane prepolymer for use as adopts the H1342 type polyurethane performed polymer of Yantai China day chemical industry Co., Ltd product
Vulcanizing agent adopts MBOCA, i.e. two o-chloraniline methane.
The manufacturing approach of polyurethane composite material hair dryer of the present invention is seen following examples.
Embodiment one, a kind of manufacturing approach of polyurethane composite material hair dryer of the present invention:
1, weighing and heating process: according to the prescription raw materials weighing (mass percent): base polyurethane prepolymer for use as: 83.3; Vulcanizing agent: 11.5; Deca-BDE: 2.5; Antimony oxide: 1.3; Conductive black: 0.3; Mill base: 0.6; Base polyurethane prepolymer for use as is heated to fusing, the base polyurethane prepolymer for use as after the fusing evenly is heated to 80-85 ℃; Then base polyurethane prepolymer for use as, deca-BDE, antimony oxide, conductive black, mill base are mixed to abundant mixing and obtain the performed polymer mixture;
2, crosslinked operation: load weighted vulcanizing agent is heated to 116-120 ℃, treats that it melts the back adding and goes up the performed polymer mixture that step obtains, and fully stirs and forms the filler mixture after 1-1.5 minute;
3, scrape film compound fabric operation: air duct cloth is rolled onto on the mould of cylindrical shape, the filler mixture that stirs is cast in the outer wall of air duct yardage roll, in cast simultaneously with scraper plate with filler mixture drawout, form the filler layer; On the filler layer, twine netted fine fabric; And then cast filler compounding substances and drawout, then twine netted fine fabric; Pour into a mould filler mixture and drawout once more, so repeat, when twining totally six layers in netted fine fabric, behind cast filler mixture and the drawout seven times, mould is toasted with the roasting lamp of electric heating, roasting after 6-8 minute, pour into a mould filler mixture and drawout once more;
4, vulcanization process: mould was toasted 1 hour with the roasting lamp of electric heating;
5, the demoulding, unload die process: the air duct that cast forms is taken off from mould;
6, post-cure operation: air duct is put into bakery, and 110 ℃ were toasted 8 hours, and room temperature is reduced in cooling naturally;
7, prune the edging operation: by the figure paper size with scissors with the air duct trimmed.
Polyurethane composite material hair dryer of the present invention in use; The first end subtend boring head with the first segment air duct; With suspension ring or iron wire hang second end of hanging and be forced into the first segment air duct by same direction above the tunnel, with the second joint air duct to push away motionless till; Link to each other before and after then iron wire being penetrated and tighten in the two close joint air duct suspension ring, the rest may be inferred installs for the joint number that increases later on.
Polyurethane composite material hair dryer good springiness of the present invention, toughness is strong, hardness number is stable, high-tenacity and high resiliency, impact resistance are strong.Process detection impact resistance is 3～5 times of rubber air duct.Environmental testing shows: polyurethane composite material hair dryer of the present invention can tolerate that brute force that underground blasting brings is impacted and indeformable puncture and bending.Simultaneously embrittlement does not take place under strong, high temperature resistant, the low-temperature condition of polyurethane composite material hair dryer oil resistance excellence of the present invention, hydrolysis, ageing-resistant performance and cause leaking out, fire resistance is good, antistatic, be fit to apply.
Be numbered the DF20093432-YMC survey report according to what national security production Chongqing mining equipment detected that the inspection center makes; Polyurethane composite material hair dryer of the present invention weighs 3 kilograms at awl; Shock resistance that height of the fall is 2 meters detects in the test, 10 equal flawlesses of sample and destruction; Detect in the test in heat resistance, sample of the present invention was placed 24 hours in 80 ℃ insulating box, and stickness is lost, do not had to the surface nothing, satisfied technical requirements; Detect in the test in cold resistance, sample of the present invention was placed 4 hours in-26 ℃ cryogenic box, and the surface nothing loses, flawless; Detect in the test in anti-flammability, sample of the present invention, alcohol blast burner flaming combustion time average is 0.5 second, and alcohol blast burner flameless combustion time average is 0.6 second, and alcolhol burner flaming combustion time average is 0 second, and alcolhol burner flameless combustion time average is 0.6 second; Detect in the test with powerful in toughness, sample warp-wise of the present invention is pulled apart the powerful 2360.5N/50mm that is, broadwise is pulled apart the powerful 2541N/50mm that is, the warp-wise tear edge is 1620N, and the broadwise tear edge is 1047N; The inner surface resistance 4.5 * 10 of polyurethane composite material hair dryer of the present invention
3Ohm, external surface resistance 1.2 * 10
3Ohm.
The above embodiment only is that preferred implementation of the present invention is described; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (8)
1. polyurethane composite material hair dryer; Comprise barrel (5); It is characterized in that said barrel (5) comprises air duct cloth (1), netted fine fabric (2) and filler (3), said air duct cloth (1) is positioned at the innermost layer of said barrel (5); The outer said netted fine fabric of multilayer (2) that is provided with of said air duct cloth (1); Be full of said filler (3) between the said netted fine fabric of multilayer (2), be full of said filler (3) between said netted fine fabric (2) and the said air duct cloth (1), said filler (3) comprises base polyurethane prepolymer for use as, vulcanizing agent, deca-BDE, antimony oxide, conductive black and mill base.
2. polyurethane composite material hair dryer according to claim 1 is characterized in that, each material mass degree is in the said filler (3): base polyurethane prepolymer for use as: 80-85; Vulcanizing agent: 9-15; Deca-BDE: 1.5-3.5; Antimony oxide: 1-1.5; Conductive black: 0.2-0.5; Mill base: 0.3-1.
3. polyurethane composite material hair dryer according to claim 2 is characterized in that, said air duct cloth (1) is the rubber and plastic material.
4. polyurethane composite material hair dryer according to claim 3 is characterized in that, said netted fine fabric (2) is processed by glass fiber.
5. polyurethane composite material hair dryer according to claim 4 is characterized in that, said vulcanizing agent is two o-chloraniline methane.
6. polyurethane composite material hair dryer according to claim 5 is characterized in that, the outer said netted fine fabric of multilayer (2) that is provided with of said air duct cloth (1) is provided with 6 layers of said netted fine fabric (2) for said air duct cloth (1) is outer.
7. the manufacturing approach of the described polyurethane composite material hair dryer of claim 1 is characterized in that, may further comprise the steps:
(1) weighing and heating process: base polyurethane prepolymer for use as is heated to fusing, the base polyurethane prepolymer for use as after the fusing evenly is heated to 80-85 ℃; Then base polyurethane prepolymer for use as, deca-BDE, antimony oxide, conductive black, mill base are mixed to stir and obtain the performed polymer mixture;
(2) crosslinked operation: vulcanizing agent is heated to 116-120 ℃, treats that its fusing back adds said performed polymer mixture, stirs and forms the filler mixture after 1-1.5 minute;
(3) scrape film compound fabric operation: air duct cloth is rolled onto on the mould of cylindrical shape, the filler mixture that stirs is cast in the outer wall of air duct yardage roll, in cast simultaneously with scraper plate with filler mixture drawout; Form the filler layer, on the filler layer, twine netted fine fabric and then cast filler mixture and drawout; Then twine netted fine fabric; Pour into a mould filler mixture and drawout once more, so repeat repeatedly after, with the roasting lamp of electric heating mould is toasted; Roasting after 6-8 minute, pour into a mould filler mixture and drawout once more;
(4) vulcanization process: mould was toasted 1 hour with the roasting lamp of electric heating;
(5) demoulding, unload die process: the air duct that cast forms is taken off from mould;
(6) post-cure operation: air duct is put into bakery, and 110 ℃ were toasted 8 hours, and room temperature is reduced in cooling naturally.
8. the manufacturing approach of polyurethane composite material hair dryer according to claim 7 is characterized in that, each material mass degree is in the said performed polymer mixture: base polyurethane prepolymer for use as: 80-85; Vulcanizing agent: 9-15; Deca-BDE: 1.5-3.5; Antimony oxide: 1-1.5; Conductive black: 0.2-0.5; Mill base: 0.3-1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010238939 CN101886548B (en) | 2010-07-28 | 2010-07-28 | Polyurethane composite material hair dryer and manufacturing method thereof |
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| CN 201010238939 CN101886548B (en) | 2010-07-28 | 2010-07-28 | Polyurethane composite material hair dryer and manufacturing method thereof |
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| CN101886548B true CN101886548B (en) | 2012-05-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635386A (en) * | 2012-04-10 | 2012-08-15 | 山西省电力公司太原供电分公司 | Warning air-draft tube |
| CN109016784B (en) * | 2018-08-24 | 2019-09-03 | 刘峰 | A kind of preparation method of high bearing capacity air duct cloth material |
| CN112253212A (en) * | 2020-10-21 | 2021-01-22 | 唐亚男 | Air duct and cooling device with same |
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| CN2608807Y (en) * | 2003-03-13 | 2004-03-31 | 李博 | Glass reinforced plastic composite thermal insulating air conditioning transmission air duct |
| CN201007217Y (en) * | 2007-01-15 | 2008-01-16 | 济南惠尔达科技发展有限公司 | Detonator exploding prevention wind pipe for mining |
| CN101196121A (en) * | 2007-12-26 | 2008-06-11 | 马兰英 | Polyurethane composite material wind pipe |
| WO2008125053A1 (en) * | 2007-04-12 | 2008-10-23 | E.I.Du Pont De Nemours And Company | Para-aramid ventilation pipe |
| JP2009162416A (en) * | 2007-12-29 | 2009-07-23 | National Marine Plastic:Kk | Heat exchange type air pipe |
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2010
- 2010-07-28 CN CN 201010238939 patent/CN101886548B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2608807Y (en) * | 2003-03-13 | 2004-03-31 | 李博 | Glass reinforced plastic composite thermal insulating air conditioning transmission air duct |
| CN201007217Y (en) * | 2007-01-15 | 2008-01-16 | 济南惠尔达科技发展有限公司 | Detonator exploding prevention wind pipe for mining |
| WO2008125053A1 (en) * | 2007-04-12 | 2008-10-23 | E.I.Du Pont De Nemours And Company | Para-aramid ventilation pipe |
| CN101196121A (en) * | 2007-12-26 | 2008-06-11 | 马兰英 | Polyurethane composite material wind pipe |
| JP2009162416A (en) * | 2007-12-29 | 2009-07-23 | National Marine Plastic:Kk | Heat exchange type air pipe |
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Address after: 232008 LITE-ON Road, Huainan economic and Technological Development Zone, Anhui Applicant after: Huainan Runcheng Technology Co., Ltd. Address before: 232008 LITE-ON Road, Huainan economic and Technological Development Zone, Anhui Applicant before: Huainan Runcheng Technology Co., Ltd. |
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