CN103665312A - Formula for producing polyurethane material with uniform bubbles and high air permeability and fabrication technology thereof - Google Patents
Formula for producing polyurethane material with uniform bubbles and high air permeability and fabrication technology thereof Download PDFInfo
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- CN103665312A CN103665312A CN201210328139.XA CN201210328139A CN103665312A CN 103665312 A CN103665312 A CN 103665312A CN 201210328139 A CN201210328139 A CN 201210328139A CN 103665312 A CN103665312 A CN 103665312A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2101/00—Manufacture of cellular products
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
- C08J2203/184—Binary blends of expanding agents of chemical foaming agent and physical blowing agent, e.g. azodicarbonamide and fluorocarbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to the field of a plastic material, and particularly relates to a polyurethane material. A formula for producing a polyurethane material with uniform bubbles and high air permeability comprises a polyurethane material, wherein the polyurethane material comprises the following components by weight percent: 20-60% of isocyanate, 50-100% of polyether polyol, 30-70% of polymer polyols, 0.05-1.0% of amine catalyst, 1.0-4.0% of water, 0.5-2.5% of silicon oil, 0.5-1.0% of antibacterial agent, 0.03-1.0% of tin, and 0.5-5.0% of other assistants. A fabrication technology of the polyurethane material with uniform bubbles and high air permeability comprises the following steps: mixing the raw materials, foaming and molding the raw materials, and cutting polyurethane foam. The technical scheme is adopted, so that nitrogen instead of air is utilized to foam the polyurethane material, so that the foamed polyurethane sponge is regular and even in bubble structure, good in air permeability, safer and more healthful, and bacterial replication is reduced.
Description
Technical field
The present invention relates to plastic material field, be specifically related to a kind of polyurethane material.
Background technology
Polyurethane sponge is widely used in various industries, industries such as weaving, automobile, civil aviaton, and its use scale is also in continuous expansion.In clothing making industry, brassiere underwear is that women must use one of article, in order to improve the Mai Tai of brassiere underwear, a lot of brassiere underwears all need sponge to shape, but the sponge that present major part is made for underwear is in making processes, utilize air to foam, and in air, contain moisture and other impurity, while utilizing air to foam, easily cause foam structure comparatively chaotic, affect the Gas permeability of sponge, if underwear has been used this sponge as shaping material, the ventilation property that can reduce underwear, is unfavorable for HUMAN HEALTH.
In addition, brassiere underwear is as women's underclothes, sultry air-locked brassiere underwear easily makes wearer supersecretion sweat, especially in summer, when hot weather can impel the too much sweat of human secretory, also can make in brassiere underwear easily breed bacteria, even if wash Exposure to Sunlight, still cannot remove the bacterium in sponge, cause skin to infect, be unfavorable for the health of human body skin.
Summary of the invention
The object of the present invention is to provide the even high air previous polyurethane material produce formula of abscess, solve above technical problem.
Another object of the present invention is to, the manufacture craft of the even high air previous polyurethane material of abscess is provided, solve above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
The even high air previous polyurethane material produce formula of abscess, comprise urethane raw, it is characterized in that, described urethane raw comprises the feed composition of following weight ratio: isocyanic ester 10-50%, polyether glycol 30-70%, polymer polyatomic alcohol 15-55%, amine catalyst 0.05-1.0%, water 1.0-4.0%, silicone oil 0.5-2.5%, whipping agent 1.0-8.0%, antiseptic-germicide 0.5-1.0%, tin 0.03-1.0%.
The formula of the polyurethane sponge that the present invention is relatively traditional; there is better antibacterial effect; the sponge producing with formula of the present invention is as underwear sponge; not only ventilation property is good; even if absorbed the sweat of airborne moisture or human secretory in sponge; also be difficult for growing too much bacterium, better protected the health of human body skin.
Described isocyanic ester adopts at least one in diphenylmethanediisocyanate, tolylene diisocyanate, isophorone diisocyanate, preferred isophorone diisocyanate, isophorone diisocyanate is other isocyanic ester relatively, the sponge that isophorone diisocyanate is made has stable chemical and physical property, good anti-aging, anti-illumination, oxidation-resistance, is more suitable in making brassiere underwear.
Described urethane raw also comprises other auxiliary agents, described other auxiliary agents comprise at least one in chainextender, suds-stabilizing agent, dispersion agent, oxidation inhibitor, and described urethane raw comprises the feed composition of following weight ratio: isocyanic ester 15-45%, polyether glycol 35-65%, polymer polyatomic alcohol 15-45%, amine catalyst 0.1-0.8%, water 1.5-3.5%, silicone oil 1.0-2.5%, antiseptic-germicide 0.5-1.0%, tin 0.03-1.0%, other auxiliary agents 0.5-5.0%.
The manufacture craft of the even high air previous polyurethane material of abscess, comprise raw material mixing, raw material foaming, polyurethane sponge cutting, it is characterized in that, in raw material foaming stages, after mixing, raw material foams in input foam maker, by described foam maker, described raw mixture is sprayed in the foaming chamber that is full of nitrogen and foamed, with nitrogen, replace air and impel described raw mixture to foam.
In air, contain moisture and other impurity, when described raw mixture is foamed, easily cause the foam structure of the polyurethane sponge that is made chaotic, cell size differs, and affects the ventilation property of described polyurethane sponge.And described raw mixture is put into described foaming cavity, foam, due to only having nitrogen without other impurity in described foaming cavity, make that polyurethane sponge abscess after foaming is even, more soft, air permeable effect more.
During raw material mix stages, raw material is put into respectively to work storage tank and be uniformly mixed, and the temperature in work storage tank is controlled within the scope of 18-26 ℃, fluctuation range should be less than 1 ℃.
Described feed composition comprises isocyanic ester 15-45%, polyether glycol 35-65%, polymer polyatomic alcohol 15-45%, amine catalyst 0.05-1.0%, water 1.0-4.0%, silicone oil 0.5-2.5%, antiseptic-germicide 0.5-1.0%, tin 0.03-1.0%, other auxiliary agents 0.5-5.0%.
Described raw material mix stages adopts following technique: described feed composition is dropped in proportion and in described work storage tank, carries out high-speed stirring and mix raw mixture; During stirring, stirring velocity is 3000 ~ 6000r/min, gradable adjustment.
The raw material foaming stage adopts following technique: various raw materials are sprayed into described foaming chamber by volume pump in work storage tank, foam, during foaming, the shower nozzle of foam maker at the uniform velocity swings, raw mixture is evenly sprayed in described foaming chamber, raw mixture is evenly sprayed on the lining paper in described foaming chamber, and foamed time is controlled at 60-240 second.
The polyurethane sponge cutting stage adopts following technique: after described raw mixture foaming, by conveying belt, send, during conveying, polyurethane sponge is cut.In transportation, cut, can reduce the Production Time of described polyurethane sponge, improve make efficiency.
Beneficial effect: owing to adopting above technical scheme, the present invention utilizes nitrogen to replace air to foam to urethane raw, makes the foam structure of the polyurethane sponge after foaming neatly, evenly, ventilation property is good, avoid polyurethane sponge too sultry, reduce bacterial proliferation, safer health.
Accompanying drawing explanation
Fig. 1 is making schematic flow sheet of the present invention.
Embodiment
For technique means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
With reference to Fig. 1, the even high air previous polyurethane material produce formula of abscess, comprise urethane raw, urethane raw comprises the feed composition of following weight ratio: isocyanic ester 10-50%, polyether glycol 30-70%, polymer polyatomic alcohol 15-55%, amine catalyst 0.05-1.0%, water 1.0-4.0%, silicone oil 0.5-2.5%, whipping agent 1.0-8.0%, antiseptic-germicide 0.5-1.0%, tin 0.03-1.0%.The formula of the polyurethane sponge that the present invention is relatively traditional; there is better antibacterial effect; the sponge producing with formula of the present invention is as underwear sponge; not only ventilation property is good; even if absorbed the sweat of airborne moisture or human secretory in sponge; also be difficult for growing too much bacterium, better protected the health of human body skin.
Isocyanic ester adopts at least one in diphenylmethanediisocyanate, tolylene diisocyanate, isophorone diisocyanate, preferred isophorone diisocyanate, isophorone diisocyanate is other isocyanic ester relatively, the sponge that isophorone diisocyanate is made has stable chemical and physical property, good anti-aging, anti-illumination, oxidation-resistance, is more suitable in making brassiere underwear.
Urethane raw also comprises other auxiliary agents, other auxiliary agents comprise at least one in chainextender, suds-stabilizing agent, dispersion agent, oxidation inhibitor, and urethane raw comprises the feed composition of following weight ratio: isocyanic ester 15-45%, polyether glycol 35-65%, polymer polyatomic alcohol 15-45%, amine catalyst 0.05-1.0%, water 1.0-4.0%, silicone oil 0.5-2.5%, antiseptic-germicide 0.5-1.0%, tin 0.03-1.0%, other auxiliary agents 0.5-5.0%.
Antiseptic-germicide can adopt nanometer light catalyst, and catalyzer comprises triethylamine, pentamethyl-diethylenetriamine, N, at least one in N-dimethylcyclohexylamine, N-methyl-N-thanomin, methyl ethyl diketone zirconium, stannous octoate, triethylene diamine.
Embodiment 1:
2 parts of 10-30 part isocyanic ester, 50-65 part polyether glycol, 1 part of water, 1 part of silicone oil, 1.5 parts of whipping agents, 0.8 part of antiseptic-germicide, 0.05 part of tin, other auxiliary agents are put into work storage tank with volume pump respectively and carry out high-speed stirring, stirring velocity is 3000 ~ 6000r/min, gradable adjustment.
Devote oneself to work and carry out high-speed stirring in storage tank while mixing raw mixture, the temperature in each work storage tank is controlled within the scope of 18-20 ℃, fluctuation range should be less than 1 ℃.Raw material is sprayed in the foaming chamber that is full of nitrogen by foam maker in work storage tank, during foaming, the shower nozzle of foam maker at the uniform velocity swings, raw mixture is evenly sprayed on the lining paper laying in foaming chamber by flexible pipe, so that raw mixture foams, foamed time is controlled at 120-160 second.After foaming, the polyurethane sponge that foaming is formed, by tape transport, during conveying, cuts polyurethane sponge.
Embodiment 2:
3 parts of 31-45 part isocyanic ester, 35-45 part polyether glycol, 15-30 part polymer polyatomic alcohol, 2 parts of water, 1.5 parts of silicone oil, 5 parts of whipping agents, 1 part of antiseptic-germicide, 0.5 part of tin, other auxiliary agents are put into work storage tank with volume pump respectively, carry out high-speed stirring, stirring velocity is 3000 ~ 6000r/min, gradable adjustment.
Devote oneself to work and carry out high-speed stirring in storage tank while mixing raw mixture, the temperature in each work storage tank is controlled within the scope of 21-25 ℃, fluctuation range should be less than 1 ℃.Raw material is sprayed in the foaming chamber that is full of nitrogen by foam maker in work storage tank, during foaming, the shower nozzle of foam maker at the uniform velocity swings, raw mixture is evenly sprayed on the lining paper laying in foaming chamber by flexible pipe, so that raw mixture foams, foamed time is controlled at 161-180 second.Polyurethane sponge in foaming cavity, by tape transport, during conveying, is cut polyurethane sponge.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. the even high air previous polyurethane material produce of abscess is filled a prescription, comprise urethane raw, it is characterized in that, described urethane raw comprises the feed composition of following weight ratio: isocyanic ester 10-50%, polyether glycol 30-70%, polymer polyatomic alcohol 15-55%,, amine catalyst 0.05-1.0%, water 1.0-4.0%, silicone oil 0.5-2.5%, antiseptic-germicide 0.5-1.0%, tin 0.03-1.0%, other auxiliary agents 0.5-5.0%.
2. the even high air previous polyurethane material produce formula of abscess according to claim 1, is characterized in that: described isocyanic ester adopts at least one in diphenylmethanediisocyanate, tolylene diisocyanate, isophorone diisocyanate.
3. the even high air previous polyurethane material produce formula of abscess according to claim 2, is characterized in that: described urethane raw also comprises other auxiliary agents, and described other auxiliary agents comprise at least one in chainextender, suds-stabilizing agent, dispersion agent, oxidation inhibitor.
4. the even high air previous polyurethane material produce formula of abscess according to claim 3, is characterized in that: described urethane raw comprises the feed composition of following weight ratio: isocyanic ester 15-45%, polyether glycol 35-65%, polymer polyatomic alcohol 15-45%, amine catalyst 0.1-0.8%, water 1.5-3.5%, silicone oil 1.0-2.5%, antiseptic-germicide 0.5-1.0%, tin 0.03-1.0%, other auxiliary agents 0.5-5.0%.
5. the manufacture craft of the even high air previous polyurethane material of abscess, comprise raw material mixing, raw material foaming, polyurethane sponge cutting, it is characterized in that, in raw material foaming stages, after mixing, raw material foams in input foam maker, by described foam maker, described raw mixture is sprayed in the foaming chamber that is full of nitrogen and foamed, with nitrogen, replace air and impel described raw mixture to foam.
6. the manufacture craft of the even high air previous polyurethane material of abscess according to claim 5, it is characterized in that: during raw material mix stages, raw material is put into respectively to work storage tank and be uniformly mixed, and the temperature in work storage tank is controlled within the scope of 22-30 ℃, fluctuation range is less than 1 ℃.
7. the manufacture craft of the even high air previous polyurethane material of abscess according to claim 6, is characterized in that: described feed composition comprises isocyanic ester 15-45%, polyether glycol 35-65%, polymer polyatomic alcohol 15-45%, amine catalyst 0.05-1.0%, water 1.0-4.0%, silicone oil 0.5-2.5%, antiseptic-germicide 0.5-1.0%, tin 0.03-1.0%, other auxiliary agents 0.5-5.0%.
8. the manufacture craft of the even high air previous polyurethane material of abscess according to claim 7, is characterized in that: described raw material mix stages adopts following technique: described feed composition is dropped in proportion and in foaming mixing section, carries out high-speed stirring and mix raw mixture; During stirring, stirring velocity is 3000 ~ 6000r/min, classification adjustment.
9. the manufacture craft of the even high air previous polyurethane material of abscess according to claim 5, it is characterized in that: raw material foaming stages adopts following technique: raw mixture is sprayed into the lining paper in foaming cavity by foam maker in mixing section, during foaming, the shower nozzle of foam maker at the uniform velocity swings, raw mixture is evenly sprayed in foaming cavity, and foamed time is controlled at 120-240 second.
10. the manufacture craft of the even high air previous polyurethane material of abscess according to claim 5, it is characterized in that: the polyurethane sponge cutting stage adopts following technique: by the polyurethane sponge in foaming cavity, by tape transport, during conveying, polyurethane sponge is cut into slices.
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Cited By (25)
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|---|---|---|---|---|
| CN103908103A (en) * | 2014-04-29 | 2014-07-09 | 际诺思（厦门）轻工制品有限公司 | Polyurethane foamed sponge sofa or sponge stool |
| CN104223843A (en) * | 2014-09-23 | 2014-12-24 | 际诺思（厦门）轻工制品有限公司 | Breathable sponge mattress |
| CN104817681A (en) * | 2015-05-18 | 2015-08-05 | 瞿明访 | Water-permeable polyurethane underwear cup sponge and foaming manufacturing method thereof |
| CN105747292A (en) * | 2014-08-19 | 2016-07-13 | 株式会社世林Ttc | Soft polyurethane foam for brassiere cup having air permeability, washability and delayed discoloration, and preparation method therefor |
| CN106008915A (en) * | 2016-07-01 | 2016-10-12 | 浙江圣诺盟顾家海绵有限公司 | Photocatalyst nanometer titanium oxide antimicrobial sponge and production technology thereof |
| CN106061305A (en) * | 2014-11-25 | 2016-10-26 | 成长实业股份有限公司 | Dynamic anti-siphon sponge and manufacturing method and use thereof |
| CN106397723A (en) * | 2016-07-18 | 2017-02-15 | 潘君昂 | A nontoxic one-time-setting underwear cup formula and a manufacturing process thereof |
| CN106496492A (en) * | 2016-11-10 | 2017-03-15 | 无锡市明盛强力风机有限公司 | A kind of full water polyurethane automobile cushion foam moulding process of formulation optimization |
| CN106957408A (en) * | 2017-04-11 | 2017-07-18 | 东莞恒生高分子科技有限公司 | A kind of polyurethane sponge and its processing method |
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| CN110563911A (en) * | 2019-07-29 | 2019-12-13 | 佛山市惠安家居用品有限公司 | Antibacterial sponge and preparation method thereof |
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| CN112795176A (en) * | 2021-01-18 | 2021-05-14 | 太仓安佑无纺科技有限公司 | Preparation process of foaming section bar with antibacterial function |
| CN112876838A (en) * | 2021-01-18 | 2021-06-01 | 腾飞科技股份有限公司 | Production process of antibacterial fatty cotton |
| CN114515029A (en) * | 2022-02-16 | 2022-05-20 | 佛山市乔姿内衣辅料有限公司 | Breathable sponge bra cup underwear |
| CN115322322A (en) * | 2022-09-14 | 2022-11-11 | 浙江东洋佳嘉海绵制品有限公司 | High-air-permeability sponge and manufacturing method thereof |
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2012
- 2012-09-06 CN CN201210328139.XA patent/CN103665312A/en active Pending
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908103A (en) * | 2014-04-29 | 2014-07-09 | 际诺思（厦门）轻工制品有限公司 | Polyurethane foamed sponge sofa or sponge stool |
| CN103908103B (en) * | 2014-04-29 | 2015-08-05 | 际诺思（厦门）轻工制品有限公司 | A kind of polyurethane foam sponge sofa, sponge stool |
| CN105747292A (en) * | 2014-08-19 | 2016-07-13 | 株式会社世林Ttc | Soft polyurethane foam for brassiere cup having air permeability, washability and delayed discoloration, and preparation method therefor |
| CN104223843A (en) * | 2014-09-23 | 2014-12-24 | 际诺思（厦门）轻工制品有限公司 | Breathable sponge mattress |
| CN106061305A (en) * | 2014-11-25 | 2016-10-26 | 成长实业股份有限公司 | Dynamic anti-siphon sponge and manufacturing method and use thereof |
| CN106061305B (en) * | 2014-11-25 | 2017-05-24 | 成长实业股份有限公司 | Dynamic anti-siphon sponge and manufacturing method and use thereof |
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Address after: Fengxian District 201411 Shanghai city TAIRI Town Road No. 48 Applicant after: Shanghai Gaoyu Household Technology Co., Ltd. Address before: Fengxian District 201411 Shanghai city TAIRI Town Road No. 48 Applicant before: Shanghai Gaoyu Sponge Product Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SHANGHAI GAOYU FOAM PRODUCTS CO., LTD. TO: SHANGHAI GAOYU HOUSEHOLD TECHNOLOGY CO., LTD. |
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Application publication date: 20140326 |