WO2008071053A1 - Procédé de fabrication d'un gant composite jetable d'acrylonitrile-butadiène-polyuréthane et son utilisation - Google Patents

Procédé de fabrication d'un gant composite jetable d'acrylonitrile-butadiène-polyuréthane et son utilisation Download PDF

Info

Publication number
WO2008071053A1
WO2008071053A1 PCT/CN2007/002152 CN2007002152W WO2008071053A1 WO 2008071053 A1 WO2008071053 A1 WO 2008071053A1 CN 2007002152 W CN2007002152 W CN 2007002152W WO 2008071053 A1 WO2008071053 A1 WO 2008071053A1
Authority
WO
WIPO (PCT)
Prior art keywords
nitrile rubber
glove
polyurethane
seconds
disposable
Prior art date
Application number
PCT/CN2007/002152
Other languages
English (en)
Chinese (zh)
Inventor
Donghua Wan
Original Assignee
Tianjin Greencoat Polymer Material Tech._Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Greencoat Polymer Material Tech._Co., Ltd. filed Critical Tianjin Greencoat Polymer Material Tech._Co., Ltd.
Publication of WO2008071053A1 publication Critical patent/WO2008071053A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/14—Dipping a core
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B42/00—Surgical gloves; Finger-stalls specially adapted for surgery; Devices for handling or treatment thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/22—Making multilayered or multicoloured articles

Definitions

  • the invention relates to a method for manufacturing a disposable nitrile rubber-polyurethane composite glove, in particular to a thin disposable nitrile rubber-polyurethane having a thickness of 0. 09 mm or less and a total weight of the glove of 5 to 10%.
  • the method of manufacturing a composite glove is used.
  • the disposable gloves used mainly include PVC gloves, natural rubber gloves, nitrile rubber gloves and polyurethane gloves.
  • PVC gloves are inexpensive, but they are poorly protected, especially causing "white trash" problems to the environment.
  • Nitrile rubber gloves are well received by people because of their good oil and weather resistance, good resistance to pathogens, and moderate price.
  • the fly in the ointment is that the nitrile rubber gloves have a large modulus at low elongation, and the opponent's bondage is large, and it is easy to wear fatigue.
  • the nitrile rubber gloves have poor breathability and moisture permeability, and it is easy to damage the skin of the hands for a long time.
  • Polyurethane gloves not only have the advantages of good oil and weather resistance, good anti-bacterial permeability, but also good breathability and moisture permeability.
  • the nitrile rubber gloves have not replaced the nitrile rubber gloves. Preferred.
  • the technical problem to be solved by the present invention is to provide an improved polyurethane (PU) film attached to the outer surface of a nitrile rubber (NBR) base film, which is simple in process, oil resistant and weather resistant, resistant to bacteria, and breathable.
  • PU polyurethane
  • NBR nitrile rubber
  • the technical solution adopted by the present invention is: a manufacturing method of a disposable nitrile rubber-polyurethane composite glove, which comprises the following steps in sequence:
  • step B Immersing the nitrile rubber glove prepared in step A into water having low modulus properties at low elongation Polyurethane emulsion, followed by baking, crimping, vulcanization;
  • step B The gloves prepared in step B are immersed in a water-repellent polyurethane emulsion with lubricating effect, dried, then leached, dried, demolded and re-vulcanized to obtain a nitrile rubber-polyurethane composite glove.
  • the disposable nitrile rubber-polyurethane composite glove is manufactured by using a continuous production line, first forming a layer of nitrile rubber base film on the mold, and then dip coating the aqueous polyurethane emulsion on the outer surface of the nitrile rubber base film.
  • the polyurethane film is formed, and the ratio of the polyurethane to the total weight of the glove is 3 to: L5%.
  • the obtained disposable nitrile rubber-polyurethane composite glove has a stress of not more than 1 Newton at an elongation of 100%. .,
  • the film formed by the low-expansion low modulus performance aqueous polyurethane emulsion has a tensile strength of not more than 5 MPA at an elongation of 100%.
  • the low-expansion low modulus performance aqueous polyurethane emulsion forms a film having a low initial modulus, a full elastic stretch, and yielding.
  • the aqueous polyurethane emulsion having low modulus performance at low elongation is a water-based polyurethane emulsion having a concentration of 2 to 8%, a pH of 9, and diluted with deionized water, and the dip coating time of the nitrile rubber glove is 6 ⁇ 30 seconds.
  • the lubricating aqueous polyurethane emulsion is a silicone-grafted aqueous polyurethane emulsion.
  • the silicone-grafted aqueous polyurethane emulsion is a water-based polyurethane emulsion having a concentration of 5%, a pH of 7 to 9, and diluted with deionized water.
  • the nitrile rubber glove has a dip coating time of 6 to 30 seconds.
  • a method for manufacturing a disposable nitrile rubber-polyurethane composite glove which comprises the following steps in sequence:
  • the nitrile rubber glove prepared in step A is immersed in a water-based polyurethane emulsion having a low modulus of low modulus at a low elongation of 6 to 8 seconds at a concentration of 2 to 8% and a temperature of not higher than 50 ° C. ;
  • the gloves prepared in step B were dried at 10 (Tl3 (rC oven 6) (rolled for 70 seconds, then vulcanized in 11 ( ⁇ 130 ⁇ oven for 15 to 20 minutes;
  • step C The glove prepared in step C is immersed in a lubricating polyurethane emulsion having a concentration of 5% and a temperature of not more than 50 6 for 6-8 seconds;
  • the gloves prepared in step D are dried in 11 (T13 (TC oven) for 2 ⁇ 5 minutes, then leached in water at 70 ⁇ 80 °C for 60 ⁇ 70 seconds, supplemented with water 40CT600KG/H;
  • step E The gloves prepared in step E were dried, demolded, and then subjected to 5 (T80 ° C, 1 (15 minutes of secondary vulcanization, packaging to obtain a disposable nitrile rubber-polyurethane composite glove).
  • a disposable nitrile rubber-polyurethane composite glove prepared by the method of claim 1 or 8 for use in an industrial, household or medical hand.
  • the improved polyurethane (PU) film of the present invention is based on the high breaking strength and high elongation at break of the conventional polyurethane (PU) material, and reduces the modulus at low elongation (100 to 200%).
  • the thickness of the improved polyurethane (PU) film of the present invention is 0. 0045 ⁇ 0.
  • polyurethane (PU) NBR-PU compound glove which accounts for 5 ⁇ 10% of the total weight of the glove, making full use of polyurethane (PU) material with high breaking strength
  • the elongation at break characteristic enhances the overall glove, the thickness of the glove is reduced, the wearing strength is not decreased, and the restraint of the opponent during wear and the manufacturing cost are reduced, which has good application and economic significance.
  • the method for manufacturing the BR-PU composite glove of the present invention adopts the first immersion of nitrile latex, followed by immersion through an aqueous polyurethane emulsion which is specially modified to have a low modulus function at a low elongation, and finally the immersion is improved and lubricated.
  • the function of the waterborne polyurethane emulsion equivalent to three times of dip coating, has a very low air leakage rate compared to other disposable nitrile rubber gloves manufacturing processes.
  • FIG. 1 is a process for manufacturing a disposable nitrile rubber-polyurethane composite glove of the present invention Flow chart.
  • Figure 2 is a comparison of the modified polyurethane and conventional polyurethane tensile curves, A: stress-strain curve of ordinary PU, B: stress-strain curve of improved PU.
  • Figure 3 is a comparison of stress-strain curves of a NBR-PU composite glove having a palm thickness of 0.11 ram and a thickness of the palm of the present invention of 0. 08 mm, polyurethane (PU), and a total weight of 5.44% of the glove.
  • the tensile strength of the palm of the hand is 0. 08 mm
  • the polyurethane (PU) is 5.44% of the total weight of the glove
  • the tensile curve of the NBR-PU composite glove and the thickness of the palm of the hand.
  • Figure 4 is a comparison of the stress-strain curves of the NBR-PU composite gloves with a palm thickness of 0.11 mm nitrile rubber gloves and a palm thickness of 0.08 mm and a polyurethane (PU) weight of 5.44%.
  • the manufacturing method of the disposable nitrile rubber-polyurethane composite glove of the present invention comprises the following steps in sequence -
  • step B Immerse the nitrile rubber glove prepared in step A into an aqueous polyurethane emulsion with low modulus properties at low elongation, and then dry, crimp, and vulcanize.
  • step B The gloves prepared in step B are immersed in a water-repellent polyurethane emulsion with lubricating effect, dried, then leached, dried, demolded and re-vulcanized to obtain a nitrile rubber-polyurethane composite glove.
  • the disposable nitrile rubber-polyurethane composite glove is manufactured by using a continuous production line, first forming a layer of nitrile rubber base film on the mold, and then dip coating the aqueous polyurethane emulsion on the outer surface of the nitrile rubber base film.
  • the polyurethane film is formed, and the ratio of the polyurethane to the total weight of the glove is 3 to 15%.
  • the disposable nitrile rubber-polyurethane composite glove produced has a stress of not more than 1 Newton at an elongation of 100%.
  • the film formed by the low-expansion low modulus performance aqueous polyurethane emulsion has a tensile strength of not more than 5 MPA at an elongation of 100%.
  • the low-expansion low modulus performance aqueous polyurethane emulsion forms a film having a low initial modulus, a full elastic stretch, and yielding.
  • the traditional aqueous polyurethane emulsion forms a film with a high initial modulus and cannot be fully elastically stretched without yielding.
  • the aqueous polyurethane emulsion having low modulus properties at low elongation is at a concentration of 2 to 8%, PH A wide range of values, an aqueous polyurethane emulsion diluted with deionized water, and a nitrile rubber glove in which the dip coating time is 6 to 30 seconds.
  • the lubricating aqueous polyurethane emulsion is a silicone-grafted aqueous polyurethane emulsion.
  • the silicone-grafted aqueous polyurethane emulsion is a water-based polyurethane emulsion having a concentration of 5%, a pH of 7 to 9, and diluted with deionized water, and the nitrile rubber glove has a dip coating time of 6 to 30 seconds.
  • the disposable nitrile rubber-polyurethane composite gloves prepared by the method of the present invention are used in industrial, household or medical gloves.
  • Zinc Oxide 15. 48 Kg
  • Titanium Dioxide 25. 8 Kg
  • Dispersing agent 4..13 Kg
  • the above materials are added to the ball mill for grinding for 48 to 72 hours, and the fineness is controlled to be less than 10 mesh.
  • coagulant preparation 230Kg of calcium nitrate was diluted with 770Kg of deionized water, and 1Kg of wetting agent Demol EP (Japan Kao) was added, stirred evenly and placed in the coagulant tank of the production line.
  • Demol EP Japan Kao
  • the nitrile glove finishing agent B3301 produced by Tianjin Boyuan High-tech Materials Co., Ltd. (the main component is: 20% of hydroxy silicone oil and a total of 80% of TDI and polyethylene glycol are synthesized by emulsion polymerization. Silicon grafted aqueous polyurethane emulsion).
  • the production process is continuously operated by a rail production line.
  • the main steps are as follows.
  • A wash the mold. Pickling, acid tank PH value 0-4. Alkaline washing, alkali tank PH value 9-13. Wash with hot water, temperature 50- 80 ° C, water supply 200-600Kg / H.
  • H An aqueous polyurethane emulsion having a low modulus performance compared to conventional polyurethane (PU) at low elongation.
  • the temperature of the feed liquid is 50 ° C, and the immersion time is 6-8 seconds.
  • Zinc Oxide 15. 48 Kg
  • Titanium Dioxide 25. 8 Kg
  • Dispersing agent 4..13 Kg
  • the above materials were added to a ball mill for grinding for 48 to 72 hours, and the fineness was controlled to be less than 10 mesh.
  • coagulant preparation Diluted 250K g of calcium nitrate with 750Kg of deionized water, and added 1Kg of wetting agent Demol EP (Japanese Kao), stir well and put it into the coagulant tank of the production line.
  • Demol EP Japanese Kao
  • the nitrile glove finishing agent B3301 produced by Tianjin Boyuan High-tech Materials Co., Ltd. (the main component is: 20% of hydroxy silicone oil and a total of 80% of TDI and polyethylene glycol are synthesized by emulsion polymerization. Silicon grafted aqueous polyurethane emulsion).
  • Zinc Oxide 15. 48 Kg
  • Titanium Dioxide 25. 8 Kg
  • Dispersing agent 4. 13 Kg
  • the above materials were added to a ball mill for grinding for 48 to 72 hours, and the fineness was controlled to be less than 10 mesh.
  • Demol EP Japanese flower king
  • nitrile glove finishing agent B3306 produced by Tianjin Boyuan High-tech Materials Co., Ltd. (the main components are: 25% 'TDI, 75% polyester diol and polyether diol and 5% auxiliary)
  • An aqueous polyurethane emulsion having a lower modulus performance than conventional polyurethane (PU) at low elongation is synthesized by emulsion polymerization)
  • the nitrile glove finishing agent B3301 produced by Tianjin Boyuan High-tech Materials Co., Ltd. (the main component is: 20% of hydroxy silicone oil and a total of 80% of TDI and polyethylene glycol are synthesized by emulsion polymerization. Silicon grafted aqueous polyurethane emulsion).
  • NBR-PU composite gloves made according to Examples 1, 2, and 3 are shown in the following table.
  • FIG. 2 A comparison of the modified polyurethane (PU) and conventional polyurethane (PU) tensile curves is shown in Figure 2. Palm thickness 0. 11 mm nitrile rubber gloves and palm thickness 0. 08 mm, polyurethane (PU) 5.44% of the total weight of the gloves NBR-PU composite gloves stress-strain curve comparison shown in Figure 3 and Figure 4. It can be seen from Fig. 2 that the improved polyurethane (PU) has no rapid increase in stress at low elongation. It can be seen from Fig. 3 that the breaking strength ( ⁇ ) of the NBR-PU' composite glove of the present invention is substantially equivalent to that of the nitrile rubber glove, and conforms to the ASTM standard. However, it can be seen from Fig.
  • the NBR-PU composite glove of the present invention has a tensile strength significantly lower than that of the nitrile rubber glove at an elongation of 10 ( ⁇ 150%), which indicates that the binding force of the opponent during the wearing process is remarkably lowered.
  • the disposable nitrile rubber (NBR)-polyurethane (PU) composite glove of the present invention refers to an additional polyurethane film adhered to the outer surface of the nitrile rubber base film, and the base frame of the nitrile rubber base film is used as the main skeleton of the glove. , with a modified polyurethane film as the wearing surface.
  • the BR-PU composite glove of the invention not only retains the good oil and weather resistance of the nitrile rubber, has good antibacterial permeability and suitable price, but also has the unique breathable and moisture permeable function of the polyurethane (PU), and needs to be pointed out that it is improved.
  • Polyurethane (PU) not only retains the high breaking strength and high elongation at break of polyurethane (PU), but also has a low modulus at low elongation, which reduces the restraint of the opponent during wear.
  • the thickness of the glove is 0.99.
  • the following is a thin NBR-PU compound glove with a polyurethane (PU) weight of 5 to 10% of the total weight of the glove.
  • the production cost is lower than that of the conventional nitrile rubber glove. More and more people accept, 'the market has great potential.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Gloves (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un gant composite jetable d'acrylonitrile-butadiène-polyuréthane et son utilisation. Le procédé englobe les opérations suivantes. Sur une chaîne en continu, formation dans un premier temps d'un film-substrat d'acrylonitrile-butadiène sur une forme; et immersion de cette forme dans un latex de polyuréthane hydrosoluble en vue de former un film de polyuréthane sur l'extérieur du film-substrat d'acrylonitrile-butadiène. Le polyuréthane représente de 3 à 15 % du poids total du gant.
PCT/CN2007/002152 2006-12-15 2007-07-13 Procédé de fabrication d'un gant composite jetable d'acrylonitrile-butadiène-polyuréthane et son utilisation WO2008071053A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2006101302095A CN100513118C (zh) 2006-12-15 2006-12-15 一次性丁腈橡胶-聚氨酯复合手套的制造方法及其用途
CN200610130209.5 2006-12-15

Publications (1)

Publication Number Publication Date
WO2008071053A1 true WO2008071053A1 (fr) 2008-06-19

Family

ID=38702656

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/002152 WO2008071053A1 (fr) 2006-12-15 2007-07-13 Procédé de fabrication d'un gant composite jetable d'acrylonitrile-butadiène-polyuréthane et son utilisation

Country Status (2)

Country Link
CN (1) CN100513118C (fr)
WO (1) WO2008071053A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113492480A (zh) * 2021-07-01 2021-10-12 东台市华亿手套有限公司 一种丁腈手套凝固剂合成工艺
CN113999440A (zh) * 2021-10-22 2022-02-01 南京瑞润新材料科技有限公司 一种弹性强、防破损的医用乳胶手套制作方法
CN115521517A (zh) * 2022-09-27 2022-12-27 浙江康隆达特种防护科技股份有限公司 一种再生橡胶材料的功能化改性及其在安全手套中的应用
CN115521606A (zh) * 2022-09-29 2022-12-27 广东金发科技有限公司 一种聚氨酯组合物、丁腈手套及其制备方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101347272A (zh) * 2008-08-22 2009-01-21 桂林乳胶厂 丁腈与天然橡胶复合光里家用手套
CN101347271A (zh) * 2008-08-22 2009-01-21 桂林乳胶厂 丁腈与天然橡胶复合绒里家用手套
CN102641004B (zh) * 2012-05-12 2013-10-16 蔡瑞琳 一种植绒乳胶手套及其生产方法
CN102825699A (zh) * 2012-09-14 2012-12-19 江苏尤佳手套有限公司 一次性4g高弹手套加工工艺
CN104738838B (zh) * 2013-12-25 2018-04-06 南通强生安全防护科技股份有限公司 水性pu涂层手套生产方法
CN103976490B (zh) * 2014-04-14 2016-01-20 山东星宇手套有限公司 一种丁腈耐磨浸胶手套的制备方法
CN106894239A (zh) * 2017-03-16 2017-06-27 江苏工程职业技术学院 一种锦纶荧光黄乳胶手套浸胶时防褪色的方法
CN109354731A (zh) * 2018-09-23 2019-02-19 南通嘉得利安全用品有限公司 一种抗静电防护手套及其制备方法
CN112812261B (zh) * 2020-12-30 2022-08-19 广东金发科技有限公司 一种水性聚氨酯乳液、丁腈橡胶-聚氨酯复合手套及其制备方法
CN113057395A (zh) * 2021-03-09 2021-07-02 牛剑科技有限公司 一种水性聚氨酯高弹力丁腈手套

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1195607A (zh) * 1997-04-04 1998-10-14 上海佳旺工业有限公司 一种无粉尘pvc树胶手套的二次浸渍法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1195607A (zh) * 1997-04-04 1998-10-14 上海佳旺工业有限公司 一种无粉尘pvc树胶手套的二次浸渍法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GENG J. ET AL.: "The dipping-condition of the PU latex influence on the performance of powder-free carboxylated acrylonitrile-butadiene latex examination gloves", CHINA RUBBER INDUSTRY, vol. 51, no. 9, September 2004 (2004-09-01), pages 555 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113492480A (zh) * 2021-07-01 2021-10-12 东台市华亿手套有限公司 一种丁腈手套凝固剂合成工艺
CN113999440A (zh) * 2021-10-22 2022-02-01 南京瑞润新材料科技有限公司 一种弹性强、防破损的医用乳胶手套制作方法
CN115521517A (zh) * 2022-09-27 2022-12-27 浙江康隆达特种防护科技股份有限公司 一种再生橡胶材料的功能化改性及其在安全手套中的应用
CN115521517B (zh) * 2022-09-27 2023-09-08 浙江康隆达特种防护科技股份有限公司 一种再生橡胶材料的功能化改性及其在安全手套中的应用
CN115521606A (zh) * 2022-09-29 2022-12-27 广东金发科技有限公司 一种聚氨酯组合物、丁腈手套及其制备方法
CN115521606B (zh) * 2022-09-29 2023-10-31 广东金发科技有限公司 一种聚氨酯组合物、丁腈手套及其制备方法

Also Published As

Publication number Publication date
CN101003165A (zh) 2007-07-25
CN100513118C (zh) 2009-07-15

Similar Documents

Publication Publication Date Title
WO2008071053A1 (fr) Procédé de fabrication d'un gant composite jetable d'acrylonitrile-butadiène-polyuréthane et son utilisation
WO2008017230A1 (fr) Procédé de fabrication d'un gant en caoutchouc acrylonitrile-butadiène fonctionnel
US5534350A (en) Powerfree glove and its making method
CA2529392C (fr) Revetement a surface a reliefs pour gants et son procede de fabrication
CA2677482C (fr) Revetement de gant et procede de fabrication
US20150374052A1 (en) Glove having durable ultra-thin polymeric coating
CN101268135A (zh) 弹性体膜和手套
CN108384078B (zh) 一种导电防护胶质手套的制备方法
CN110372893B (zh) 一种丁腈手套及其制备方法
CN102936359A (zh) 一种环保型避孕套的制备方法
CN114479629A (zh) 一种用于手套的浸渍涂料及制备丁腈橡胶-涂层复合手套的方法
US20110229668A1 (en) Modified natural rubber latex and products manufactured from the same
KR20210038710A (ko) 딥 성형용 조성물, 장갑의 제조 방법 및 장갑
CN104480734A (zh) 一种防腐蚀聚氨酯合成革及其生产方法
CN104726001A (zh) 一种皮革表面处理剂
CN102975321B (zh) 一种采用聚异戊二烯胶乳制备避孕套的方法
CN104418994A (zh) 一种用于真皮表面处理的涂料
CN108215031A (zh) 一种丁腈尼龙衬里手套的制备工艺
CN100563982C (zh) 丁腈橡胶医用手套的制造方法
CN110693114A (zh) 一种手套的制造方法及手套
CN114766766A (zh) 一种丁腈手套及其制备方法
CN109880190B (zh) 一种异型避孕套的生产方法
CN113306249A (zh) 一种水性涂层pvc人造革及其制备方法
KR101679532B1 (ko) 장갑용 코팅 조성물, 이를 코팅한 장갑, 및 이를 이용한 장갑 코팅 방법
CN105348818A (zh) 一种采用丝素蛋白与石墨烯混合制备避孕套的方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07764054

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC AS PER OUR COMMUNICATION DATED 24.08.09 (EPO FORM 1205A)

122 Ep: pct application non-entry in european phase

Ref document number: 07764054

Country of ref document: EP

Kind code of ref document: A1