WO2010103351A1 - Article élastomère présentant une couche interne spéciale absorbant l'humidité - Google Patents

Article élastomère présentant une couche interne spéciale absorbant l'humidité Download PDF

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Publication number
WO2010103351A1
WO2010103351A1 PCT/IB2009/053126 IB2009053126W WO2010103351A1 WO 2010103351 A1 WO2010103351 A1 WO 2010103351A1 IB 2009053126 W IB2009053126 W IB 2009053126W WO 2010103351 A1 WO2010103351 A1 WO 2010103351A1
Authority
WO
WIPO (PCT)
Prior art keywords
glove
layer
latex
macromolecular material
polysaccharide macromolecular
Prior art date
Application number
PCT/IB2009/053126
Other languages
English (en)
Inventor
Deepthika De Silva
Lakshman Nethsinghe
Sunil Fernando
Original Assignee
Dipped Products Plc
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 Dipped Products Plc filed Critical Dipped Products Plc
Publication of WO2010103351A1 publication Critical patent/WO2010103351A1/fr

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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
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/12—Hygroscopic; Water retaining
    • A41D31/125—Moisture handling or wicking function through layered materials
    • 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
    • B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
    • 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
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/0055—Plastic or rubber gloves
    • A41D19/0058—Three-dimensional gloves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2005/00—Use of polysaccharides or derivatives as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2031/00—Use of polyvinylesters or derivatives thereof as moulding material
    • B29K2031/04—Polymers of vinyl acetate, e.g. PVAc, i.e. polyvinyl acetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • B29K2033/08—Polymers of acrylic acid esters, e.g. PMA, i.e. polymethylacrylate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4842—Outerwear
    • B29L2031/4864—Gloves

Definitions

  • This invention relates specifically to an elastomeric glove made where the first layer
  • outer layer as worn is composed of an accelerator free nitrile elastomer and the inner layer is capable of absorbing moisture and there by sweat when the glove is worn.
  • the inner layer is composed of a mixture of polyacylates together with a polysaccharide macromolecular material evenly distributed therein. The moisture ab- sorbance capability is due to this polysaccharide macromolecular material.
  • the glove may be flock lined or unlined and is made using conventional dipping technology.
  • the polyacrylate mixture is applied to the product as the last dip prior to application of the flock.
  • the polyacrylate mixture is the last dip prior to curing.
  • elastomers also be used as the layer lof the glove. These include, natural rubber, neoprene rubber , styrene butadiene rubber of combinations there of.
  • Household gloves are widely used in numerous domestic applications such as kitchen work, cleaning, gardening, light assembly, plant maintenance, janitorial applications, waste collection etc. The gloves are also used in the food processing industry and pharmaceutical industry.
  • US patent no: US20080034467A1 refers to an elastomeric flexible article with absorbent polymer and manufacturing method. The patent refers in particular to gloves.
  • the moisture absorbing characteristics are realized by having an inner elastomeric layer containing a superabsorbent material in particular a superabsorbent polymer selected from a group of synthesized polymers such as polyacrylamide, polyacrylate, polyacrylic acid and related copolymers and starch (or cellulose) graft acrylonitrile (or epoxy chloro propane vinylacetate) copolymers or terpolymers.
  • a superabsorbent polymer selected from a group of synthesized polymers such as polyacrylamide, polyacrylate, polyacrylic acid and related copolymers and starch (or cellulose) graft acrylonitrile (or epoxy chloro propane vinylacetate) copolymers or terpolymers.
  • Another patent PCT/ US2004/010499 refers to a method of making an elastomeric article including preparing a non-woven fibrous polymer composition for dip-coating onto a layer of carboxylated acrylonitrile-butadiene elasto
  • the present invention refers to conferment of moisture absorbing property by having an inner layer in the glove composed of a mixture of polyacylates together with a polysaccharide macromolecular material evenly distributed therein either as a neat film or dispersed in an elastomeric layer.
  • the polysaccharide macromolecular material is mixed in with the pollyacrylate material as a solution and not grafted onto any polymer backbone per se.
  • the present invention is directed to a multi layered glove wherein the interior surface of the glove has the ability of absorb sweat on the skin when the glove is worn.
  • the method comprises forming a first elastomeric material layer which in itself may be multilayered This first layer may be composed of several layers which may be of different elastomers and/or colours.
  • the second layer, the second layer is the moisture absorbing layer and is composed of an acrylic matrix in which a polysaccharide macromolecular material is dispersed uniformly either as a neat film or dispersed in an elastomeric layer.
  • the third layer is a coating of flock of the fibrous form which although is not its prime purpose has the ability to absorb and transfer sweat to the second layer.
  • the third layer is not necessary for the moisture absorbing capability function.
  • the second layer itself has this function and when next to the skin will absorb moisture layer. In the absence of the third layer, the glove would be unlined.
  • Figs. 1 depicts a skecth of the glove showing the make up layers.
  • the layer marked 1 is the innermostt layer of polyacrylate matrix containing polysaccharide macromolecular material either as a neat film or dispersed in an elastomeric layer.
  • the layer marked 2 is the middle layer of flock(optional) of cotton etc..
  • the layer marked 3 is the outtermost layer composed of an accelarator free nitrile elastomer.
  • Other typres of elastomers which it may be composed include, natural rubber, nitrile rubber, neoprine rubber, styrene butadiene rubber or combinations thereof.
  • the present invention provides a glove which is capable of absorbing moisture on hand (in the form of sweat) when the glove is worn, hence providing more comfort to the wearer.
  • glove has three layers.
  • the first layer has three layers. The first layer
  • the second layer is the coating and the third layer may be cotton flock.
  • the first layer is the outer most layer to the skin when the glove is worn and the second layer will be the middle layer and the third layer will be the inner most layer closest to the skin when the glove is worn.
  • the second layer and the third layer have independent as well as synergistic mechanisms to absorb moisture (sweat) from the hand, when the glove is worn.
  • the synergistic mechanism includes absorbing excess moisture on the hand from the third layer and transferring this absorbed moisture to the second layer, there fore maintaining a relatively dry interior glove surface. When the glove is removed, this mechanism reverses. For example, the stored moisture in the second layer is transferred to the third layer, which will be evaporated to the environment from the third layer. This mechanism operates according to the osmotic gradient.
  • the second layer and the third layer have the ability to absorb excess moisture on hand when the glove is worn independently. The ultimate result of this absorption of excess moisture on the hand will be a relatively dry comfortable feeling to the wearer when the glove is worn.
  • the third layer is not necessary for the moisture absorbing capability function. The second layer itself has this function and when next to the skin will absorb moisture layer
  • the elastomer composing the first layer is accelerator free (accelerator free nitrile latex based).
  • an accelerator free latex e.g. accelerator free nitrile latex
  • the glove allows the glove to be free of type I and type IV allergens.
  • the glove is made from at least three layers, the first layer, the second layer, and the third layer .
  • the first layer is made as a single layer of fluid impermeable polymeric material that can act as a barrier to help protect the user's hand from infectious agents and mechanical risks. It is preferably made, but not limited to nitrile (acrylonitrile butadiene rubber), carboxylated nitrile, polyurethane, styrene butadiene rubber, polychloroprene rubber, synthetic poly- isoprene rubber, polybutadiene rubber and the blends of the above mentioned rubbers.
  • nitrile acrylonitrile butadiene rubber
  • carboxylated nitrile polyurethane
  • styrene butadiene rubber polychloroprene rubber
  • synthetic poly- isoprene rubber polybutadiene rubber and the blends of the above mentioned rubbers.
  • the second layer which is capable of absorbing excess moisture through osmotic gradient, , so that, it can absorb excess moisture on the hand, when the glove is worn.
  • this said layer is composed of a mixture of polyacrylates either as a neat film or dispersed in an elastomer which could include materials of the type poly acrylic acid, poly acrylate salts, polymethacrylate, poly vinyl acetate, and esters of the afore mentioned materials.
  • a moisture absorbing material which is dispersed uniformly throughout the matrix. This moisture absorbing material is highly absorbent polysaccharide macromolecular material. Due to the presence of this material evenly through out the second layer, when the glove is worn, this layer has the ability to uniformly absorb moisture (sweat) from the hand directly as well as accept and store moisture transferred via the third layer, thus keeping the inner surface of the glove relatively comfortable.
  • the preferred embodiment of the present invention is a glove where in the moisture absorbing material in the above said second layer is a polysaccharide macromolecular material and preferably carboxy methyl cellulose or any derivative there of.
  • the absorption mechanism of this cellulose material is based on the fact that the macromolecular chain contains a plurality of anionic carboxyl and hydroxyl groups, which make it possible for the polymer to by means of osmotic forces absorb aqueous liquids by making hydrogen bonds with water molecules.
  • Other materials having similar structural adaptations to make hydrogen bonds with water may also be used in place of the polysaccharide macromolecular material. These include gelatins, starch, dextrins, polyvinyl alcohols, hydrophilic macro/nano clays and hydro gel materials.
  • the said polysaccharide macromolecular material is added as a solution to a solution of the polyacrylates which constitute the rest of the matrix of the moisture absorbing layer during the preparation of the material mixture which constitutes the second later of the glove when the film is a neat acrylic layer.
  • the second lay can also be composed of the afore mentioned materials (polysaccharide macromolecular material plus acrylics solution dispersed in latex.
  • the latex is composed of the same material described in clause 0011.
  • any competent method can be used. For example dipping processes and spraying processes.
  • a former on which the first layer (elastomeric layer;) has been coated is dipped into a solution which contains polysaccharide macromolecular material evenly distributed in a mixture of polyacrylates.
  • a latex composition which contains the solution which contains the polysaccharide macromolecular material/ polyacrylates mixture .
  • the former is withdrawn from this solution and dried.
  • the film so formed on the first layer constitutes the moisture absorbing second layer of the glove.
  • first layer need not be totally dry or vulcanisd. It can merely consist of gelled film of the latex elastomer.
  • Embodiments of the present invention include a glove which has a second layer containing the polysaccharide macromolecular material which is dispersed homogeneously through out this layer .
  • the amount of the polysaccharide macromolecular material in the second layer is from about 0.085% by weight to 2% by weight of the total dry weight of this said second layer of the glove and is preferably utilized at a dose of 1%
  • Embodiments of the present invention have a cellulose derivative in the second layer.
  • Embodiments of the present invention include a third layer, which is composed of flock.
  • Flock is defined as shortly cut or milled textile fibres.
  • the second layer acts as the adhesive for the flock layer.
  • the primary purpose of the flock is to enable donning, however it is also capable of absorbing sweat and transmitting it to the moisture absorbing second layer, therefore may serve to increase the effectiveness of moisture absorbance capability of the glove described in this invention.
  • the flock used for the present invention may be composed of either natural materials such as cotton, wool, cellulose, or synthetic materials such as rayon, nylon, polyester etc. and combinations of these. It is commercially available material, used widely in the glove manufacturing dipping industry. The colour of the flock is immaterial. White or colored flock can be used.
  • the flock is applied by conventional methodology ,well known in the art of dipped glove manufacture . It is applied to the glove over the second dip layer via spraying using electrostatic or any non-electrostatic conventional mechanism. Flock may be either non activated or activated chemically or physically.
  • the fundamental method of preparing the glove according to the present invention comprises following sequence.
  • a clean glove former/mold having the form of a human hand is dried and heated to the appropriate temperature, preferably a temperature between 45 0 C to 65 0 C, using any competent method. For example, any conventional method like oven, radiation etc.
  • the heated former is dipped in to the powder free coagulant (PFC), which is then partially dried using any competent method.
  • PFC powder free coagulant
  • any conventional method like oven, radiation, fan, air etc.
  • the first layer which will be the outer most layer when the glove is worn is formed on this former using any competent method, preferably by dipping the former in to a tank which is consisting the compound relevant to the first layer, and an example formulation for this compound is given in the table 2.
  • This example formulation is merely an example, and it would be apparent to those of ordinary skill in the art of the latex industry, that the example formulation can be changed, even dramatically in some cases, and still embody the various embodiments of the present invention.
  • many ingredients in the table are merely optional ingredients or particular embodiments or examples of classes of ingredients.
  • the ingredients such as colorant, odorant, latex stabilizers are optional ingredients.
  • the quantities or quantity ranges may vary according to the process /plant in which the glove is manufactured..
  • the first layer is a single, continuous, film which confers the desired barrier properties for the glove.
  • Table 2 An example formulation for the compound for 1 st layer [37]
  • the former with the formed first layer is leached in water, preferably having temperature between 45 0 C to 7O 0 C.
  • the temperature, duration, and other leaching parameters may be changed according to the process/plant on which the product is manufactured.
  • the former with the so formed first layer is dried using any competent method, for example using fans, radiation, oven.
  • the second layer coated onto the first later by any competent method for example by employing a dipping proceor by a spraying process.
  • the glove former which contains already formed first layer, is dipped in to a solution of acrylic polymer and the polysaccharide macromolecular material.
  • a latex composition which contains the solution which contains the polysaccharide macromolecular material/ polyacrylates mixture . Then the former is withdrawn from this solution after depositing a continuous second layer containing super absorbent polymer.
  • a solution which contains super absorbent polymer is spayed by means of a suitable spaying mechanism to form a continuous layer of the solution containing super absorbent polymer on the glove former having already formed first layer.
  • Table 3 An example formulation when 2 nd layer is composed only of the poly- acrylate/polysacaride mactomolecullar mixture. [42] [Table 4] [Table ]
  • Table4 An example formulation when 2 nd layer is composed of the poly aery late/ polys acaride mactomolecullar mixture in latex [44] Thereafter, the third layer, is applied on the second layer using any competent method known in the industry for example spraying on to the second layer. [45] The former with the 3 layers is sent to the drying and curing oven directly without leaching.
  • the former with the formed 3 layers is dried/cured for about 40 minutes at 13O 0 C and stripped off from the former. After oven curing, post cure leaching may be given.
  • the stripped gloves may be given any finishing treatment such as washing, chlo- rination, silicone spraying etc. such as that normally used in the glove manufacturing industry and the gloves are dried using any competent method, for example tumble drying.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Gloves (AREA)

Abstract

L'invention porte sur un gant élastomère ayant deux couches ou plus, la couche interne étant une couche absorbant l'humidité. L'invention porte également sur un procédé de fabrication de cet article. La couche interne est composée d'un mélange de polyacrylates associés à une matière polysaccharidique macromoléculaire qui a la capacité d'absorber de manière efficace l'humidité et de ce fait la sueur lorsque le gant est porté. Par conséquent, le porteur de ce gant éprouvera un niveau de confort supérieur à celui d'un gant classique. Le gant peut être un gant de ménage/gant industriel ou un gant médical. Son épaisseur peut aller de l'épaisseur d'un gant d'examen à l'épaisseur d'un gant industriel très résistant. Il peut être non doublé ou pourvu d'une doublure ouatée. La composition de la couche externe du gant est élastomère et peut être un caoutchouc nitrile, un caoutchouc naturel, un caoutchouc néoprène, un caoutchouc styrène-butadiène ou des combinaisons de ceux-ci. Ces couches externes peuvent être vulcanisées à l'aide des formulations de vulcanisation standards composées de formulations de soufre/accélérateur/oxyde de zinc ou elles peuvent également être composées d'une composition de caoutchouc exempte d'accélérateur, telle qu'un latex de nitrile exempt d'accélérateur.
PCT/IB2009/053126 2009-03-12 2009-07-20 Article élastomère présentant une couche interne spéciale absorbant l'humidité WO2010103351A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LKLK/P/1/15322 2009-03-12
LK11532209 2009-03-12

Publications (1)

Publication Number Publication Date
WO2010103351A1 true WO2010103351A1 (fr) 2010-09-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102641004A (zh) * 2012-05-12 2012-08-22 蔡瑞琳 一种植绒乳胶手套及其生产方法
WO2014198366A1 (fr) * 2013-06-14 2014-12-18 Carl Freudenberg Kg Gant a effet rafraichissant
CN113480743A (zh) * 2021-05-31 2021-10-08 中国工程物理研究院材料研究所 一种可制备高性能柔性制品的复合胶乳及其配合工艺
EP3870633A4 (fr) * 2018-12-17 2022-08-03 Cariflex Pte. Ltd. Films stratifiés et procédés de préparation et d'utilisation correspondants

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6051320A (en) * 1995-08-30 2000-04-18 Audra International, L.L.C. Thin-walled natural rubber latex material substantially free of sulfur and nitrosamines
US20040033334A1 (en) * 2002-06-10 2004-02-19 Playtex Products, Inc. Electrostatic flocking and articles made therefrom
CA2448475A1 (fr) * 2002-11-07 2004-05-07 Smarthealth, Inc., D/B/A Smartpractice Articles elastomeriques flexibles et methodes de fabrication
US20040091504A1 (en) * 2002-11-07 2004-05-13 Hamann Curtis P. Flexible elastomer articles and methods of manufacturing
US20040107477A1 (en) * 2002-12-10 2004-06-10 Kimberly-Clark Worldwide, Inc. Crosslinking agent for coated elastomeric articles
US20070104766A1 (en) * 2005-11-10 2007-05-10 Shiping Wang Elastomeric article with antimicrobial coating
US20080034467A1 (en) 2006-07-28 2008-02-14 Shen Wei (Usa), Inc. An Elastomeric Flexible Article With Absorbent Polymer and Manufacturing Method
FR2910015A1 (fr) * 2006-12-18 2008-06-20 Jean Loic Baratoux "composition a base d'un melange polymere utilisee comme revetement de substrats solides"

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6051320A (en) * 1995-08-30 2000-04-18 Audra International, L.L.C. Thin-walled natural rubber latex material substantially free of sulfur and nitrosamines
US20040033334A1 (en) * 2002-06-10 2004-02-19 Playtex Products, Inc. Electrostatic flocking and articles made therefrom
CA2448475A1 (fr) * 2002-11-07 2004-05-07 Smarthealth, Inc., D/B/A Smartpractice Articles elastomeriques flexibles et methodes de fabrication
US20040091504A1 (en) * 2002-11-07 2004-05-13 Hamann Curtis P. Flexible elastomer articles and methods of manufacturing
US20040107477A1 (en) * 2002-12-10 2004-06-10 Kimberly-Clark Worldwide, Inc. Crosslinking agent for coated elastomeric articles
US20070104766A1 (en) * 2005-11-10 2007-05-10 Shiping Wang Elastomeric article with antimicrobial coating
US20080034467A1 (en) 2006-07-28 2008-02-14 Shen Wei (Usa), Inc. An Elastomeric Flexible Article With Absorbent Polymer and Manufacturing Method
FR2910015A1 (fr) * 2006-12-18 2008-06-20 Jean Loic Baratoux "composition a base d'un melange polymere utilisee comme revetement de substrats solides"

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102641004A (zh) * 2012-05-12 2012-08-22 蔡瑞琳 一种植绒乳胶手套及其生产方法
WO2014198366A1 (fr) * 2013-06-14 2014-12-18 Carl Freudenberg Kg Gant a effet rafraichissant
EP3870633A4 (fr) * 2018-12-17 2022-08-03 Cariflex Pte. Ltd. Films stratifiés et procédés de préparation et d'utilisation correspondants
US11931931B2 (en) 2018-12-17 2024-03-19 Cariflex Pte. Ltd. Laminated films and methods of making and using same
CN113480743A (zh) * 2021-05-31 2021-10-08 中国工程物理研究院材料研究所 一种可制备高性能柔性制品的复合胶乳及其配合工艺
CN113480743B (zh) * 2021-05-31 2023-08-22 中国工程物理研究院材料研究所 一种可制备高性能柔性制品的复合胶乳及其配合工艺

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