EP2729288A1 - Gant de protection comportant une doublure intérieure textile - Google Patents

Gant de protection comportant une doublure intérieure textile

Info

Publication number
EP2729288A1
EP2729288A1 EP11805785.0A EP11805785A EP2729288A1 EP 2729288 A1 EP2729288 A1 EP 2729288A1 EP 11805785 A EP11805785 A EP 11805785A EP 2729288 A1 EP2729288 A1 EP 2729288A1
Authority
EP
European Patent Office
Prior art keywords
solution
glove
layer
polymer layer
textile
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP11805785.0A
Other languages
German (de)
English (en)
Inventor
Mattias FINZELBERG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2729288A1 publication Critical patent/EP2729288A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/001—Linings
    • 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
    • A41D19/00—Gloves
    • A41D19/015—Protective gloves
    • 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
    • B29C41/20—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 incorporating preformed parts or layers, e.g. moulding inserts or for coating articles
    • 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
    • A41D19/0065—Three-dimensional gloves with a textile layer underneath
    • 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

  • the invention relates to protective gloves, in particular elastic, polymeric protective gloves with textile
  • Isoprene rubbers also show a low
  • protective gloves are made of polymeric
  • Inner glove and polymeric glove usually game, which also adversely affects the tactile sensitivity.
  • Textile lining is glued into the polymeric protective glove, i.
  • An adhesion promoter is used to fix the lining in the glove.
  • a protective glove made of a composite material of textile fabric and polymeric layer have a stronger adhesion between the textile knitted fabric and the polymeric layer.
  • Protective glove which consists of a textile, which has been coated by a dispersion dip with polymers such as polyvinyl chloride (PVC) and its manufacturing process and the
  • Such a protective glove has uneven layer thicknesses and appearance of diffusion channels, so-called pin-holes, a comparatively poor protective effect. This is also unfavorable from an economic point of view, as this leads to a larger committee.
  • additives such as coagulation reagents are needed.
  • the invention has for its object to provide a polymeric protective glove with textile lining, which uniform permeation over the entire
  • an object is to provide such a glove, which also has a high wearing comfort while maintaining flexibility and tactile sensitivity. Another object is to provide an efficient method of making such a protective glove.
  • the invention provides a polymeric
  • the first polymer layer comprises a synthetic elastomer which is formed as a copolymer with isoprene as a monomer unit, ie Elastomer contains isoprene monomer units.
  • copolymers are understood as meaning polymers having at least two different monomer units.
  • Isoprene monomer unit is especially the
  • Isoprene monomer units are also understood to mean those polymers in which derivatives of the isoprene monomer units are present.
  • those polymers are also understood as polymers with isoprene monomer units in which derivatization was carried out by polymer-analogous reactions, for example by halogenation of the polymer.
  • the textile layer of the layer composite forms the
  • the layer composite is constructed in such a way that the textile layer and the first polymer layer are firmly connected to one another via a common interface.
  • the textile layer due to process engineering still contain additives or residual amounts of additives such as sizing or film-forming substances, in particular polyvinyl alcohol (PVA) or a polysaccharide, eg starch.
  • PVA polyvinyl alcohol
  • the textile layer and the first polymer layer are held together by a fiber-plastic composite. This allows a particularly good adhesion of the first polymer layer on the textile lining, or the textile layer
  • Adhesive in particular an adhesive can be dispensed with.
  • the textile properties of the textile lining are largely retained.
  • Polymer layer a fiber-plastic composite material, wherein the fibers of the textile layer are embedded in a matrix of the polymer of the first polymeric layer.
  • the fiber-plastic composite material is formed by dipping the textile lining or the textile layer into a solution of a synthetic rubber with isoprene monomer units. At the interface of the two layers, the polymer solution penetrates into the textile layer and envelops the fibers.
  • Polymer chains take place. This increases the contact surface between fibers and polymer chains and thus also the intramolecular and intramolecular forces of attraction
  • the textile lining preferably consists of a knitted fabric. It is advantageous if in addition to the first polymeric layer and the textile layer or the textile lining is elastic.
  • the knit is preferably a knit with double loops, more preferably is a
  • Interlock fabric This is for the formation of a fiber-plastic composite material while preserving the textile
  • Properties of the lining advantageous because the knit has a sufficient mesh density, which has a positive effect on the degree of penetration of the textile lining.
  • the knitted fabric of the textile lining contains cellulose-containing fibers. It is particularly advantageous if the knitted fabric consists of cotton or a cotton blended fabric, in particular with a cotton content greater than 50%. This is
  • the cotton knit has a density greater than 150 g / m 2 , in particular greater than 250 g / m 2 .
  • the thread thickness of the yarn used is preferably 30: 1. It has been found that the penetration of the textile lining over the density of the knitted fabric in
  • Combination with the thread strength can be influenced.
  • the first contains
  • Polymer layer is an elastomer with butyl monomer units.
  • elastomers with isoprene monomer units such as, for example, crosslinked butyl rubbers (HR), in particular elastomers with butyl Monomer units a good protection against polar
  • Gas permeability i. it is impermeable to a variety of gases such as hydrogen chloride or ammonia.
  • the first polymer layer contains an elastomer with halogenated butyl monomer units, in particular an elastomer with butyl monomer units, which is polymer-analogous
  • the first polymer layer particularly preferably comprises an elastomer having bromobutyl monomer units, bromobutyl monomer units being understood in the context of the invention to be, in particular, the repeat units II, III and IV.
  • Halogenated butyl rubbers are easier to crosslink than their pure hydrocarbon derivatives because of the lower binding energies. This effect is particularly pronounced for rubbers having bromobutyl monomer units. In addition, one increases
  • the first polymer layer is applied to the textile layer by a dipping process, in particular by a solution dip process
  • polymer-dipped layers have uniform layer thicknesses.
  • pin-holes i. Diffusion channels in the
  • Polymer layer can be avoided.
  • the first polymer layer consists of two
  • Polymer partial layer contains colorant and the second
  • Polymer partial layer is disposed over the first polymer sublayer. This embodiment of the first
  • Polymeric layer is particularly advantageous because typically uncolored for protective gloves, i. bright textile lining can be used. By using an undyed first polymer sublayer shimmers through the textile lining, without affecting the color impression of the feed. On the other hand, the user in particular such
  • At least a second one is above the first polymer layer
  • Polymer layer of another, different polymer applied is another preferred embodiment
  • the second polymer layer contains a fluorinated one
  • the comparatively high permeability of the elastomer with isoprene monomer units of the first polymer layer for fats, oils and fuels can be achieved by
  • Such a protective glove made of a composite material of different polymeric layers offers a broader protection by synergetic effects, i. high permeation times for a larger number of classes of compounds than corresponding protective gloves with only one polymer layer.
  • the second polymer layer contains an elastomer with 1,1-difluoroethene monomer units. Fluoroelastomers with 1,1-difluoroethene monomeric units are compared to many
  • Fluorororubbers with 1, 1-Difluorethen monomer units also leads to a high mechanical resistance of the polymeric composite material.
  • the second polymer layer contains a copolymer with the monomers 1, 1-difluoroethene and hexafluoropropene.
  • the second polymer layer contains a
  • Elastomer with acrylonitrile monomer units for example a crosslinked nitrile rubber (NBR).
  • NBR crosslinked nitrile rubber
  • the protective glove has a first
  • the manufacturing process provides at least the following steps:
  • a textile lining is applied in a step a) on a glove shape.
  • Lubricant in particular a silicone oil, which is previously applied to the glove shape, is included
  • a solution of a film-forming polymer is applied to the textile lining mounted on the glove form.
  • the temperature ⁇ during the dipping process is lower than that
  • Step d) Crosslinking temperature of the first rubber.
  • the dipped first polymer layer is dried (step e)).
  • the dipped first polymer layer is dried (step e)).
  • step f the first polymer layer is vulcanized by autoclaving the protective glove.
  • step g the protective glove is removed from the mold.
  • the glove form after step e) is immersed in a second solution of a second, other synthetic rubber. After a predefined immersion time t 2 , the glove shape is removed from the solution and dried. In particular, the first and second polymer layers are vulcanized together in step f).
  • the second solution comprises a rubber with the monomers 1, 1-difluoroethene and / or
  • film-forming polymers are in particular polar
  • Polymers with hydroxyl groups used Preferably, these polymers are water-soluble.
  • film-forming polymer is especially a PVA solution and / or a polysaccharide-containing solution, e.g. used a starchy solution.
  • a plasticizer in particular glycerol, is added to the solution of a film-forming polymer.
  • Soaked rag can prevent complete saturation with the rubber solution. This can be a
  • these fibers can be optimally pretreated for the subsequent dipping process.
  • Isoprene units are coated with the PVA solution until the application of PVA to the feed is 0.15 to 3 g, preferably 0.3 to 1.8 g, particularly preferably 0.6 to 0.9 g.
  • the degree of impregnation of the textile lining can be influenced by the rubber.
  • the textile lining is provided with a polysaccharide-containing, e.g.
  • This solution preferably acts as sizing.
  • Polysaccharide, especially starch as a film-forming polymer has the advantage that the protective glove does not adhere very strongly to the glove shape. As a result, the glove can be surprisingly removed after completion even without ever everting the glove shape, which significantly improves the production process.
  • the viscosity of the first rubber solution is 100 to 200 s (determined with a 6 mm Ford cup). This is advantageous because a rubber solution with high viscosity due to their flow behavior, the textile lining
  • Viscosities permeates there is another in the choice of viscosity of the first rubber solution
  • the textile in one embodiment of the invention, the textile
  • Partial layer formed which does not completely penetrate the textile layer and seals the outside of the surface of the textile lining.
  • steps c) and d) is immersed in a second solution of the first synthetic rubber of lower viscosity and built the first polymer layer so on. This is particularly advantageous in terms of process engineering, since rubber solutions with comparatively low viscosities are easier to process in the solution dip process.
  • the glove shape is at least once partially and subsequently completely immersed at least in one of the dives.
  • even layer thicknesses can be achieved in glove shapes of this type in which this would otherwise not be possible due to their geometry, for example in the case of
  • a preferred embodiment of the invention provides
  • an advantage of using starch as a film-forming polymer is that the use of detergent when peeling off the glove can be dispensed with. In addition, the strength without substantial impairment of the
  • Fig. 1 is a schematic drawing of
  • FIG. 2 is a schematic drawing of
  • Fig. 3 is a schematic drawing of
  • Fig. 5 is a schematic cross section through the
  • Fig. 8 is a light micrograph of the section A of the first imple mentation example. Detailed description of an embodiment
  • Fig. 1 shows schematically the manufacturing method of a protective glove 16 on the basis of the first
  • FIG. 2 shows a simplified form of the manufacturing process, which at a second
  • Fig. 3 shows another embodiment of the manufacturing method.
  • Fig. 4 shows a schematic representation of the protective glove 16 according to the invention.
  • the upper part of the protective glove 16 is the fingers 17 and the palm and the
  • Protective glove 16 is through the textile lining. 2
  • Manufacturing of the first embodiment involves the following steps: A ceramic glove mold 1 is filled with silicone oil
  • a textile cotton lining 2 is pulled over the glove mold 1. With a cloth soaked in PVA, the textile lining 2 is coated with the aqueous PVA solution 3 about 3 to 4 times.
  • PVA solution 3 initially 3.75 kg of PVA are dissolved at 90 ° C. in 25 l of deionized (VE) water.
  • VE deionized
  • Ready-to-use solution 3 11 ml of the stock solution are mixed with 500 ml of glycerol and 5 l of water.
  • the PVA solution 3 is in particular from the fingertips 20 to the
  • the glove mold 1 is immersed in a dip tank 5 of a first solution of a synthetic first rubber 6. The solution temperature of
  • the first solution of a synthetic first rubber 6 contains bromobutyl rubber and toluene as a solvent. No colorants were added to the first bromobutyl solution 6.
  • the viscosity of the first Bromobutylates 6 has a viscosity of 100 to 200 s during dipping
  • the glove form 1 is in the first dive of the fingertips 19 to the wrist 18 and in the subsequent dives
  • Fingertips 20 can be dipped. It is immersed so often or until the polymer immersion sub-layers formed in the individual dives together have a thickness of about 0.1 mm and thereby the first
  • Polymer partial layer 26 of the first polymer layer 25 form.
  • the plunge 5 is moved by the lifting device 7 up and down. After each dive, the glove mold 1 is dried under rotation for 30 minutes at 30 ° C.
  • the polymer partial layer 26 deposited in the first bromobutyl solution 6 and consisting of several polymer immersion sublayers (not shown individually in FIGS. 6 and 7) is white.
  • Glove Form 1 is dried at 25 to 30 ° C for at least 8 hours to remove the solvent.
  • Solution temperature of the second rubber solution is 10 30 ° C.
  • the second solution of the synthetic first rubber 10 thus also contains bromobutyl rubber dissolved in toluene.
  • the second bromobutyl solution 10 contains carbon as a colorant.
  • the viscosity of the second bromobutyl solution 10 is 50 to 120 s (measured with a 6 mm Ford cup).
  • the glove form 1 is in three
  • the second polymer sublayer 27 of the first polymer layer 25 result and have a thickness of about 0.05 mm.
  • synthetic third rubber 13 contains a rubber with the monomers 1, 1-difluoroethene, hexafluoropropene and tetrafluoroethene, e.g. Viton.
  • a solvent 1, 1-difluoroethene, hexafluoropropene and tetrafluoroethene, e.g. Viton.
  • the glove mold 1 is removed from the dip tank 12 and dried in the dive house 11 for 30 minutes at a temperature of 25 ° C with rotation.
  • Viton® solution 13 and the subsequent drying process are repeated 3 to 5 times until the layer thickness of the Viton® layer as the second polymer layer 27 is about 0.1 mm.
  • the glove mold 1 is dried for 12 hours at room temperature. Subsequently, the coated glove mold 1 is vulcanized in an autoclave 14 for 120 minutes at a pressure of 3 bar and a temperature of 150 ° C. Accordingly, the first polymer layer 25 and the second
  • FIG. 2 shows the production process of a second one
  • the second embodiment has only the first polymer layer 25 and thus provides a simplified form of the first described above
  • Embodiment represents.
  • the manufacturing process also sees the preparation of the glove mold 1, the
  • Embodiment Unlike the first
  • Example dipped After the last dive into the bromobutyl solution 10, the glove mold 1 is added to complete removal of the methyl ethyl ketone
  • FIG. 3 shows a third exemplary embodiment of the invention
  • Embodiment is the use of a starch-containing solution 15 in place of the PVA solution 3.
  • the starch-containing solution is for example a 1: 1 diluted with water commercial ironing or laundry solution.
  • the polar polymer having hydroxyl groups PVA and / or starch is preferably used.
  • the textile lining 2 is sprayed here before the first dive with the starch-containing solution and subsequently in an oven (30)
  • the layer structure of the first embodiment is shown schematically in Fig. 6, wherein
  • Composite material according to the invention consists of a textile layer or the textile lining 2 and the first
  • Composite material unlike, for example, the protective glove shown schematically in FIG. 5 with glued-in inner lining 2, no adhesion promoter layer 22.
  • the partial penetration of the textile lining 2 through the first polymer layer 25 results in a mechanical
  • the textile layer or the textile lining 2 forms the inside of the glove.
  • the arrow 23 symbolizes the action of chemicals from the outside on the protective glove 16.
  • the composite material of the protective glove 16 as shown in Fig. 6 schematically
  • Polymer partial layers 26 and 27, is formed, nor a second polymer layer 28th
  • the textile lining 2 of the embodiment contains
  • Cotton fibers The cotton content is> 50%, which may be a cotton blend or a pure cotton fabric.
  • the knit is an interlock knit
  • the first polymer layer 25 consists of bromobutyl rubber and has a layer thickness of 0.15 mm.
  • Brombutyl layer 25 not only exhibits a barrier effect against liquid media, but also has a very low gas permeability. Thus, the bromobutyl layer 25 protects against gases such as ammonia or
  • the second polymer layer 28 contains a fluoroelastomer with the monomers 1, 1-difluoroethene and
  • the Viton® layer 28 has a layer thickness of 0.1 mm.
  • the textile lining 2 ensures at the same time a high level of comfort without tactile sensitivity or
  • FIG. 8 shows a light micrograph of the
  • the textile lining 2 forms the
  • the bromobutyl layer 25 and the textile lining 2 form a composite material.
  • the white, i. not colored first Brombutylteil Anlagen 26 partially penetrates the textile layer 2 and seals the textile lining 2 on the outside.

Landscapes

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

Abstract

La présente invention concerne un gant de protection comportant une doublure textile et une couche polymère contenant un élastomère renfermant des unités isoprène. Selon l'invention, la doublure textile ou la couche textile et la couche polymère sont présents en tant que composite laminaire. L'invention concerne en outre un procédé pour fabriquer un tel gant de protection.
EP11805785.0A 2011-07-08 2011-12-22 Gant de protection comportant une doublure intérieure textile Withdrawn EP2729288A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011107443A DE102011107443A1 (de) 2011-07-08 2011-07-08 Schutzhandschuh mit textilem Innenfutter
PCT/EP2011/006495 WO2013007274A1 (fr) 2011-07-08 2011-12-22 Gant de protection comportant une doublure intérieure textile

Publications (1)

Publication Number Publication Date
EP2729288A1 true EP2729288A1 (fr) 2014-05-14

Family

ID=45464494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11805785.0A Withdrawn EP2729288A1 (fr) 2011-07-08 2011-12-22 Gant de protection comportant une doublure intérieure textile

Country Status (5)

Country Link
US (1) US20150033801A1 (fr)
EP (1) EP2729288A1 (fr)
CA (1) CA2841209A1 (fr)
DE (1) DE102011107443A1 (fr)
WO (1) WO2013007274A1 (fr)

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US9629402B2 (en) * 2012-09-20 2017-04-25 Omega Global, Inc. Protective glove
USD737524S1 (en) * 2013-05-10 2015-08-25 Inteplast Group, Ltd. Disposable plastic narrow-neck glove
USD735968S1 (en) * 2013-12-13 2015-08-11 Covco Ltd. Glove
USD773744S1 (en) * 2013-12-13 2016-12-06 Covco (H.K.) Ltd. Glove former
JP7023111B2 (ja) 2015-07-16 2022-02-21 日本ゼオン株式会社 ディップ成形品の製造方法
US11229248B2 (en) * 2015-12-02 2022-01-25 Showa Glove Co. Supporting glove and method for manufacturing the supporting glove
US10215164B2 (en) 2015-12-07 2019-02-26 Intel Corporation Fabric-based piezoelectric energy harvesting
US20170172421A1 (en) * 2015-12-16 2017-06-22 Nadine L. Dabby Physiological characteristic measurement system
CN107639855B (zh) * 2017-11-02 2023-10-03 上海华新医材有限公司 医用手套卷边着色设备及方法
JP6744676B1 (ja) * 2019-11-01 2020-08-19 ショーワグローブ株式会社 手袋
CN112048917B (zh) * 2020-09-03 2023-06-13 山东星宇手套有限公司 一种有衬里的双层丁基防化手套的制备方法
CN112609472B (zh) * 2020-12-08 2022-05-27 山东星宇手套有限公司 一种硅胶隔热手套的制备方法
CN114426802A (zh) * 2022-02-10 2022-05-03 北京邦维高科新材料科技股份有限公司 可热封橡塑复合胶布的制造方法及其制品

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Also Published As

Publication number Publication date
US20150033801A1 (en) 2015-02-05
WO2013007274A1 (fr) 2013-01-17
DE102011107443A1 (de) 2013-01-10
CA2841209A1 (fr) 2013-01-17

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