US2011289655A1PendingUtilityA1
Glove
Est. expiryMay 26, 2030(~3.8 yrs left)· nominal 20-yr term from priority
Inventors:Raimund Schaller
C08J 2305/16B29C 41/003B29K 2105/16C08J 5/02B29C 41/14A41D 19/0062C08K 3/346B29L 2031/4864
44
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Claims
Abstract
The invention relates to a glove made from a covalently cross-linked elastomer film, which elastomer film contains at least one layered silicate.
Claims
exact text as granted — not AI-modified1 . Glove made from a covalently cross-linked elastomer film, which elastomer film contains at least one filler, wherein the filler is a layered silicate.
2 . Glove according to claim 1 , wherein the elastomer film, having a layer thickness of 1 mm, has a permeation resistance in accordance with DIN EN 374-3 of at least 14 minutes before the solvent isopropanol is broken down.
3 . Glove according to claim 1 , wherein the at least one filler is a clay mineral.
4 . Glove according to claim 3 , wherein the clay mineral is selected from a group comprising kaolinite, dickite, nacrite, halloysite, allophane, imogolite
5 . Glove according to claim 3 , wherein the clay mineral is kaolin and/or talcum.
6 . Glove according to claim 5 , wherein the kaolin contains at least 70% by weight of kaolinite.
7 . Glove according to claim 3 , wherein the clay mineral is hard-calcinated.
8 . Glove according to claim 1 , wherein the filler is used in a proportion selected from a range with a lower limit of 5 phr and an upper limit of 30 phr.
9 . Glove according to claim 1 , wherein the filler is in particulate form and 50% of the particles have a particle diameter of at most 10 μm.
10 . Glove according to claim 9 , wherein the particle diameter of the biggest particle is at most 30 μm.
11 . Glove according to claim 1 , wherein the filler has a volume-specific surface of at most 40 m 2 /cm 3 , measured by the BET method.
12 . Glove according to claim 1 , wherein the elastomer film is made from natural rubber latex.
13 . Glove according to claim 1 , wherein the elastomer film comprises a single layer.
14 . Method of producing a glove according to claim 1 by immersing a glove mold in an immersing bath containing latex, which latex contains at least one filler, wherein a layered silicate is used as the filler and the filler is converted into an aqueous dispersion before being added to the latex.
15 . Method according to claim 14 , wherein the dispersion is added to the latex prior to the initial cross-linking process.
16 . Method according to claim 14 , wherein the initial cross-linking process is run to a degree of cross-linking degree of at most 96% (swelling of the toluene).
17 . Method of producing an elastomer, comprising:
supplying a layered silicate as a filler to an elastomer, wherein a glove formed from a film of the elastomer has the layered silicate filler.
18 . Method according to claim 17 , wherein the layered silicate comprises kaolin.Join the waitlist — get patent alerts
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