C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 3/10 (2006.01)
Patent
CA 2614945
A method for reducing allergenicity of natural latex rubber. The natural latex rubber, prior to its vulcanization, is admixed with aluminum hydroxide to denature the antigenic protein thus reducing the total protein level considerably. Lignin or fumed silica can also be mixed with the aluminum hydroxide to reduce the protein value in latex. Ideally, the aluminum hydroxide is characterized as having a density of approximately 2.42g/cm3 and molecular weight of 78.00.
La présente invention concerne un procédé pour réduire l'allergénicité du caoutchouc naturel. Le caoutchouc naturel, avant sa vulcanisation, est additionné d'hydroxyde d'aluminium pour dénaturer la protéine antigénique, ce qui réduit ainsi considérablement le taux total de protéines. De la lignine ou de la silice fumée peuvent aussi être mélangées à l'hydroxyde d'aluminium pour réduire la teneur en protéines dans le caoutchouc. Idéalement, l'hydroxyde d'aluminium est caractérisé en ce qu'il a une densité d'environ 2,42g/cm3 et un poids moléculaire de 78,00.
Gowling Lafleur Henderson Llp
Honeycutt Travis
Vystar Corporation
LandOfFree
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