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1. US20120064337 - PEELABLE MULTILAYER SURFACE PROTECTING FILM AND PRODUCT

Office
États-Unis d'Amérique
Numéro de la demande 13319609
Date de la demande 20.05.2010
Numéro de publication 20120064337
Date de publication 15.03.2012
Type de publication A1
CIB
B32B 7/12
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
32PRODUITS STRATIFIÉS
BPRODUITS STRATIFIÉS, c. à d. FAITS DE PLUSIEURS COUCHES DE FORME PLANE OU NON PLANE, p.ex. CELLULAIRE OU EN NID D'ABEILLES
7Produits stratifiés caractérisés par la relation entre les couches; Produits stratifiés caractérisés par l’orientation relative des éléments caractéristiques entre les couches, ou par les valeurs relatives d’un paramètre mesurable entre les couches, c. à d. produits comprenant des couches ayant des propriétés physiques, chimiques ou physicochimiques différentes; Produits stratifiés caractérisés par la jonction entre les couches
04Liaison entre couches
12utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
CPC
C08L 23/04
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
C08L 23/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
C08L 23/06
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
06Polyethene
C08L 23/0853
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
08Copolymers of ethene
0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
0853Vinylacetate
C08L 23/0869
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
04Homopolymers or copolymers of ethene
08Copolymers of ethene
0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
0869Acids or derivatives thereof
C08L 23/10
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
23Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
02not modified by chemical after-treatment
10Homopolymers or copolymers of propene
Déposants Ren Shijie
Inventeurs Ren Shijie
Données relatives à la priorité 200910145422.7 20.05.2009 CN
Titre
(EN) PEELABLE MULTILAYER SURFACE PROTECTING FILM AND PRODUCT
Abrégé
(EN)

A peelable surface protecting film comprises a polymeric base layer and a layer of heat-activable adhesive composition. The adhesive composition comprises: (a) an ethylene-vinyl acetate copolymer having a content of the moiety derived from vinyl acetate monomer of more than 15 wt % or an ethylene-C1-4 alkyl (meth)acrylate copolymer; (b) an unsaturated dicarboxylic anhydride moiety-containing ethylene-vinyl acetate copolymer or an unsaturated dicarboxylic anhydride moiety-containing ethylene-C1-4 alkyl (meth)acrylate copolymer; (c) 3-35 wt % of a tackifier; and (d) 4.5-30 wt % of a modifier selected from the group consisting of ethylene homopolymer. ethylene-α-olefin copolymer, propylene homopolymer, propylene copolymer, ethylene-vinyl acetate copolymer having a content of the moiety derived from vinyl acetate monomer of less than 15 wt % and a mixture of two or more thereof. Also disclosed is an article protected by the protecting film.


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