3m Innovative Properties Company

Minnesota Mining and Manufacturing Company

3m Innovation Properties Company

Yorinobu Takamatsu

Kengo Imamura

Akihiko Nakayama

Jun Fujita

Ken Egashira

Daigo Yasuda

Andrew John Ouderkirk

Timothy J Nevitt

Koji Saito

Brant Ulrick Kolb

Hidetoshi Abe

Minori Kawagoe

Sawako Kojima

Tatsuo Fukushi

Charles L Bruzzone

Ronald S Steelman

Robert S Moshrefzadeh

Michael P Daniels

Yuko Yoshida

Makoto Ishikawa

Richard J Goetz

Yoshinori Araki

Jiro Hattori

Akira Yoda

Naota Sugiyama

Toshitaka Nakajima

Yutaka Mori

Takeo Yamamoto

Kazuta Saito

Naoyuki Toriumi

Takahide Okuyama

Katsuya Takamori

Keizo Yamanaka

Haruhiko Miyazawa

Hiroki Wakamatsu

Yoshiteru Kakinuma

Hiroko Akiyama

Hiroshi Sakaguchi

Saori Ueda

Masaaki Furusawa

Takashi Harada

Yasuhiro Kono

Tomotaka Araki

Masaru Shinohara

Shinya Ohtomo

Kyoko Yumiza

Harumi Ushito

Yoong Kim

Masami Miura

Lindsay E Corcoran

Hirofumi Sonoda

Hiroyasu Nanakubo

Koji Tsuda

Takashi Komatsuzaki

Yoshihiro Kashihara

Web-wound rolls with a web edge treatment with microspheres and processes to make the same are provided. The web-wound rolls include a substrate web having at least two web edges. One or more stripes of coated material are disposed adjacent to one or both of the web edges. The substrate web is wound upon itself in multiple revolutions about a central core, and each revolution is held substantially separate from the next by the one or more stripes of coated material.

Web-wound rolls with microsphere treated edge and methods of making same

A graphic sheet is provided that can be affixed with sufficient adhesive force onto wallpaper, a poster, or other substrate having comparatively low strength, and can be easily renewed without damaging the substrate, which is the underlying layer. A graphic sheet of an embodiment of the present disclosure includes: a base film layer having a first surface and a second surface situated on an opposite side of the first surface; and a tacky acrylic foam layer disposed on or above the second surface of the base film layer. The acrylic foam layer contains an acrylic polymer having 20 mass % or more of a unit derived from ethyl acrylate.

Graphic sheet, method of producing graphic sheet, and building structure

An ultraviolet crosslinkable composition that can provide a cured product that is easy to mold, can maintain a molded shape even under a high temperature environment, and has excellent physical properties, for example, chemical resistance, scratch resistance and the like. The ultraviolet crosslinkable composition can contain a thermoplastic acrylic resin in which a glass transition temperature is 25&#xb0; C. or higher and a (meth) acrylic copolymer having an ultraviolet crosslinkable site in which a glass transition temperature is 25&#xb0; C. or higher.

Ultraviolet crosslinkable composition comprising an acrylic polymer having an ultraviolet crosslinkable site

A design transfer sheet of one embodiment of the present disclosure contains a release layer and a design transfer layer releasably mounted on the release layer, and the design transfer layer contains a thermally adherable first surface layer and a thermally adherable second surface layer in that order from the release layer side.

Transfer sheet, and decorative film, and method for producing same

The disclosed retroreflective sheet contains a retroreflective layer and a polyurethane surface protecting layer, wherein the surface protecting layer contains at least a reaction product of a polyol with either a polyester backbone or a polycarbonate backbone and a trifunctional or higher aliphatic isocyanate, and the glass transition temperature Tg of the surface protecting layer is 50&#xb0; C. or higher, and the tan &#x3b4; of the loss tangent at 120&#xb0; C. is 0.1 or less.

Retroreflective sheet, license plate, and manufacturing method thereof

The present application is directed to an acrylic polymer. Specifically, a marking film comprising a film layer which comprises a polymer blend of a first (meth)acrylic polymer having a glass transition temperature of 30 degrees C. to 180 degrees C. and a second (meth)acrylic polymer having a glass transition temperature of over &#x2212;80 degrees C. less than 30 degrees C. One from the first and second (meth)acrylic polymers comprises a carboxylic group and another comprises an amide group. The marking film additionally comprises an adhesive layer.

Marking film

A structure comprising a decorative sheet having a surface layer and an adhesive layer containing a polymer having 25 to 100 mass % of propylene units, and a substrate containing a polymer having 25 to 100 mass % of propylene units. The decorative sheet and the substrate are integrated by vacuum-pressure forming or vacuum forming.

Structure integrated by vacuum-pressure forming or vacuum forming, and manufacturing method thereof

A film capable of covering an article having a three-dimensional shape by heat expansion provided by one embodiment of the present disclosure comprises an outermost layer disposed on an outermost surface, and a polyurethane thermal adhesive layer, which contains a thermoplastic polyurethane selected from the group consisting of polyester-based polyurethanes and polycarbonate-based polyurethanes and is thermally adhered to the article during the heat expansion, wherein the fracture strength of the polyurethane thermal adhesive layer is not less than 1 MPa at 135&#xb0; C., and the storage modulus at 150&#xb0; C. and frequency 1.0 Hz is from 5&#xd7;10Pa to 5&#xd7;10Pa, and the coefficient of loss tan &#x3b4; is not less than 0.1.

Film and decorative film capable of covering article having three-dimensional shape by heat expansion

A pressure-sensitive adhesive composition is disclosed. The composition comprises a particulate polymer of a monomer mixture comprising (a) an alkyl (meth)acrylate monomer; (b) at least one of (b-1) an alkyl (meth)acrylate monomer with the alkyl group having a carbon number of 15 to 24 and the alkyl group being a linear alkyl group and (b-2) an alkyl (meth)acrylate monomer with the alkyl group having a carbon number of 15 to 24 and the alkyl group being a branched alkyl group; and (c) a monoolefinically unsaturated monomer having a ketone group with the alkyl group having a carbon number of 8 to 14. Pressure sensitive adhesive tapes incorporating such adhesive compositions are also described.

Pressure-sensitive adhesive composition and pressure-sensitive adhesive tape

A pressure-sensitive adhesive composition is disclosed. The composition comprises a particulate polymer of a monomer mixture comprising (a) an alkyl (meth)acrylate monomer; (b) at least one of (b-1) an alkyl (meth)acrylate monomer with the alkyl group having a carbon number of 15 to 24 and the alkyl group being a linear alkyl group and (b-2) an alkyl (meth)acrylate monomer with the alkyl group having a carbon number of 15 to 24 and the alkyl group being a branched alkyl group; and (c) a monoolefmically unsaturated monomer having a ketone group with the alkyl group having a carbon number of 8 to 14. Pressure sensitive adhesive tapes incorporating such adhesive compositions are also described.

An adhesive composition is disclosed that comprises acrylic adhesive particles having an average diameter of 10 to 100 micrometers obtained by suspension polymerization of an acrylic monomer mixture which comprises a branched C 14-22 alkyl group containing (meth)acrylate and a polar monomer. The adhesive composition may be applied to an adhesive dressing or patch. The adhesive has excellent water vapor permeability, excellent adhesion to skin with low skin irritation when applied, less adhesive residue after peeling, and less keratin damage. The adhesive does not cause wetness or peeling from sweat while being worn.

Adhesive composition

An adhesive film comprising a substrate and an adhesive layer on said substrate, said adhesive layer comprising: (A) a carboxyl group-containing (meth)acrylate polymer having a glass transition temperature (Tg) of 25 C or lower, said carboxyl group-containing (meth)acrylate polymer having a percent number of repeating units of 4.0 to 25% based on the total number of repeating units of the (meth)acrylate polymer; and (B) an amino group-containing (meth)acrylate polymer having a glass transition temperature (Tg) of 75 C or higher, said amino group-containing (meth)acrylate polymer having a percent number of amino group-containing repeating units of 3.5 to 15% based on the total number of repeating units of the (meth)acrylate polymer, wherein the ratio by weight of said component (A) to said component (B) is from 62:38 to 75:25.

Adhesive film, production methods of shaped body

The present invention is directed to providing a pressure-sensitive adhesive with good initial tack and good adhesion at low temperature. Generally, the pressure-sensitive adhesive composition comprises (1) a carboxylic group-containing (meth)acrylic tacky polymer having a weight average molecular weight of less than 800,000 and a glass transition temperature of &#x2212;100&#xb0; C. to &#x2212;30&#xb0; C., and (2) an amino group-containing (meth)acrylic non-tacky polymer having a weight average molecular weight of from 30,000 to 100,000 and a glass transition temperature of 20&#xb0; C. to 90&#xb0; C. The amino group-containing (meth)acrylic non-tacky polymer (2) is present in an amount of no less than 1 parts by mass and less than 20 parts by mass on a basis of 100 parts by mass of said carboxylic group-containing (meth)acrylic tacky polymer (1).

Pressure-sensitive adhesive composition having improved initial tack

To provide a film having high tensile strength and elongation characteristics. A methacrylic film formed of (A) a carboxyl group-containing (meth)acrylic polymer having a glass transition temperature (Tg) of 0&#xb0; C. or higher and a weight-average molecular weight of 10,000 or more obtained by copolymerizing a composition containing a monoethylenically unsaturated monomer as a main component and an unsaturated monomer having a carboxyl group, and (B) an amino group-containing (meth)acrylic polymer having a glass transition temperature (Tg) of 0&#xb0; C. or lower and a weight-average molecular weight of 10,000 or more obtained by copolymerizing a composition containing a monoethylenically unsaturated monomer as a main component and an unsaturated monomer having an amino group, wherein a mixing ratio of the component (A) to the component (B) is from 10:90 to 90:10 in terms of a weight ratio.

(Meth)acrylic film, and making film and receptor sheet using the same

A heat resistant masking tape, comprising (1) a heat resistant backing film layer; and (2) a pressure-sensitive adhesive layer disposed on the heat resistant backing film layer, wherein the pressure-sensitive adhesive layer comprises a polymer resulting from polymerizing and cross-linking a monomer mixture comprising an alkyl (meth)acrylate with an alkyl group having 4 to 15 carbon atoms, glycidyl (meth)acrylate and (meth)acrylic acid, the glycidyl (meth)acrylate being present in an amount of 2 to 13% by weight of the total weight of monomers and the (meth)acrylic acid being present in an amount of 1 to 7% by weight of the total weight of monomers.

Heat resistant masking tape

Growing community of inventors

Sagamihara, Japan

Yorinobu Takamatsu