IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0701937
(2001-02-07)
|
| 우선권정보 |
EP-98110596 (1998-06-09) |
| 국제출원번호 |
PCT/US99/13072
(1999-06-09)
|
| 국제공개번호 |
WO99/64499
(1999-11-16)
|
|
발명자
/ 주소 |
- Italo Corzani IT
- Gianfranco Palumbo DE
|
| 출원인 / 주소 |
- The Procter & Gamble Company
|
| 대리인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
20 인용 특허 :
5 |
초록
▼
The present invention relates to shape-formed three dimensional articles which are moisture vapour permeable and liquid impermeable and comprise liquid impermeable formed structures having an enhanced moisture vapour permeability and comprising thermoplastic compositions having a higher processabili
The present invention relates to shape-formed three dimensional articles which are moisture vapour permeable and liquid impermeable and comprise liquid impermeable formed structures having an enhanced moisture vapour permeability and comprising thermoplastic compositions having a higher processability. The shape-formed three dimensional articles of the present invention can find a variety of applications wherein moisture vapour permeability combined with liquid imperviousness are desirable.
대표청구항
▼
1. A shape-formed, three dimensional, moisture vapour permeable, liquid impermeable article comprising a moisture vapour permeable, liquid impermeable structure, wherein said structure is in the form of a continuous thin film, said structure comprising a thermoplastic composition, said composition c
1. A shape-formed, three dimensional, moisture vapour permeable, liquid impermeable article comprising a moisture vapour permeable, liquid impermeable structure, wherein said structure is in the form of a continuous thin film, said structure comprising a thermoplastic composition, said composition comprising:a thermoplastic polymer or mixture of polymers selected from the group consisting of polyurethanes, poly-ether-amides block copolymers, polyethylene-acrylic acid copolymers, polyethylene oxide and its copolymers, poly lactide and copolymers, polyamides, polyester block copolymers, sulfonated polyesters, poly-ether-ester block copolymers, poly-ether-ester-amide block copolymers, polyacrylates, polyacrylic acids, ionomers, polyethylene-vinyl acetate with a vinyl acetate content of more than 28 weight %, polyvinyl alcohol and its copolymers, polyvinyl ethers and their copolymers, poly-2-ethyl-oxazoline, polyvinyl pyrrolidone and its copolymers, and mixtures thereof, a suitable compatible hydrophilic plasticiser or blend of hydrophilic plasticisers. said thermoplastic composition having a viscosity of from 50 poise to 4000 poise at a frequency of 1 rad/s at a temperature of 210.degree. C. or less and a viscosity of less than 2000 poise at a frequency of 1000 rad/s at a temperature of 210.degree. C. or less, wherein said compatible hydrophilic plasticiser are selected from the group consisting of acids, esters, amides, alcohols, polyalcohols, and mixtures thereof.
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