[미국특허]
Multi-layered polymer structure for medical products
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-027/08
B32B-027/30
B32B-027/32
B32B-027/34
출원번호
US-0153602
(1993-11-16)
발명자
/ 주소
Rosenbaum Larry A.
Anderson William
Woo Lecon
Laurin Dean
Buan Angeles Lillian
Ling Michael T.K.
Ding Yuan Pang Samuel
Hayward Denise S.
Hoppesch Joseph P.
Nebgen Gregg
Westphal S
출원인 / 주소
Baxter International Inc.
대리인 / 주소
Buonaiuto
인용정보
피인용 횟수 :
68인용 특허 :
133
초록▼
A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency ("RF") susceptible layer adhered to the skin layer. The RF layer has a first component of
A multiple layer structure comprising a skin layer composed of a polypropylene copolymer with styrene ethylene-butene styrene block copolymer within a range of 0-20% by weight skin layer, and, a radio frequency ("RF") susceptible layer adhered to the skin layer. The RF layer has a first component of a propylene based polymer, a second component of a nonpropylene polyolefin, a third component of a radio frequency susceptible polymer, and a fourth component of a polymeric compatibilizing agent.
대표청구항▼
[ We claim:][ D-882;][ D-1003;] [2.] A multiple layer thermoplastic structure suitable for manufacturing medical products comprising:(1) a skin layer selected from the group consisting of polypropylene and polypropylene copolymers; and,(2) a radio frequency susceptible layer adhered to the skin laye
[ We claim:][ D-882;][ D-1003;] [2.] A multiple layer thermoplastic structure suitable for manufacturing medical products comprising:(1) a skin layer selected from the group consisting of polypropylene and polypropylene copolymers; and,(2) a radio frequency susceptible layer adhered to the skin layer, the radio frequency susceptible layer having a dielectric loss greater than 0.05 at 1-60 MHz and at temperatures of ambient to 250.degree. C., the radio frequency susceptible layer comprising:(a) a first polyolefin selected from the group consisting of polypropylene and polypropylene copolymers;(b) a second polyolefin selected from the group consisting of ethylene copolymers, ultra-low density polyethylene, polybutene, and butene ethylene copolymers;(c) a radio frequency susceptible polymer selected from the group consisting of polyamides, ethylene vinyl acetate copolymers with a vinyl acetate comonomer content from 18-50% by weight, ethylene methyl acrylate copolymers with methyl acrylate comonomer content from 20%-40% by weight, ethylene vinyl alcohol with vinyl alcohol comonomer content from 15%-70% by mole percent;and(d) a first compatibilizing agent of a styrene and hydrocarbon block copolymer; wherein the multiple layer structure has a mechanical modulus of less than 40,000 psi when measured according to A[ D-882, the optical haze of the structure processed into a film 9 mils in thickness measured in accordance to A][ D-1003 is less than 30%, the structure exhibits no strain whitening after being strained at moderate speeds of about 20 inches per minute to about twice the original length and the structure is capable of storing or collecting beneficial agents or transferring such agents to a patient, the structure has a sample creep measured at 121.degree. C. for a sample strip of the structure under 27 psi loading of less than or equal to 60%, and wherein the multiple layer structure is capable of being thermoplastically recycled.][ D-882, the optical haze of the structure processed into a film 9 mils in thickness measured in accordance to A][ D-1003 is less than 30%, the structure exhibits no strain whitening after being strained at moderate speeds of about 20 inches per minute to about twice the original length and the structure is capable of storing or collecting beneficial agents or transferring such agents to a patient, the structure has a sample creep measured at 121.degree. C. for a sample strip of the structure under 27 psi loading of less than or equal to 60%, and wherein the multiple layer structure is capable of being thermoplastically recycled.][ D-882, the optical haze of the structure processed into a film 9 mils in thickness measured in accordance to A][ D-1003 is less than 30%, the structure exhibits no strain whitening after being strained at moderate speeds of about 20 inches per minute to about twice the original length and the structure is capable of storing or collecting beneficial agents or transferring such agents to a patient, the structure has a sample creep measured at 121.degree. C. for a sample strip of the structure under 27 psi loading of less than or equal to 60%, and wherein the multiple layer structure is capable of being thermoplastically recycled.][ D-882, the optical haze of the structure processed into a film 9 mils in thickness measured in accordance to A][ D-1 003 is less than 30%, the structure exhibits no strain whitening after being strained at moderate speeds of about 20 inches per minute to about twice the original length and the structure is capable of storing or collecting beneficial agents or transferring such agents to a patient, the structure has a sample creep measured at 121.degree. C. for a sample strip of the structure under 27 psi loading of less than or equal to 60%, and wherein the multiple layer structure is capable of being thermoplastically recycled.][ D-882, the optical haze of the structure processed into a film 9 mils in thickness measured in accordance to A][ D-1003 is less than 30%, the structure exhibits no strain whitening after being strained at moderate speeds of about 20 inches per minute to about twice the original length and the structure is capable of storing or collecting beneficial agents or transferring such agents to a patient, the structure has a sample creep measured at 121.degree. C. for a sample strip of the structure under 27 psi loading of less than or equal to 60%, and wherein the multiple layer structure is capable of being thermoplastically recycled.][ D-882, the optical haze of the structure processed into a film 9 mils in thickness measured in accordance to A][ D-1003 is less than 30%, the structure exhibits no strain whitening after being strained at moderate speeds of about 20 inches per minute to about twice the original length and the structure is capable of storing or collecting beneficial agents or transferring such agents to a patient, and wherein the multiple layer structure is capable of being thermoplastically recycled.][ D-882, the optical haze of the structure processed into a film 9 mils in thickness measured in accordance to A][ D-1 003 is less than 3 0%, the structure exhibits no strain whitening after being strained at moderate speeds of about 20 inches per minute to about twice the original length and the structure is capable of storing or collecting beneficial agents or transferring such agents to a patient, the structure has a sample creep measured at 121.degree. C. for a sample strip of the structure under 27 psi loading of less than or equal to 60%, and wherein the multiple layer structure is capable of being thermoplastically recycled.][ D-882, the optical haze of the structure processed into a film 9 mils in thickness measured in accordance to A][ D-1003 is less than 30%, the structure exhibits no strain whitening after being strained at moderate speeds of about 20 inches per minute to about twice the original length and the structure is capable of storing or collecting beneficial agents or transferring such agents to a patient, the structure has a sample creep measured at 121 .degree. C. for a sample strip of the structure under 27 psi loading of less than or equal to 60%, and wherein the multiple layer structure is capable of being thermoplastically recycled.][ D-882, the optical haze of the structure processed into a film 9 mils in thickness measured in accordance to A][ D-1003 is less than 30%, the structure exhibits no strain whitening after being strained at moderate speeds of about 20 inches per minute to about twice the original length and the structure is capable of storing or collecting beneficial agents or transferring such agents to a patient, the structure has a sample creep measured at 121.degree. C. for a sample strip of the structure under 27 psi loading of less than or equal to 60%, and wherein the multiple layer structure is capable of being thermoplastically recycled.]
Glotin Michel (Serquigny FRX) Parsy Roland (Le Havre FRX) Abadie Patrick (Bernay FRX), a
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