Water-absorbent adhesive compositions and associated methods of manufacture and use
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05D-005/10
A61K-008/18
C08K-005/10
출원번호
US-0269465
(2011-10-07)
등록번호
US-8273405
(2012-09-25)
발명자
/ 주소
Feldstein, Mikhail M.
Bairamov, Danir F.
Novikov, Mikhail Borisovich
Kulichikhin, Valery G.
Platé, Nicolai A.
Cleary, Gary W.
Singh, Parminder
출원인 / 주소
A.V. Topcheiv Institute of Petrochemical Synthesis, Russian Academy of Sciences
대리인 / 주소
McDermott Will & Emery LLP
인용정보
피인용 횟수 :
15인용 특허 :
245
초록▼
An adhesive composition is provided that is water-insoluble yet water-absorbent, i.e., capable of absorbing up to 15 wt. % water or more. The composition in composed of a film-forming hydrophilic polymer with at least one linear segment having a plurality of recurring polar groups along the polymer
An adhesive composition is provided that is water-insoluble yet water-absorbent, i.e., capable of absorbing up to 15 wt. % water or more. The composition in composed of a film-forming hydrophilic polymer with at least one linear segment having a plurality of recurring polar groups along the polymer backbone, a complementary multifunctional polymer with a plurality of recurring functional groups that noncovalently bind to the polar groups on the film-forming polymer, and plasticizer. A method for manufacturing the adhesive composition is provided as well.
대표청구항▼
1. A method for improving the adhesion of a water-insoluble, water-absorbent adhesive composition, by combining, under conditions effective to form a substantially homogeneous admixture: (a) a film-forming, hydrophilic polymer (FFHP) containing a plurality of recurring polar groups, the FFHP selecte
1. A method for improving the adhesion of a water-insoluble, water-absorbent adhesive composition, by combining, under conditions effective to form a substantially homogeneous admixture: (a) a film-forming, hydrophilic polymer (FFHP) containing a plurality of recurring polar groups, the FFHP selected from the group consisting of poly(dialkyl aminoalkyl acrylates), poly(dialkylaminoalkyl methacrylates), poly(N,N-dialkyl acrylamides), polyvinyl amine), poly(alkylene imine), poly(N-vinyl acrylamide), poly(N-vinyl alkylacrylamides), poly(trimethylammonioethyl methacrylate), poly(N-vinyl lactams), chitosan, copolymers thereof, and combinations of any of the foregoing;(b) a complementary multifunctional polymer (CMP) containing a plurality of recurring functional groups, the CMP selected from the group consisting of poly(acrylic acid), poly(methacrylic acid), poly(maleic acid), poly(sulfonic acid), poly(vinyl alcohol), poly(vinyl phenol), poly(ethylene oxide), poly(hydroxyalkyl methacrylates), cellulose derivatives, alginic acid, copolymers thereof, and combinations of any of the foregoing;wherein the CMP has a molecular weight lower than the molecular weight of the FFHP, and the FFHP and the CMP are selected such that functional groups contained in the CMP are capable of non-covalently binding to recurring polar groups in the FFHP, and where at least one of the FFHP and the CMP possesses ionogenic groups,(c) a plasticizer capable of plasticizing the FFHP, the plasticizer selected from the group consisting of dialkyl phthalates, dicycloalkyl phthalates, diaryl phthalates, mixed alkyl-aryl phthalates, alkyl phosphates, aryl phosphates, alkyl citrates, citrate esters, alkyl adipates, dialkyl tartrates, dialkyl sebacates, dialkyl succinates, alkyl glycolates, alkyl glycerolates, glycol esters, glycerol esters, and mixtures thereof,(d) a solvent in an amount effective to provide a solution,the improvement comprising: (i) choosing a weight fraction amount of the FFHP that is greater than the weight fraction amount of either the CMP or the plasticizer,(ii) adding to the solution, or to the FFHP or CMP prior to the choosing step, an ionizing agent in an amount effective to ionize from about 5% to about 10% of the ionogenic groups in the solution or in the FFHP and/or CMP respectively,(iii) casting the resulting solution from (d) onto a substrate, and(iv) heating the solution-coated substrate to volatilize the solvent;wherein the resulting adhesive composition from (iv) displays an adhesion that is enhanced over the adhesion for the same composition absent the ionizing agent. 2. The method of claim 1, wherein the plasticizer is selected from the group consisting of dimethyl phthalate, diethyl phthalate, dipropyl phthalate, di(2-ethylhexyl)phthalate, di-isopropyl phthalate, diaryl phthalate, dicapryl phthalate, tributyl phosphate, trioctyl phosphate, tricresyl phosphate, triphenyl phosphate, trimethyl citrate, triethyl citrate, tributyl citrate, acetyl triethyl citrate, trihexyl citrate, dioctyl adipate, diethyl adipate, di(2-methylethyl)adipate, dihexyl adipate, diethyl tartrate, dibutyl tartrate, diethyl sebacate, dipropyl sebacate, dinonyl sebacate, diethyl succinate, dibutyl succinate, glycerol diacetate, glycerol triacetate, glycerol monolactate diacetate, methyl phthalyl ethyl glycolate, butyl phthalyl butyl glycolate, ethylene glycol diacetate, ethylene glycol dibutyrate, triethylene glycol diacetate, triethylene glycol dibutyrate, triethylene glycol dipropionate, and mixtures thereof. 3. The method of claim 2, wherein the plasticizer is selected from the group consisting of tributyl phosphate, trioctyl phosphate, triphenyl phosphate, trimethyl citrate, triethyl citrate, and tributyl citrate. 4. The method of claim 1, wherein the molecular weight of the FFHP is in the range of approximately 20,000 to 3,000,000 Da. 5. The method of claim 4, wherein the molecular weight of the FFHP is in the range of approximately 100,000 to 2,000,000 Da. 6. The method of claim 5, wherein the molecular weight of the FFHP is in the range of approximately 100,000 to 1,500,000 Da. 7. The method of claim 1, wherein the molecular weight of the CMP is in the range of approximately 10,000 to 1,000,000 Da. 8. The method of claim 7, wherein the molecular weight of the CMP is in the range of approximately 100,000 to 1,000,000 Da. 9. The method of claim 1, wherein: the FFHP is selected from the group consisting of poly(dialkyl aminoalkyl acrylates), poly(dialkyl aminoalkyl methacrylates), poly(N,N-dialkyl acrylamides), poly(trimethylammonioethyl methacrylate), poly(N-vinyl lactams), copolymers thereof, and combinations of any of the foregoing; andthe CMP is selected from the group consisting of poly(acrylic acid), poly(methacrylic acid), poly(maleic acid), poly(hydroxyalkyl methacrylates), cellulose derivatives, copolymers thereof, and combinations of any of the foregoing. 10. The method of claim 1, further comprising combining at least one optional additive with the FFHP, the CMP, and the plasticizer during formation of the admixture. 11. The method of claim 10, wherein the at least one additive includes an active agent. 12. The method of claim 11, wherein the at least one additive is a pharmacologically active agent. 13. The method of claim 12, wherein the pharmacologically active agent is a drug. 14. The method of claim 11, wherein the at least one additive is a cosmeceutically active agent. 15. The method of claim 14, wherein the cosmeceutically active agent is a tooth whitening agent. 16. The method of claim 10, wherein the at least one additive is selected from the group consisting of fillers, pH regulating agents, tackifiers, electrolytes, antimicrobial agents, antioxidants, preservatives, colorants, and combinations thereof.
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