Bio-based biocide compositions and methods of preserving therewith
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01N-053/00
C08K-005/098
C07D-303/16
C08K-005/1515
출원번호
US-0443973
(2012-12-12)
등록번호
US-9580574
(2017-02-28)
국제출원번호
PCT/US2012/069300
(2012-12-12)
국제공개번호
WO2014/092704
(2014-06-19)
발명자
/ 주소
Frenkel, Peter
출원인 / 주소
Galata Chemicals LLC
대리인 / 주소
Dilworth IP, LLC
인용정보
피인용 횟수 :
0인용 특허 :
8
초록▼
Bio-based biocide compositions containing epoxidized 2-ethylhexyl soyate and a solvent such as epoxidized soybean oil are disclosed. When incorporated into polymers such as PVC, preserved polymer compositions result. The invention also provides methods for preserving polymers, including incorporatin
Bio-based biocide compositions containing epoxidized 2-ethylhexyl soyate and a solvent such as epoxidized soybean oil are disclosed. When incorporated into polymers such as PVC, preserved polymer compositions result. The invention also provides methods for preserving polymers, including incorporating these compositions into PVC in accordance with these methods.
대표청구항▼
1. A method of preserving a polymer comprising: combining a polymer and a bio-based biocide composition comprising epoxidized 2-ethylhexyl soyate and at least one solvent selected from the group consisting of esters, epoxidized esters, phthalates, alcohols, ketones, alkylpyrrolidones, alkyl phosphat
1. A method of preserving a polymer comprising: combining a polymer and a bio-based biocide composition comprising epoxidized 2-ethylhexyl soyate and at least one solvent selected from the group consisting of esters, epoxidized esters, phthalates, alcohols, ketones, alkylpyrrolidones, alkyl phosphates and mixtures of at least two thereof, thereby forming a preserved polymer composition, the epoxidized 2-ethylhexyl soyate being present in the bio-based biocide composition in an amount from 20 to 90 weight percent based on the total weight of epoxidized 2-ethylhexyl soyate and solvent, wherein the bio-based biocide composition is present in an amount from 1 to 200 parts, based on 100 parts polymer. 2. The method of claim 1, wherein the preserved polymer composition exhibits resistance to fungi. 3. The method of claim 1, wherein the preserved polymer composition exhibits resistance to fungi as measured by test method ASTM G21-96. 4. The method of claim 3, wherein the preserved polymer composition exhibits improved resistance to fungi, as compared to the resistance to fungi of an otherwise identical composition except for the presence of the effective amount of a bio-based biocide composition. 5. The method of claim 4, wherein the resistance to fungi is improved by at least 15% as measured by test method ASTM G21-96. 6. The method of claim 4, wherein the resistance to fungi is improved by at least 30% as measured by test method ASTM G21-96. 7. The method of claim 4, wherein the resistance to fungi is improved by at least 40% as measured by test method ASTM G21-96. 8. The method of claim 1 comprising from about 5 to about 100 parts of the bio-based biocide composition, based on 100 parts of polymer. 9. The method of claim 8 comprising from about 10 to about 60 parts of the bio-based biocide composition, based on 100 parts of polymer. 10. The method of claim 9 comprising from about 30 to about 60 parts of the bio-based biocide composition, based on 100 parts of polymer. 11. The method of claim 3, wherein fungi is selected from the group consisting of Aspergillus brasiliensis, Penicillium pinophilum, Chaetomium globosum, Gliocadium virens and Aureobasidium pullulans. 12. The method of claim 1, wherein the at least one solvent is epoxidized soybean oil. 13. The method of claim 1 further comprising providing a conventional plasticizer selected from phthalates, hydrogenated phthalates, aliphatic esters of dicarboxylic acids, polymeric esters of dicarboxylic acids, citrates, sucrose esters, levulinic ketal esters, phosphates, alkyl phenol sulfonates, pyrrolidones, or mixtures of at least two thereof. 14. The method of claim 1 further comprising providing an additive. 15. The method of claim 14, wherein the additive is present and is selected from the group consisting of heat stabilizers, UV stabilizers and absorbers, antioxidants, lubricants, colorants, antistatic agents, and fillers. 16. The method of claim 15, wherein the heat stabilizer is alkali metal perchlorate. 17. The method of claim 16, wherein the alkali metal perchlorate is sodium perchlorate. 18. The method of claim 15, wherein the antioxidant is pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate). 19. The method of claim 1, wherein the polymer is selected from the group consisting of PVC, PVC co-polymer, TPU, latex and wood-plastic composite. 20. The method of claim 1, wherein the polymer is or comprises PVC. 21. Polymer preserved by the method of claim 1. 22. A method of preserving a polymer comprising: combining a polymer and a bio-based biocide composition comprising epoxidized 2-ethylhexyl soyate and at least one solvent selected from the group consisting of esters, epoxidized esters, phthalates, alcohols, ketones, alkylpyrrolidones, alkyl phosphates and mixtures of at least two thereof, thereby forming a preserved polymer composition, the epoxidized 2-ethylhexyl soyate being present in the bio-based biocide composition in an amount from 40 to 60 weight percent based on the total weight of epoxidized 2-ethylhexyl soyate and solvent, wherein the bio-based biocide composition is present in an amount from 1 to 200 parts, based on 100 parts polymer. 23. The method of claim 22 wherein the preserved polymer composition further comprises a microbiocide selected from 10,10′-oxybisphenoxarsine (OPBA), 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one (DCOIT), 2-n-octyl-4-isothiazolin-3-one (OIT), n-butyl-1, 2-benzisothiazolin-3-one (BBIT), 2,4,4′-trichloro-2′-hydroxy-diphenyl-ether (TCPP), 3-iodo-2-propynyl butyl carbamate (IPBC), N-(tricholomethylthio phthalamide), zinc pyrithione (ZNP), 2-(4-thiazolyl)-benzimidazol (TBZ), carbendazim and 3-benzo[b]thien-2-yl-5,6-dihydro-1,4,2-oxathiazine 4-oxide, 2,3,5,6 tetrachloro 4 (methyl sulfanyl) pyridine, N-trichloromethylthio-4-cyclohexene-1,2-dicarboximide, octhilinone, pentachlorophenyl laurate, tetrachloroisophthalonitrile, silver-zinc zeolite, silver-copper zeolite, or mixtures of two or more thereof. 24. The method of claim 22, wherein the at least one solvent is epoxidized soybean oil.
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