BR102017010076A2 - látex de borracha natural hipoalergênico, protegido com polifenóis e isento de amônia, seu processo de obtenção e uso - Google Patents
látex de borracha natural hipoalergênico, protegido com polifenóis e isento de amônia, seu processo de obtenção e uso Download PDFInfo
- Publication number
- BR102017010076A2 BR102017010076A2 BR102017010076-6A BR102017010076A BR102017010076A2 BR 102017010076 A2 BR102017010076 A2 BR 102017010076A2 BR 102017010076 A BR102017010076 A BR 102017010076A BR 102017010076 A2 BR102017010076 A2 BR 102017010076A2
- Authority
- BR
- Brazil
- Prior art keywords
- latex
- natural rubber
- tannin
- ammonia
- rubber latex
- Prior art date
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 64
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- 235000013824 polyphenols Nutrition 0.000 title claims abstract description 27
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- 239000004328 sodium tetraborate Substances 0.000 claims description 22
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 21
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- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
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- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
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- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 claims description 3
- 125000000129 anionic group Chemical group 0.000 claims description 2
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- SMVRDGHCVNAOIN-UHFFFAOYSA-L disodium;1-dodecoxydodecane;sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O.CCCCCCCCCCCCOCCCCCCCCCCCC SMVRDGHCVNAOIN-UHFFFAOYSA-L 0.000 claims description 2
- CDMADVZSLOHIFP-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane;decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 CDMADVZSLOHIFP-UHFFFAOYSA-N 0.000 claims description 2
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- OHZZTXYKLXZFSZ-UHFFFAOYSA-I manganese(3+) 5,10,15-tris(1-methylpyridin-1-ium-4-yl)-20-(1-methylpyridin-4-ylidene)porphyrin-22-ide pentachloride Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Mn+3].C1=CN(C)C=CC1=C1C(C=C2)=NC2=C(C=2C=C[N+](C)=CC=2)C([N-]2)=CC=C2C(C=2C=C[N+](C)=CC=2)=C(C=C2)N=C2C(C=2C=C[N+](C)=CC=2)=C2N=C1C=C2 OHZZTXYKLXZFSZ-UHFFFAOYSA-I 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
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- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/22—Compounds containing nitrogen bound to another nitrogen atom
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
Description
Trata- mento | Amostra/Tempo (horas) | |||||||
Dl 6 | D2 30 | D3 54 | D4 78 | D5 150 | D6 222 | D7 318 | D8 408 | |
LA | 10 | 6 | Coag. | Coag. | Coag. | Coag. | Coag. | Coag. |
LAB | Am. | Am. | Am. | Am. | Am. | Am. | Am. | Coag. |
HA | Am. | Am. | Am. | Am. | Am. | Am. | Am. | Coag. |
TBL | 10 | 10 | 10 | 9 | 8 | 7 | 7 | 5 |
TBR | 10 | 10 | 10 | 9 | 9 | 8 | 5 | 8 |
Amostra | AGV (números AGV) | |||
6h | 30h | 54h | 1268h | |
LA | 0,03 | Coa | Coa | Coa |
LAB | 0,02 | 0,02 | 0,02 | Coa |
HA | 0,01 | 0,01 | 0,01 | 0,93 |
TBR | - | 0,12 | 0,24 | 0,38 |
Amostra | Sem centrifugar | Uma centrifugação | Duas centrifugações | |||
Hev b5 (pg/g) | Hev bl3 (pg/g) | Hev b5 (pg/g) | Hev bl3 (pg/g) | Hev b5 (pg/g) | Hev bl3 (pg/g) | |
HA | 0,165 | 800 | 0,079 | 100 | 0,066 | 50 |
TBL | <0,02 | <0,02 | ||||
TBR | <0,02 | 1600 | 0,073 | 120 | 0,078 | 17 |
Claims (17)
- REIVINDICAÇÕES1. LÁTEX DE BORRACHA NATURAL, caracterizado por ser hipoalergênico, fluido, protegido contra degradação biológica, coagulação espontânea e isento de amônia.
- 2. LÁTEX DE BORRACHA NATURAL de acordo com a reivindicação 1, caracterizado pela inativação das proteínas alergênicas Hev b5 e Hev b!3.
- 3. LÁTEX DE BORRACHA NATURAL de acordo com uma das reivindicações 1 ou 2, caracterizado pela interação de suas proteínas alergênicas Hev b5 e Hev bl3 com polifenóis, preferencialmente o tanino.
- 4. LÁTEX DE BORRACHA NATURAL, de acordo com uma das reivindicações de 1 a 3, caracterizado por ser associado a um surfactante tensoativo iônico e da interação com polifenóis, preferencialmente o tanino, em pH entre 7 e 9.
- 5. LÁTEX DE BORRACHA NATURAL, de acordo com uma das reivindicações de 1 a 4, caracterizado por o surfactante tensoativo ser aniônico, como o lauril sulfato de sódio (ou dodecil sulfato de sódio), ou outro, ou um surfactante não aniônico, como nonil fenol etoxilado em uma de suas formas, ou outro, ou ainda outro surfactante catiônico ou anfotérico.
- 6. LÁTEX DE BORRACHA NATURAL, de acordo com uma das reivindicações de 1 a 5, caracterizado por ser associado a um bactericida como borato de sódio ou tetraborato de sódio decahidratado (bórax) em uma de suas formas de apresentação, ou seus derivados e similares.
- 7. LÁTEX DE BORRACHA NATURAL, de acordo com uma das reivindicações de 1 a 6, caracterizado por ser associado a um alcalinizante ou basificante, tais como o hidróxido de potássio, hidróxido de sódio, hidróxido de amônia, ou amônia, ou outro qualquer de efeito similar.Petição 870170031660, de 12/05/2017, pág. 42/642/3
- 8. LÁTEX DE BORRACHA NATURAL, de acordo com uma das reivindicações de 1 a 7, caracterizado por ser de origem vegetal, preferencialmente da seringueira de espécie Hevea brasiliensis.
- 9. PROCESSO DE OBTENÇÃO DE LÁTEX DE BORRACHA NATURAL, conforme definido em uma das reivindicações de 1 a 8, caracterizado por consistir na adição direta ao látex in natura dos compostos:a. Bórax;b. Hidróxido de potássio;c. Polifenol;d. Surfactante.
- 10. PROCESSO DE OBTENÇÃO DE LÁTEX DE BORRACHA NATURAL de acordo com a reivindicação 9, caracterizado por o bórax ser preferencialmente 20 mL em solução aquosa a 5%, perfazendo 1% (m/v) em relação a 100 mL de látex in natura.
- 11. PROCESSO DE OBTENÇÃO DE LÁTEX DE BORRACHA NATURAL de acordo com a reivindicação 9 ou 10, caracterizado por o hidróxido de potássio ser preferencialmente 1,2 a 1,5 mL de solução 2 mol/L.
- 12. PROCESSO DE OBTENÇÃO DE LÁTEX DE BORRACHA NATURAL de acordo com uma das reivindicações de 9 a 11, caracterizado por o polifenol ser preferencialmente 2 mL de tanino em solução a 25%, perfazendo 0,5% (m/v) em relação a 100 mL de látex in natura.
- 13. PROCESSO DE OBTENÇÃO DE LÁTEX DE BORRACHA NATURAL de acordo com uma das reivindicações de 9 a 12, caracterizado por o surfactante ser preferencialmente um tensoativo iônico, compreendendo 4 mL de lauril éter sulfato de sódio (LESS) como solução comercial a 23%, perfazendo cerca de 1% (m/v) em relação a 100 mL de látex in natura.Petição 870170031660, de 12/05/2017, pág. 43/643/3
- 14. PROCESSO DE OBTENÇÃO DE LÁTEX DE BORRACHA NATURAL, de acordo com uma das reivindicações de 9 a 13, caracterizado por o polifenol, preferencialmente o tanino, ser utilizado como preservante.
- 15. PROCESSO DE OBTENÇÃO DE LÁTEX DE BORRACHA NATURAL, de acordo com uma das reivindicações de 9 a 14, caracterizado por ocorrer em pH entre 7 e 9, preferencialmente 9.
- 16. PROCESSO DE OBTENÇÃO DE LÁTEX DE BORRACHA NATURAL, de acordo com uma das reivindicações de 9 a 15, caracterizado por ser na complexação do látex in natura com polifenóis, preferencialmente o tanino.
- 17. USO DE LÁTEX DE BORRACHA NATURAL, conforme definição em uma das reivindicações de 1 a 16, caracterizado por ser na fabricação de produtos de média ou delgada espessura, como luvas cirúrgicas ou de procedimento, campos cirúrgicos, drenos, cateteres, sondas, preservativos masculinos e femininos, tubos de látex, balões, entre outros produtos.Petição 870170031660, de 12/05/2017, pág. 44/641/2FIGURASFIGURA 1Petição 870170031660, de 12/05/2017, pág. 46/642/2Tempo (h)Potencial Zeta (mV)FIGURA 2Petição 870170031660, de 12/05/2017, pág. 47/64
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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BR102017010076-6A BR102017010076B1 (pt) | 2017-05-12 | Látex de borracha natural hipoalergênico, protegido com polifenóis e isento de amônia, seu processo de obtenção e uso | |
PCT/BR2018/050153 WO2018205003A1 (pt) | 2017-05-12 | 2018-05-10 | Látex de borracha natural hipoalergênico, protegido com polifenóis e isento de amônia, seu processo de obtenção e uso |
CN201880045911.2A CN110892015A (zh) | 2017-05-12 | 2018-05-10 | 用多酚保护且不含氨的低变应原性天然橡胶胶乳、其制备方法及用途 |
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Application Number | Priority Date | Filing Date | Title |
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BR102017010076-6A BR102017010076B1 (pt) | 2017-05-12 | Látex de borracha natural hipoalergênico, protegido com polifenóis e isento de amônia, seu processo de obtenção e uso |
Publications (2)
Publication Number | Publication Date |
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BR102017010076A2 true BR102017010076A2 (pt) | 2018-12-04 |
BR102017010076B1 BR102017010076B1 (pt) | 2023-05-23 |
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