Processing stabilizers for rubber compounding
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08K-005/375
C08K-005/103
C08L-021/00
출원번호
US-0531514
(2008-03-10)
등록번호
US-8101679
(2012-01-24)
우선권정보
EP-07104544 (2007-03-21)
국제출원번호
PCT/EP2008/052801
(2008-03-10)
§371/§102 date
20100104
(20100104)
국제공개번호
WO2008/113702
(2008-09-25)
발명자
/ 주소
Knobloch, Gerrit
Peregi, Eva
Rota-Graziosi, Pierre
출원인 / 주소
BASF SE
대리인 / 주소
Stevenson, Tyler A.
인용정보
피인용 횟수 :
1인용 특허 :
5
초록▼
The invention describes an improved method for the preparation of rubber compounds which comprises compounding the rubber and the components at 125-200° C. in the presence of an amount of 0.1-2% based on the weight of the rubber of a processing stabilizer of the formula (I) wherein R1 is hydrogen, C
The invention describes an improved method for the preparation of rubber compounds which comprises compounding the rubber and the components at 125-200° C. in the presence of an amount of 0.1-2% based on the weight of the rubber of a processing stabilizer of the formula (I) wherein R1 is hydrogen, C1-C20alkyl, styryl, α-methyl-styryl or —CH2—S—R3; or C1-C20alkyl substituted with C2-C20alkenyl, C3-C20alkinyl, C5-C9cycloalkyl, phenyl or tolyl; R2 is C1-C20alkyl or —CH2—S—R3, R3 is C1-C20alkyl; with phenyl, hydroxyl, cyano, formyl, acetyl or —O—CO—R5 substituted C1-C20alkyl; C2-C20alkenyl, C3-C20alkinyl, C5-C9cycloalkyl; or with hydroxyl, phenyl, 4-chloro-phenyl, 2-methoxycarbonylphenyl, p-tolyl, 1,3-benzthiazol-2-yl, —(CHR5)COOR6 or —(CHR5)nCONR7R8 substituted C5-C9cycloalkyl; R4 is hydrogen or methyl, R5 is hydrogen or C1-C6alkyl, R6 is C1-C20alkyl; with oxygen or sulfur interrupted C3-C20alkyl; C5-C9cycloalkyl, phenyl, benzyl or tolyl, R7 and R8 are independently of each other hydrogen or C1-C6alkyl, and n is 1 or 2.
대표청구항▼
1. An improved method for the preparation of rubber compounds which comprises compounding rubber, epoxidised soybean oil and 2,2,6,6-tetramethylpiperidine-1-oxy at 125-200° C. in the presence of an amount of 0.1-2%, based on the weight of the rubber, of a processing stabilizer of the formula I where
1. An improved method for the preparation of rubber compounds which comprises compounding rubber, epoxidised soybean oil and 2,2,6,6-tetramethylpiperidine-1-oxy at 125-200° C. in the presence of an amount of 0.1-2%, based on the weight of the rubber, of a processing stabilizer of the formula I whereinR1 is hydrogen, C1-C20alkyl, styryl, α-methyl-styryl or —CH2—S—R3; or C1-C20alkyl substituted with C2-C20alkenyl, C3-C20alkinyl, C5-C9cycloalkyl, phenyl or tolyl;R2 is C1-C20alkyl or —CH2—S—R3,R3 is C1-C20alkyl; C1-C20alkyl substituted with phenyl, hydroxyl, cyano, formyl, acetyl or —O—CO—R5;C2-C20alkenyl, C3-C20alkinyl, C5-C9cycloalkyl; or C5-C9cycloalkyl substituted with hydroxyl, phenyl, 4-chlorophenyl, 2-methoxycarbonylphenyl, p-tolyl, 1,3-benzthiazol-2-yl, —(CHR5)nCOOR6 or —(CHR5)nCONR7R8;R4 is hydrogen or methyl,R5 is hydrogen or C1-C6alkyl,R6 is C1-C20alkyl; C3-C20alkyl interrupted with oxygen or sulfur; C5-C9cycloalkyl, phenyl, benzyl or tolyl,R7 and R8 are independently of each other hydrogen or C1-C6alkyl, andn is 1 or 2,where the weight ratio of the stabilizer of formula I to the epoxidised soybean oil is from 99.5:0.5 to 10:90 and where the weight ratio of the stabilizer of formula I to 2,2,6,6-tetramethylpiperidine-1-oxyl is from 2:1 to 1:2. 2. A method according to claim 1, wherein R3 is C6-C18alkyl. 3. A method according to claim 1, wherein R1 is methyl,R2 is —CH2—S—R3,R3 is C8-C12alkyl, andR4 is hydrogen. 4. A method according to claim 1, comprising compounding further components selected from the group consisting of pigments, dyes, fillers, levelling assistants, dispersants, plasticizers, vulcanization activators, vulcanization accelerators, vulcanizers, charge control agents, adhesion promoters, antistatic agents, metal oxides, antioxidants and light stabilizers. 5. A method according to claim 1, wherein the compounding takes place at 150-200° C.
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이 특허에 인용된 특허 (5)
Comert Ahmet (Chaineux BEX) Ladang Michel (Herve BEX) Petit Dominique (Housse-Blegny BEX), Moisture cured elastomeric interpenetrating network sealants.
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