Claims
- 1. A spin finish composition comprising at least about 10 percent by weight based on said spin finish composition of components (a) and (b) having the formulaR1—(CO)x—O—(CH(R2)—CH2—O)y—(CO)z—R3 wherein each of said R1 and said R3 is selected from the group consisting of hydrogen or an alkyl group having from one to 22 carbon atoms or an alkylene hydroxy group having from one to 22 carbon atoms,said x is zero or one, said R2 may vary within said component (a) or said component (b) and is selected from the group consisting of hydrogen or an alkyl group having from one to four carbon atoms, said y is zero, or from one to 25, and said z is zero or one, in said component (a), said x and z are equal to zero and the average molecular weight of said component (a) is less than or equal to 1,900 and if R2 varies, component (a) is a random copolymer; and in said component (b), at least one of said x or said z is equal to one or said component (b) is a complex polyoxyethylene glyceride-containing compound having greater than 10 polyoxyethylene units; up to about five percent by weight based on said spin finish composition of component (c) of an ethoxylated silicone; and at least about one percent by weight based on said spin finish composition of component (d) having the formula R4(CH2O(CO)aR5)b wherein R4 is —C— or —COC—; a is 0 or 1; R5 is —H; from —CH3 to —C18H37; or —CH(R6)—CH20; b is 4 or 6; and R6 is —H or —CH3 or —H and —CH3 in a ratio of 10:90 to 90:10.
- 2. The spin finish composition of claim 1 wherein said component (a) is present in an amount of at least about 20 percent by weight based on said spin finish composition.
- 3. The spin finish composition of claim 2 wherein in said component (a), each of said R1 and R3 is selected from the group consisting of hydrogen or an alkyl group having from one to 22 carbon atoms.
- 4. The spin finish composition of claim 3 wherein in said component (a), each of said R1 and R3 is selected from the group consisting of hydrogen or an alkyl group having from one to ten carbon atoms, said R2 varies and is selected from the group consisting of hydrogen and an alkyl group having one or two carbon atoms, and said y is zero or from one to 20.
- 5. The spin finish composition of claim 4 wherein the average molecular weight of said component (a) is less than about 1,500.
- 6. The spin finish composition of claim 5 wherein said component (a) is a random copolymer.
- 7. The spin finish composition of claim 1 wherein said component (b) is present in an amount of at least about 10 percent by weight based on said spin finish composition.
- 8. The spin finish composition of claim 1 wherein in said component (b), each of said R1 and R3 is selected from the group consisting of hydrogen or an alkyl group having from one to 22 carbon atoms or an alkylene hydroxy group having from one to 22 carbon atoms, said R2 may vary and is selected from the group consisting of hydrogen or an alkyl group having from one to four carbon atoms, and at least said x or z is equal to one.
- 9. The spin finish composition of claim 1 wherein said component (b) is a complex polyoxyethylene glyceride-containing compound having greater than 10 polyoxyethylene units.
- 10. The spin finish composition of claim 9 wherein said complex polyoxyethylene glyceride-containing compound is ethoxylated castor oil.
- 11. The spin finish composition of claim 1 wherein said component (d) is dipentaerythritol hexapelargonate or pentaerythritol tetrapelargonate.
Parent Case Info
This application is a divisional of application Ser. No. 09/418,657 filed Oct. 15, 1999, now U.S. Pat. No. 6,426,142, Which claims priority to U.S. Provisional application No. 60/146,487, filed Jul. 30, 1999.
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Provisional Applications (1)
|
Number |
Date |
Country |
|
60/146487 |
Jul 1999 |
US |