IT1066708B - Heat stable organo-polysiloxane adjuvants for extrusion spinning - e.g. of polyester fibres, have good compatibility and heat resistance - Google Patents
Heat stable organo-polysiloxane adjuvants for extrusion spinning - e.g. of polyester fibres, have good compatibility and heat resistanceInfo
- Publication number
- IT1066708B IT1066708B IT5272376A IT5272376A IT1066708B IT 1066708 B IT1066708 B IT 1066708B IT 5272376 A IT5272376 A IT 5272376A IT 5272376 A IT5272376 A IT 5272376A IT 1066708 B IT1066708 B IT 1066708B
- Authority
- IT
- Italy
- Prior art keywords
- opt
- adjuvants
- pref
- alkyl
- polysiloxane
- Prior art date
Links
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- Artificial Filaments (AREA)
Abstract
Organosilicon cpds. of formula R1 is an opt. alkylated phenyl gp. and/or a gp. -(CH(CH3)CH2-O-)b(CH2CH2O-)cR3 where R3 is 1-16 alkyl gp., 1-12 C acyl gp. or aryl gp., opt. carrying a hydrocarbon substit. b = 0-1, pref. O; and c = 1-30, and/or a trimethylsilyl gp.; R2 is an opt. substd. 1-16C alkyl gp. in which the carbon chain may be interrupted by a -O-CO- or -CO-O- gp. and/or the residue Ma-O-R1 and/or a gp. -CH(CH3)-C6H5, R2 pref. being CH3; R4 is a 1-16C alkyl gp. and/or a gp. -O-Si(CH3)R-Ma-OR1, R4 pref. being CH3; M is an opt. substd. divalent hydrocarbon gp.; n = 2.5-20; m = 0-5 a = 0 or 1. The average mol. contains 5-40 Si atoms, of which a maximum of 20 mole % are atoms Si, and 0.2-5 opt. alkylated phenyl gps. bound directly to Si via Ma-O- bonds, and 0.2-5 polyether blocks. (I) are useful adjuvants in the prodn. of extrusion spun fibres, esp. polyester fibres. They have good heat stability and antistatic properties, and give fibres with excellent processing properties.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5602/76A GB1548224A (en) | 1976-02-12 | 1976-02-12 | Organosilicon compounds and textile fibre dressings which contain these compounds |
DE2645890A DE2645890C3 (en) | 1976-02-12 | 1976-10-12 | Organosilicon compounds and textile fiber preparations containing them |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1066708B true IT1066708B (en) | 1985-03-12 |
Family
ID=25770998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5272376A IT1066708B (en) | 1976-02-12 | 1976-12-21 | Heat stable organo-polysiloxane adjuvants for extrusion spinning - e.g. of polyester fibres, have good compatibility and heat resistance |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1066708B (en) |
-
1976
- 1976-12-21 IT IT5272376A patent/IT1066708B/en active
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