Carboxy-functional silicones

• US 3,884,860 A
• Filed: 04/15/1974
• Issued: 05/20/1975
• Est. Priority Date: 04/15/1974
• Status: Expired due to Term

• Current Assignee: Lawrence H. Brown
• Original Assignee: Lawrence H. Brown
• Inventors: Brown, Lawrence H.
• Primary Examiner(s): Marquis, Melvyn I.
• Application Number:
  US05/460,849
• Time in Patent Office: 400 Days
• Field of Search: 260/827,824R,29.2M,46.5E,46.54,448.2B,448.2N 117/161ZA
• US Class Current: 524/588
• CPC Class Codes: C08G 59/4269 Macromolecular compounds obtained by reactions other than those involving unsaturated carbon-to-carbon bindings C08G59/4253 takes precedence
• CPC Class Codes: C08G 77/28 sulfur-containing groups
• CPC Class Codes: C08G 77/392 containing sulfur
• CPC Class Codes: C08L 2666/02 Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 2666/04 Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
• CPC Class Codes: C08L 2666/14 Macromolecular compounds according to C08L59/00 - C08L87/00; Derivatives thereof
• CPC Class Codes: C08L 33/08 Homopolymers or copolymers of acrylic acid esters
• CPC Class Codes: C08L 63/00 Compositions of epoxy resins; Compositions of derivatives of epoxy resins
• CPC Class Codes: C08L 67/00 Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain of polyester-amides C08L77/12; of polyester-imides C08L79/08; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 83/00 Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 83/08 containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
• CPC Class Codes: C09D 133/08 Homopolymers or copolymers of acrylic acid esters
• CPC Class Codes: C09D 167/00 Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain based on polyester-amides C09D177/12; based on polyester-imides C09D179/08; Coating compositions based on derivatives of such polymers
• CPC Class Codes: C09D 183/08 containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
• CPC Class Codes: H01J 29/74 Deflecting by electric fields only

Abstract

Organopolysiloxanes containing phenyl substituents and carboxyl groups attached to the silicon atom by a thioether linkage are useful as resin intermediates in water-reducible coating formulations.

Claims

1. A COPOLYMERIC ORGANOPOLYSILOXANE CONSISTING ESSENTIALLY OF (A) FROM 10 TO 65 MOL PERCENT OF SILOXY UNITS SELECTED FROM THE GROUP CONSISTING OF HOOCRCH2CH2SIO3/2 AND

2. A copolymeric organopolysiloxane of claim 1 wherein at least 20 mol percent siloxy units (a) are present.

3. A copolymeric organopolysiloxane of claim 1 where in the siloxy units (a) R is a -CH2S- radical.

4. The nitrogenous base salt of the copolymeric organopolysiloxane of claim 1.

5. The salt of claim 4 wherein said nitrogenous base is triethylamine.

6. The salt of claim 4 wherein said nitrogenous base is dimethylethanol amine.

7. An aqueous coating composition comprising the salt of claim 4.

8. An aqueous coating composition in accordance with claim 7 comprising a water-dispersible oil-free polyester and a water-miscible solveNt.