# US 9,434,844 B2 · Additive, composition comprising it and use thereof

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 9,434,844 B2
- Document ID: US9434844B2
- Status: Granted
- Kind: B2
- Application number: 14/351,236
- Filed: 2012-10-12
- Published: 2014-09-18
- Granted: 2016-09-06
- Earliest claimed: 2011-10-12
- Assignees: Ineos Europe AG
- Applicants: Ineos Europe AG
- Inventors: Christopher Walls; Andrew John Bunney; Maurice Sydney Newton
- Web page: https://patentgrep.com/patent/US9434844B2

## CPC

- C09D 5/16: Antifouling paints; Underwater paints
- B05D 3/108: {Curing}
- C08F 2/004: {by a prior coating on the reactor walls}
- C08F 2/005: {by addition of a scale inhibitor to the polymerisation medium}
- C09D 5/1668: {Vinyl-type polymers}
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02)
- C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

## Abstract

Composition containing at least one poly acrylate (co)polymer binder and at least one of a condensation product formed by reaction of an effective 1-naphthol and formaldehyde, and a naphthalene molecule substituted in at least one of positions 1 to 8 with a sulfur-containing radical.

## Claims

### Claim 1

A composition comprising
a) at least one poly acrylate (co)polymer binder and
b) at least one of
(i) a condensation product formed by reaction of an effective 1-naphthol and formaldehyde; and
(ii) a naphthalene molecule substituted in at least one of positions 1 to 8 with a sulfur-containing radical; and
wherein the weight ratio of:
the condensation product formed by reaction of an effective 1-naphthol and formaldehyde or the naphthalene molecule substituted in at least one of positions 1 to 8 with a sulfur containing radical,
to the poly acrylate (co) polymer binder, is in the range of from 3:1 to 30:1.

### Claim 2 (depends on 1)

A method of preventing fouling of a reactor for polymerization of polymerizable monomers, comprising coating internal surfaces of said reactor with the composition as claimed in claim 1.

### Claim 3 (depends on 1)

A method of preventing or reducing corrosion of a reactor for polymerization of polymerizable monomers, comprising coating internal surfaces of said reactor with the composition as claimed in claim 1.

### Claim 4 (depends on 1)

The composition as claimed in claim 1 wherein the binder is a polyacrylic ester (co)polymer selected from the group consisting of: Behenyl behenate-butyl acrylate-styrene copolymer; Butyl acrylate-styrene copolymer; and Acrylic acid-butyl acrylate-acrylonitrile copolymer.

### Claim 5 (depends on 1)

A method of polymerisation of polymerisable monomers, comprising coating internal surfaces of a polymerization reactor with the composition as claimed in claim 1, and carrying out polymerisation of said polymerizable monomers in the polymerisation reactor having said composition coated on said internal surfaces thereof.

### Claim 6 (depends on 1)

A method of producing an antifouling composition as claimed in claim 1 comprising the steps of:
a) providing a solution or dispersion in water of at least one of:
(i) a condensation product formed by reaction of 1-naphthol and formaldehyde, and
(ii) a naphthalene molecule substituted in at least one of positions 1 to 8 with a sulfur-containing radical; and
b) adding a binder; while
c) optionally maintaining the pH of the mixture above pH 9; and
wherein the weight ratio of:
the condensation product formed by reaction of an effective 1-naphthol and formaldehyde or the naphthalene molecule substituted in at least one of positions 1 to 8 with a sulfur containing radical,
to the poly acrylate (co) polymer binder, is in the range of from 3:1 to 30:1.

### Claim 7 (depends on 1)

The composition according to claim 1, wherein the composition is substantially free of polyvinyl acetate and substantially free of partially hydrolysed polyvinyl acetate.

### Claim 8 (depends on 1)

The composition according to claim 1, wherein the composition comprises polyvinyl acetate or partially hydrolysed polyvinyl acetate and the amount of the polyvinyl acetate or the partially hydrolysed polyvinyl acetate in the composition is less than 2 wt %.

### Claim 9 (depends on 8)

The composition according to claim 8, wherein the amount of the polyvinyl acetate or the partially hydrolysed polyvinyl acetate in the composition is less than 1 wt %.