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US 10,947,395 B2Granted
Multi-functional flow modifier for chemical coating compositions
AssigneePison Stream Solutions Inc.
InventorsJoseph H. James, Subadhra Janardhanan, Sanjana Das, Kathleen McAfee
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Abstract
A multi-functional flow modifier that also serves as a wetting agent, gloss control additive, and rheology modifier is contemplated. The flow modifier itself is a mixture of polyurethane masterbatch and hydroxyl acrylic resin (free from any styrene components/resins), curatives, anti-corrosion pigments, degassers, and anti-oxidants. The flow modifier may be introduced to finished coating compositions by way of a silica carrier.
Claims12
A multi-functional, flow additive composition comprising:
- 70 to 80 wt. % of hydroxyl acrylic resin that is free from styrene;
- 5.0 to 20 wt. % of a polyurethane masterbatch including a triazine-based phenol cured by a blocked cycloaliphatic, aliphatic, or aromatic polyisocyanate;
- 1.0 to 2.0 wt. % of a curative, 0.5 to 5.0 wt. % of an anti-corrosion pigment;
- 0.5 to 5.0 wt. % of a degassing agent;
- 0.5 to 5.0 wt. % of an antioxidant;
- 0.01 to 5.0 wt. % of a combination of polyethylene and polyester hydroxyl resins;
- and
- wherein the curative is selected so that it is not effective to harden the flow additive composition.
5 more elements
Dependencies are inferred from the claim text.