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Antifoam agents for paper coating are specialized additives designed to eliminate surface foam and entrained air during the high-speed preparation and application of coating colors (pigments, binders, and additives). They ensure a smooth, uniform coating without defects like pinholes, fish-eyes, or spots.
Here are the primary types and specific products for paper coating:
1. Silicone-Based Antifoams
- Borchers AF 1171: Used for waterborne and solvent-borne coatings.
- DOWSIL™ AF-8017: Organofunctional silicone for persistent foam control, useful in anionic surfactant-based media.
- XIAMETER™ AFE-0400: 10% active silicone emulsion for latex coatings.
- Evonik TEGOPREN® 5803: Polyether siloxane.
2. Non-Silicone / Oil-Based / Polymer Defoamers
- Borchi Burst DFM 100: Mineral oil-based, suitable for paper coatings, waterborne paints, and PVC systems.
- Crucible Chemical Foamkill 649: Non-silicone, stable, and highly compatible, designed for paper coating.
- BYK-012: VOC-free and silicone-free, suited for aqueous paper coatings.
- SURFYNOL® DF 37: Oil-based, effective in latex dipping and coating/ink formulations.
3. Key Considerations for Selection
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Web results
Antifoams & Defoamers
Applied Material Solutions
https://www.appliedmaterialsolutions.com › defoamers-a...
Applied Material Solutions
https://www.appliedmaterialsolutions.com › defoamers-a...
AMS manufactures an array of pulp and paper defoamers ranging from silicone antifoams for pulp mills to water-based defoamers for paper machines.Read more
DOWSIL™ AF-8014 Antifoam
Dow
https://www.dow.com › en-us › pdp.dowsil-af-8014-ant...
Dow
https://www.dow.com › en-us › pdp.dowsil-af-8014-ant...
It provides both foam control and detergency. It is anonionic surfactant, efficient foam control agent because of its low foam characteristics and inverse water ...Read more
Pulp Processing Foam Control & Antifoam for Paper Industry
ywlchemical.com
https://ywlchemical.com › antifoam-in-paper-industry
ywlchemical.com
https://ywlchemical.com › antifoam-in-paper-industry
Feb 24, 2026 — This article provides an overview of why effective foam control using specialized antifoams is crucial throughout the pulp and paper value chain.Read more
Defoamers and Air Release Additives
BYK Additives
https://www.byk.com › product › defoamers-and-air-rel...
BYK Additives
https://www.byk.com › product › defoamers-and-air-rel...
Perfect surfaces with BYK defoamers and air release agents. Here you will find our additive recommendations: silicone, mineral oil, and polymer defoamers.
Defoamers for Coatings and Paints
Borchers: A Milliken Brand
https://borchers.com › news-events-blog › defoamers-f...
Borchers: A Milliken Brand
https://borchers.com › news-events-blog › defoamers-f...
Jul 6, 2024 — Defoaming agents work to reduce surface tension in coatings, making foam unstable. This causes the bubble wall in a coating to thin out and ...Read more
Antifoam-Pulp And Paper -rickmanchemical.com
xiamen rickman chemical technology co., ltd
https://www.rickmanchemical.com › antifoam-pulp-and-...
xiamen rickman chemical technology co., ltd
https://www.rickmanchemical.com › antifoam-pulp-and-...
Jan 6, 2023 — Antifoam for paper coating is usually added during the formulation of coatings.Styrene-butadiene latex is the latex make coated art paper ...Read more
What is a defoamer and how does it work in the paper ...
Amazon Chemicals
https://www.amazon-chem.cn › research-developme
Amazon Chemicals
https://www.amazon-chem.cn › research-developme
A defoamer for paper industry applications controls foam, ensuring smooth papermaking, better product quality, and efficient machine operation.
Defoamers for the Paper Industry - Crucible Chemical
Crucible Chemical Company
https://cruciblechemical.com › PRODUCTS › FoamKill
Crucible Chemical Company
https://cruciblechemical.com › PRODUCTS › FoamKill
Foamkill 649: This non-silicone defoamer is ideal for paper coating or other paper-related uses that require non-silicone formulations. It is highly compatible ...Read more
Non Silicone Defoamers in the Paper Industry
Romakk Silicones
https://romakksilicones.com › Silicone for Antifoams
Romakk Silicones
https://romakksilicones.com › Silicone for Antifoams
Sep 16, 2025 — Optimize paper manufacturing with non silicone defoamers for efficient foam control, cost savings, and superior product quality.
US5538668A - Antifoam composition for aqueous starch ...
Google Patents
https://patents.google.com › patent
Google Patents
https://patents.google.com › patent
A composition and method for controlling foam in the coating solution of a papermaking operation consisting of a polyether surfactant and polyethoxylated ...
