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Low VOC (Volatile Organic Compound) waterborne polyurethane dispersions (PUDs) are sustainable, high-performance, water-based coatings for leather goods, offering excellent durability, flexibility, and abrasion resistance while minimizing hazardous emissions. Common in topcoats, they offer soft-touch, matte, or gloss finishes—often using aliphatic structures for weather resistance or carbonate segments for durability.
Key Features and Benefits
- Environmental Impact: Low-VOC, often NMP-free (N-Methyl-2-pyrrolidone) and APEO-free (Alkylphenol ethoxylates), reducing hazardous pollutants.
- Performance: Provides superior hydrolysis resistance, high abrasion endurance (e.g., Gakushin/MIE tests), and soft handle (hand feel).
- Applications: Ideal for garment leather, handbags, automotive upholstery, and shoe finishes.
- Application Method: Suitable for roll-coating, spraying, or curtain-coating, often diluted with de-ionized water.
Popular Low-VOC Leather PUD Options
- UNITHANE IC-806 SF: Soft, medium gloss, solvent-free dispersion.
- UNITHANE JMP: Matte finishing agent for high-performance leather.
- CHEMTAN® PU-88: Aliphatic, semi-soft emulsion for shoes and upholstery.
- Quaker Color PR-1238/PR-1245: NMP-free, durable, and flexible coatings.
- DIC Waterborne Urethane Resins: Including WLS-201/WLS-250, often used for synthetic/artificial leather surfaces.
These systems typically work best with polycarbonate or aliphatic polyester structures to maintain high-end soft-touch finishes without stickiness.
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Web results
Preparation and application of waterborne cellulose ...
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
by J Zhang2024Cited by 10 — When applied to leather finishing, the WCDA/WPU nanocomposite emulsion improves air and water permeability by 205.9 % and 40.1 % respectively. Water absorption ...Read more
People also ask
What are the drawbacks of polyurethane leather?
Cons of PU Leather:
It isn't breathable and may smell of plastic or chemicals. It's prone to cracking and tearing and lacks the durability of real leather. Unlike genuine leather, PU doesn't develop a patina over time. Some PU products may include leftover animal leather, so not all are fully vegan.Jan 14, 2026
It isn't breathable and may smell of plastic or chemicals. It's prone to cracking and tearing and lacks the durability of real leather. Unlike genuine leather, PU doesn't develop a patina over time. Some PU products may include leftover animal leather, so not all are fully vegan.Jan 14, 2026
PU Leather: What Is It & Is It Bad? (2026 Update) - Von Baer bags
Von Baer bags
https://vonbaer.com › blogs › blog › pu-leather
Von Baer bags
https://vonbaer.com › blogs › blog › pu-leather
Does PU leather release microplastics?
Environmental Impact – PU leather and PVC leather require intensive industrial processes that contribute significantly to pollution, deforestation, and carbon emissions. Unlike real leather, which is biodegradable, synthetic leather lingers in landfills for decades, releasing toxic microplastics into the ecosystem.May 29, 2025
Fake Leather Uncovered: What You Need to Know About Faux Materials
Bigardini
https://bigardini.com › blogs › news › fake-leather-unco...
Bigardini
https://bigardini.com › blogs › news › fake-leather-unco...
Web results
Waterborne polyurethane resin for leather top coating
Sinograce Chemical
https://www.sinogracechem.com › blog › waterborne-pol...
Sinograce Chemical
https://www.sinogracechem.com › blog › waterborne-pol...
Apr 10, 2025 — Waterborne polyurethane resin is the main material commonly used in leather coating. Its film forming performance is good, the bond is firm, and ...Read more
Leather / Textile Surface Coating Supplier & Manufacturer
runxinlianchem.com
https://www.runxinlianchem.com › category › leather-te...
runxinlianchem.com
https://www.runxinlianchem.com › category › leather-te...
This Water-borne Polycarbonate Polyurethane Dispersion meets stringent international environmental regulations with minimal VOC content, making it particularly ...Read more
Water-Based Polyurethanes for Synthetic Leather
SIWO US
https://www.siwo-us.com › water-based-polyurethanes-fo...
SIWO US
https://www.siwo-us.com › water-based-polyurethanes-fo...
Water-based synthetic leather has the advantages of environmental protection, free of harmful chemicals, abrasion resistance, cold resistance, breathability ...Read more
Technical Control Bio-based Polyurethane Dispersion
Technical Control
https://www.techcrl.com › lead-to-more-sustainable-leath...
Technical Control
https://www.techcrl.com › lead-to-more-sustainable-leath...
Aug 3, 2023 — BIO-PU Series is based on water-based polyurethane technology, which can significantly reduce VOC emissions and lower environmental impact ...Read more
Polyurethane Resins | Business & Products
DIC Corporation
https://www.dic-global.com › ... › Functional Products
DIC Corporation
https://www.dic-global.com › ... › Functional Products
Water-based polyurethane resin (polyurethane dispersion/PUD). This environmentally friendly product contributes to low VOCs. · Non-Solvent urethane resins.Read more
How to get high quality PU artificial leather?
Deltachem(Qingdao) Co.,Ltd.
https://en.deltachem.net › ...
Deltachem(Qingdao) Co.,Ltd.
https://en.deltachem.net › ...
Sep 5, 2024 — PU artificial leather has beautiful luster, is not easy to mold and insect, and is closer to natural leather than ordinary artificial leather.Read more
Missing: Emulsion Goods
Recent advances concerning polyurethane in leather ...
Springer Nature Link
https://link.springer.com › Collagen and Leather
Springer Nature Link
https://link.springer.com › Collagen and Leather
by J Liu2023Cited by 52 — Nowadays, WPUs have been widely used in leather industry, due to their low VOCs (volatile organic compounds) content, non-flammability and not ...Read more
Ecological leather finishes formulated with polyurethane ...
Leather International
https://www.leathermag.com › analysis › ecological-leath...
Leather International
https://www.leathermag.com › analysis › ecological-leath...
Sep 19, 2001 — They enable high-performance leather finishes to be formulated without causing any unnecessary harm to the environment.Read more
Preparation method of non-ionic waterborne polyurethane ...
Google Patents
https://patents.google.com › patent
Google Patents
https://patents.google.com › patent
The invention relates to a method for preparing non-ionic water-based polyurethane-polyacrylate composite emulsion for leather finishing.