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AU-100 Trifunctional Aziridine Crosslinker/hardener for Protective Film
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| Post Date: | Aug 16,2018 |
| Expiry Date: | Aug 16,2019 |
| Detailed Description: |
AU-100 Trifunctional Aziridine Crosslinker
Description: Crosslinker AU-100 is a 100% active, polyfunction aziridine liquid crosslinker. Addition of 1-3% to water based acrylic emulsions or urethane dispersions produces a marked improvement in water, chemical, abrasion and humidity resistance and enhances adhesion to specific substrates. Crosslinker AU-100 is room temperature reactive and therefore can be used under air and forced drying conditions. Specification: Type: polyfunctional aziridine crosslinker Appearance: Colorless to light yellow transparent liquid Total solids (w/w%):>99% Molecular Formula & Weight: C24H41N3O6;467.67 CAS NO.: 64265-57-2 Viscosity: 150-250cps @25℃ Density: 1.08kg/L @20℃ Stability: 12-18 months @20℃ Flash point: >100℃ Freezing point: <-15℃ Application: In water based parquet lacquers to improve water, alcohol, detergent chemical and abrasion resistance. In water based industrial wood, plastic and metal coatings to increase water, alcohol and block resistance. In vinyl coatings to reduce plasticizer migration and improve stain resistance. In water based concrete sealers to improve abrasion resistance. Generally, to improve adhesion of water based systems to non-polar substrates In solvent based polymers to increase resistance properties. In water based printing inks to improve water and detergent resistance. Formuiating Guidelines: Crosslinker AU-100 is a tri-functional material that crosslinks polymers with reactive carboxyl functionality. Typical addition levels of AU-100 necessary to fully Crosslink acrylic emulsions and urethane dispersions are 2% and 3% respectively. AU-100 should be added to lacquers, paints, or inks prior to use and due to its excellent water miscibility it can be stirred in by using a 1:1 premix of AU-100 and water. In water borne formulations, AU-100 will slowly hydrolyse and blends should therefore be used within 3-5 days after preparation. The hydrolised products have no adverse effects on the emulsions or on the dried films, and additional crosslinker may be added to restore reactivity Solvent based systems modified by the addition of AU-100 must be used within 5 days because they tend to thicken and may be gel within 2 weeks. Handling: Care must be taken to avoid any contact with the skin and eyes. When used in spray applications particular care must be taken to avoid oral and/or nasal ingestion by wearing a suitable respirator when handing AU-100 it is desirable to prevent inhalation of vapors by proper ventilation or respirator use. Package & Storage: 5Kg/plastic drum, 4drums/carton, 25kg/steel drum with inner plastic pails. Store in a cool, dry, dark place. If stored under conditions of excessive heat for extended periods the material may discolour deteriorate and gel. SHANGHAI GENGAO INTERNATIONAL TRADE CO.,LTD. |
| Company: | Shanghai Gengao International Trade Co.,Ltd. [ China ] |
| Contact: | Maggie |
| Tel: | +86-21-61032629 |
| Fax: | |
| Email: | au20202020@yeah.net |
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