青島琳可工貿(mào)有限公司

THYON OX787

Hydroxyl functional acrylic polyol羥基官能團的丙烯酸多元醇

Description 描述

Polyol designed for use in polyurethane manufacturing for printing ink and coatings. Its high solubility with a wide range of solvents enhances the compatibility of the PU with other components of printing ink and coating formulations.

丙烯酸多元醇為印刷油墨和涂料制造中使用的聚氨酯所設計。它具有在寬范圍的溶劑中的溶解度高，增強印刷油墨及涂料配方與其它組分的相容性的PU。

Characteristic and Benefits特點和優(yōu)勢

• Excellent gloss, gloss retention & durability.出色的的光澤度，光澤保持性和耐用性
• Good chemical and solvent resistance.良好的耐化學性和耐溶劑性
• High quality protective coatings.高品質(zhì)的保護涂層

Typical Properties典型值

These properties are typical values but do not constitute specifications.

Solubility of THYON OX787 溶解性

The following chart shows the viscosity when various solvents are used to cut THYON OX787 into solution.下面的圖表顯示THYON OX787在各種溶劑中的溶液切割粘度

Butylacetate -----: 醋酸丁酯 , MEK----:甲乙酮 , Xilene---:二甲苯 

PM acetate--- :丙二醇單甲醚乙酸酯 , toluene ----: 甲苯

Performance properties性能特點

2495. Characteristics固化/干特性: The following chart shows the typical drying time/cure rate of white topcoat formulations based on THYON OX787. Evaluations of Gardner Circular Dry Times are very interesting. The dry times will normally lie somewhere within the area plotted on the chart below. Pot life was determined with a recording Brookfield viscometer and is defined as the time required to double the initial viscosity of approximately 250 centipoise. The pot life will normally be between 4 and 8 hours when measured by this method.

• THYON OX787的配方做的白面漆典型的干燥時間/固化率。評估“加德納通函干燥時間”是非常有趣的 。干燥時間通常介于下面的圖表上繪制的區(qū)域內(nèi)。用記錄Brookfield粘度計測定混合后使用時間，被測定為同一的時間內(nèi)兩倍初始粘度為約250厘泊。固化一般會在4小時和8小時之間時，用這種方法測量。

542. Durability紫外線耐久性: Q gloss retention results were obtained using UVB-313 bulbs with 4 hours of light at 60°C followed by 4 hours of condensation at 40°C.

QUV光澤保持率的結果表明，用UVB-313燈泡在60℃下用4個小時的光，在40℃下隨后的4個小時的縮合。

Formulation Tips配方技巧

» Crosslinker交聯(lián)劑: For maximum gloss retention properties, aliphatic isocyanates are recommended. Also the Trimer or Biuret versions of hexamethylene diisocyanate can be used.

A ratio of 1.05: 1 of isocyanate to hydroxyl is normally recommended in the industry.

為了獲得最大的光澤保持性，推薦使用脂肪族異氰酸酯。也可用于微調(diào)或六亞甲基二異氰酸酯縮二脲版本。工業(yè)上異氰酸酯與羥基通常建議的比率為1.05：1。

» Solvent: 溶劑 Ketone solvents will give the best viscosity –VOC due to a combination of good solvency and low density. Aromatics such as xylene and toluene provide good solvency and can be readily used in combination with the more polar solvents. Glycol ether acetates can be used but normally do not provide low viscosity/VOC. PM-Acetate should be avoided due to its film retention characteristics. Avoid alcohols and glycol ethers; their hydroxyl functionality can react with the isocyanates. 

酮類溶劑將給予最好的粘度-揮發(fā)性有機化合物，由于良好的償付能力和低密度的組合。芳烴如二甲苯和甲苯提供了很好的溶解性和極性較大的溶劑，可以容易地組合使用。乙二醇醚乙酸酯，可以使用，但通常不提供低粘度/ VOC。 PM-醋酸應避免由于其膜層保留特性。避免醇及乙二醇醚，它們的羥基官能團可以與異氰酸酯反應。

» Catalysis催化劑 : Catalysis with 0.005% dibutyltin dilaurate on total binder solids is normally recommended. Higher catalyst levels will result in shorter pot lives and faster cure rates.

催化劑月桂酸二丁基錫推薦用量占總固含的0.005％，更高的的催化劑添加量將導致在較短反應活性和更快的固化率。