摘要
为进一步提高颜料亚微胶囊涂料印花织物的手感、透气性等服用性能,通过原位细乳液共聚合将端乙烯基聚二甲基硅氧烷(ViPDMS)引入聚丙烯酸酯(PAcr)胶囊壁材中,制得颜料亚微胶囊P(DMS-Acr)/PB;再将其用于织物涂料印花,并对印花织物的透气性、硬挺度、耐干湿摩擦牢度、K/S值等进行测试比较。结果表明:当ViPDMS质量分数为30%时,可制得平均粒径为318 nm、放置均匀稳定的深色胶乳;P(DMS-Acr)/PB印花织物的耐干湿摩擦牢度和K/S值与PAcr/PB印花织物相近,但透气性更好,手感更柔软;在亚微胶囊壁材中引入高柔顺性的有机硅组分,可增强焙烘过程中织物表面涂层的黏流分相能力。
In order to further improve the handle feeling, permeability and other performance of the fabric printed by the organic pigment submicron capsules, vinyl-terminated polydimethylsiloxane(ViPDMS) was co-polymerized with acrylic monomer(Acr) by miniemulsion polymerization, and a series of P(DMS-Acr)/PB submicron capsules were prepared. Then the P(DMS-Acr)/PB submicron capsules with high viscous flowability were used for the pigment printing of polyester plain weave fabric, and the air permeability, stiffness, dry and wet rubbing fastness and K/S values of the printed fabric were tested and compared. The results show that when the mass fraction of ViPDMS is 30%, a uniform and stable dark latex with an average particle size of 318 nm can be obtained. The K/S values and the dry and wet rubbing fastness of the fabric printed by the P(DMS-Acr)/PB submicron capsules are similar with these of the PAcr/PB printed fabric, while the air permeability and the fabric stiffness are much better than the later. It is considered that the introduction of the silicone composition into the submicron capsule wall material can significantly enhance the viscous flowability and the phase separation capability of the coating on the fabric surface during the baking process.
引文
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