【摘要】：目的研究顏料協(xié)同作用對(duì)裝飾原紙性能的影響,達(dá)到改善紙張表面結(jié)構(gòu)、優(yōu)化其物理性能的目的。方法優(yōu)選闊葉木漿和針葉木漿(有效成分的絕對(duì)質(zhì)量比為4∶1)混合打漿至打漿度(SR)38°,再添加二氧化鈦填料、PAM、PAE、硫酸鋁等抄造裝飾原紙;以PVA、陽離子淀粉為膠黏劑,加以蒸餾水、顏料(TiO_2分別與Al_2O_3,Clay,Al_2SiO_5,SiO_2協(xié)同)、分散劑、消泡劑、潤滑劑、保水劑制備用于裝飾紙表面用涂料,采用涂布機(jī)和壓光機(jī)對(duì)原紙進(jìn)行涂布?jí)汗?之后浸漬壓板,采用凹版進(jìn)行印刷,探究顏料復(fù)配涂布對(duì)原紙涂層結(jié)構(gòu)和印刷適性作用。結(jié)果顏料協(xié)同改性中添加一定的SiO_2顏料有助于紙張表面被有效均勻地涂覆,并能觀察到細(xì)小的顏料顆粒,形成良好緊密涂層結(jié)構(gòu),裝飾原紙涂布含有SiO_2協(xié)同作用顏料后,吸水高度提高了135%,平滑度提高了130%,干抗張強(qiáng)度提高了175%,濕抗張強(qiáng)度提高了160%。印刷性能方面,協(xié)同改性添加SiO_2涂料涂布裝飾原紙?jiān)谙鄬?duì)較小的涂層厚度下紙張涂層具有良好的油墨接受性,有助于印刷油墨的吸收固著,進(jìn)而抑制網(wǎng)點(diǎn)擴(kuò)大和顏色整體階調(diào)再現(xiàn)范圍變大。結(jié)論顏料協(xié)同改性涂布添加SiO_2有助于改善裝飾原紙的物理性能和印刷適性。
[Abstract]:Aim to study the effect of pigment synergism on the properties of decorative base paper, to improve the surface structure of paper and optimize its physical properties. Methods Broad-leaved wood pulp and coniferous wood pulp (the absolute mass ratio of effective component was 4:1) were blended to beating degree (SR) 38 擄, then added titanium dioxide filler Pam Pae, aluminum sulfate and so on to make decorative base paper, PVA, cationic starch was used as adhesive agent, distilled water was distilled. Pigment (TiO_2, in cooperation with Al_2O_3,Clay,Al_2SiO_5,SiO_2), dispersant, defoamer, lubricant, water-retaining agent are used to prepare coatings for decorative paper surface. Coating machine and calender are used to coat the base paper, then impregnate the press board, and print with gravure. To explore the effect of pigment composite coating on base paper coating structure and printing adaptability. Results the addition of certain SiO_2 pigments to the co-modification of pigments can help the paper surface to be effectively and uniformly coated, and the fine pigment particles can be observed, forming a good tight coating structure. The decorative base paper coating contains SiO_2 synergistic pigment. The water absorption height was increased by 135, the smoothness increased by 130, the dry tensile strength increased by 175 and the wet tensile strength increased by 160. In the aspect of printing performance, the paper coating with synergistic modification and SiO_2 coating has good ink acceptability under relatively small coating thickness, which is helpful to the absorption and fixation of printing ink. Then restrain dot expansion and color overall tone reproduction range becomes larger. Conclusion pigment co-coating with SiO_2 is helpful to improve the physical properties and printing adaptability of decorative base paper.
【作者單位】： 天津科技大學(xué);
【基金】：天津市高等學(xué)校國家級(jí)大學(xué)生創(chuàng)新創(chuàng)業(yè)訓(xùn)練計(jì)劃(201510057013)
【分類號(hào)】：TS727

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