本文關鍵詞： 藍色中性墨水 顏料種類 分散樹脂 堿溶脹型增稠劑 表面活性劑　出處：《太原理工大學》2017年碩士論文　論文類型：學位論文

【摘要】：中國中性筆生產(chǎn)與銷售全球第一,雖是制筆大國但非制筆強國,由于國內(nèi)對中性墨水研發(fā)技術認知的淺薄,高端產(chǎn)品仍依賴進口。因此,加強自主研發(fā)、技術創(chuàng)新,對實現(xiàn)中性墨水全面國產(chǎn)化是至關重要的。本文以課題組探究黑色中性墨水經(jīng)驗為基礎,先對中性筆及墨水的基礎認知、組成部分、實驗背景等進行綜述,分析現(xiàn)階段中性墨水研發(fā)中重難點:顏料基體系酞菁藍顆粒分散穩(wěn)定化、優(yōu)化體系流變參數(shù)以及中性墨水書寫性能。藍色顏料的選擇是制備中性墨水的重要步驟,其種類和添加量與酞菁藍色漿和中性墨水分散穩(wěn)定性有直接關聯(lián)。以α和β晶型的酞菁藍(15、15:1、15:2、15:3、15:4)為著色劑,研究不同類型酞菁藍色漿體系的粒徑分布及分散穩(wěn)定性。將以上不同類型酞菁藍色漿進行墨水的調(diào)配,研究其書寫性能及分散穩(wěn)定性。同時,綜合實驗結(jié)果,選取性能較佳的酞菁藍15:3,探究不同添加量與中性墨水的流變參數(shù)(表觀粘度、觸變值、觸變環(huán)面積及屈服應力)間的關系,考察墨水的分散穩(wěn)定性。結(jié)果表明:以酞菁藍15:3為著色劑,其添加量為7.5%時,顏料色漿和墨水性能最佳。顏料的分散穩(wěn)定性很大程度上取決于分散樹脂的優(yōu)選,其不同添加量將直接影響顏料粒徑大小及分散與墨水體系穩(wěn)定性。以色漿和墨水為考察對象,研究不同顏基比對兩體系性能的作用。色漿方面,探究不同顏基比下,色漿粒徑隨研磨時間的變化規(guī)律,考察色漿的分散穩(wěn)定性。墨水方面,探究不同顏基比下,流變參數(shù)(表觀粘度、觸變值)與增稠劑添加量之間的關系。結(jié)果表明:顏基比3:1時,色漿與墨水性能最佳。針對全針管型墨水性能的提升,本文在兩種影響較高觸變值的顏基比的條件下,通過以兩種疏水改性丙烯酸堿溶脹型增稠劑復合增稠,研究增稠劑添加量對中性墨水流變參數(shù)(觸變環(huán)面積、屈服應力)的影響。利用高速離心和恒溫加熱實驗,從流變性與粒子分散穩(wěn)定性兩方面探究顏基比與復配增稠劑的最優(yōu)配比。結(jié)果表明:當顏基比3:1,添加w(ALCOGUARD5800)=0.4%和w(T-938)=1.0%復配時,墨水固液分離程度小,微觀分散均勻;分散樹脂與增稠劑間達到穩(wěn)定的吸附與脫附動態(tài)平衡狀態(tài),墨水的穩(wěn)定性較好。表面活性劑有利于顏料的潤濕、分散及改善墨水書寫性能。本文以不同HLB值的表面活性劑為實驗對象,考察墨水中引入單一和復合表面活性劑不同含量與體系流變參數(shù)(表觀粘度、觸變值)的關系。同時,探究不同種類表面活性劑與穩(wěn)定化間的作用,建立穩(wěn)定性與書寫性能之間的相關性。結(jié)果表明:當墨水體系添加w(OP-7)=0.4%,w(OP-20)=0.4%時,墨水流變性能及書寫性能與米庫尼相當。
[Abstract]:China's neutral pen production and sales in the world, although a large country, but not pen making power, due to the shallow understanding of neutral ink R & D technology, high-end products still rely on imports. Therefore, strengthen independent research and development. Technical innovation is very important to realize the complete localization of neutral ink. This paper is based on the research of the experience of black neutral ink, first of all, the basic cognition of neutral pen and ink, component. The experimental background and so on were reviewed, and the important difficulties in neutral ink research and development at present were analyzed: dispersion and stabilization of phthalocyanine blue particles in pigment based system. The selection of blue pigment is an important step in the preparation of neutral ink. The species and addition amount of phthalocyanine blue pulp and neutral ink are directly related to the dispersion stability of phthalocyanine blue paste and neutral ink. The coloring agent is 15: 15: 1 15: 2 15: 3 15: 4) of the 偽 and 尾 crystalline forms of phthalocyanine blue. The particle size distribution and dispersion stability of different phthalocyanine blue pulp systems were studied. The ink blending of different phthalocyanine blue pulp was carried out to study its writing performance and dispersion stability. At the same time, the experimental results were synthesized. The optimum phthalocyanine blue (15: 3) was selected to study the relationship between the rheological parameters (apparent viscosity, thixotropic value, thixotropic ring area and yield stress) of neutral ink. The dispersion stability of the ink was investigated. The results showed that when 15: 3 phthalocyanine blue was used as colorant, the addition amount was 7.5%. Pigment pulp and ink properties are the best. The dispersion stability of pigment depends on the selection of disperse resin to a great extent. The particle size and dispersion of pigment and the stability of ink system will be directly affected by the different addition amount of pigment. The effects of different pigment / base ratio on the properties of the two systems were studied. To explore the change of particle size with grinding time under different ratio of face to base, to investigate the dispersion stability of color pulp. In ink, to explore the rheological parameters (apparent viscosity) under different ratio of face to base. The relationship between thixotropic value and thickener content. The results show that the best performance of color paste and ink is obtained when the ratio of face to face is 3: 1. The performance of the whole needle tube ink is improved. In this paper, the rheological parameters of neutral ink (thixotropic ring area) were studied by using two hydrophobic modified acrylic acid base swelling thickening agents under the condition of two kinds of effects of higher thixotropic value on the rheological parameters of neutral ink. By means of high speed centrifugation and constant temperature heating experiments, the optimum ratio of the compound thickener and the ratio of the compound thickener was studied from the aspects of rheology and particle dispersion stability. The results showed that the ratio of the two components was 3: 1. When adding 0.4% of ALCOGUARD5800% and 1.0% of WCT-938C, the solid-liquid separation degree of ink is small and the microcosmic dispersion is uniform. The stable adsorption and desorption dynamic equilibrium state was achieved between disperse resin and thickener, and the stability of ink was good. The surfactant was beneficial to the wetting of pigment. Dispersion and improvement of ink writing performance. In this paper, the different contents of single and composite surfactants and the rheological parameters (apparent viscosity) of the ink were investigated by using different surfactants with different HLB values. The relationship between thixotropic values). At the same time, explore the role of different types of surfactants and stabilization. The correlation between stability and writing performance was established. The results showed that when the ink system was added wo OP-7 / 0. 4, wo OP-20 = 0. 4. The rheological and writing properties of the ink are comparable to those of Mikuni.
【學位授予單位】：太原理工大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TS951.23

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