Journal of Textile Research ›› 2022, Vol. 43 ›› Issue (03): 103-109.doi: 10.13475/j.fzxb.20200903107

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Preparation and performance of allyl polyalkoxy epoxy ether

YANG Zhensheng1,2(), WANG Bingshuai2   

  1. 1. School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, Liaoning 111003, China
    2. Liaoning Kelong Fine Chemical Co., Ltd., Liaoyang, Liaoning 111013, China
  • Received:2020-09-15 Revised:2021-12-30 Online:2022-03-15 Published:2022-03-29

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Abstract:

Targeting at the poor reactive activity in preparing terpolymer block silicone oil caused by high contents of catalyst,potassium and sodium ions in allyl polyalkoxy epoxy ether, the preparation of allyl polyalkoxy epoxy ether without transfer catalyst was studied. The structure of the product was characterized, and the effect of preparation conditions on pH value and epoxy index of the product were analyzed. Terpolymer block silicone oil was prepared from it and was used to soften the fabric. And hydrophilicity, hand feeling, physical and mechanical properties of finished fabric were studied. The results show that when the molar ratio of raw material allyl polyoxyethylene oxide/ECH/sodium hydroxide is 1∶2.5∶1.5 and the amount of glacial acetic acid added is 1.1 times that of excessive base, the epoxy index is 1.77 mol/kg, the pH value is less than 7, and the content of potassium and sodium ions is reduced to less than 5 μg/g after refining. And the fabric has good hydrophilicity after finishing with silicone oil. The capillary effect reaches 7.3 cm and the fabric handle reaches grade 4.7 when the finishing liquid mass concentration is 30 g/L, and the overall performance of the fabric is improved.

Key words: softening agent, terpolymer block silicone oil, allyl polyalkoxy epoxy ether, non-phase-transfer, capillary effect, hydrophilicity

CLC Number: 

  • TS101

Fig.1

Effect of phase transfer catalyst on epoxy index"

Fig.2

Phase transfer process of reactants"

Tab.1

Effect of reaction material molar ratio on epoxy index of product"

序号 反应原料的量/mol 环氧指数/
(mol·kg-1)
烯丙基聚氧乙烯醚 环氧氯丙烷 氢氧化钠
1 0.10 0.10 0.10 0.73
2 0.10 0.15 0.10 1.13
3 0.10 0.20 0.10 1.35
4 0.10 0.25 0.10 1.51
5 0.10 0.25 0.12 1.63
6 0.10 0.25 0.15 1.77
7 0.10 0.30 0.15 1.78
8 0.10 0.30 0.20 1.78

Tab.2

Effect of acetic acid content on pH value and unsaturation degree of product"

序号 冰醋酸的量/mol 产物pH值 产物不饱和度/(mol·kg-1)
1 0.000 8.6 1.75
2 0.040 7.5 1.75
3 0.045 7.3 1.74
4 0.050 7.1 1.74
5 0.055 6.7 1.74
6 0.060 6.5 1.73
7 0.064 6.4 1.73

Tab.3

Effect of phosphoric acid content on pH value and unsaturation degree of product"

序号 磷酸的量/mol 产物pH值 产物不饱和度/(mol·kg-1)
1 0.000 8.6 1.75
2 0.013 7.8 1.75
3 0.015 7.7 1.73
4 0.017 7.4 1.65
5 0.018 7.3 1.62
6 0.020 7.1 1.60
7 0.022 7.1 1.59

Fig.3

Side reaction process of phosphoric acid and allyl polyalkoxy epoxy ether"

Tab.4

Effect of distilled water and adsorbent on content of K+and Na+"

序号 蒸馏水质
量分数/%		 吸附剂质
量分数/%		 K+含量/
(μg·g-1)		 Na+含量/
(μg·g-1)
1 0 0 103 130.0
2 3 0.10 23 31.0
3 4 0.15 9 7.0
4 5 0.15 4 3.0
5 5 0.20 1 0.6

Fig.4

IR spectrum of allyl polyalkoxy epoxy ether"

Fig.5

H-NMR spectra of allyl polyalkoxy epoxy ether"

Fig.6

Effect of concentration of finishing liquid on fabric hydrophilicity"

Tab.5

Comparison of finishing and grading effects of terpolymer block silicone oil emulsions prepared with different hydrogen-containing silicone oils"

整理液质量浓度/
(g·L-1)		 手感评级/级
整理液a 整理液b
0 2.8 2.8
10 3.9 4.3
20 4.3 4.7
30 4.7 4.9
40 4.7 4.9

Tab.6

Basic physical and mechanical properties of fabrics by KES tests"

样品 LT WT RT G 2HG 2HG5 B 2HB LC WC RC T0 W MIU MMD SMD
1 0.751 3 11.254 42.856 1.854 3.140 6.954 0.073 6 0.072 1 0.706 3 0.186 4 48.64 0.453 6 6.92 0.135 4 0.013 2 3.864 2
2 0.695 3 10.981 54.169 1.346 0.914 2.169 0.026 4 0.025 1 0.272 1 0.164 9 46.84 0.450 1 6.95 0.086 2 0.013 2 1.468 1
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