Textile size and preparation method thereof
A technology of textile pulp and pulp, which is applied in the direction of textiles and papermaking, fiber treatment, plant fiber, etc. It can solve the problem that the performance is difficult to meet the production needs, the adhesion of chemical fiber blended yarn is poor, and the development of combined pulp has not made a breakthrough And other problems, to achieve good biodegradability, good compatibility, improve the effect of opening definition and fabric efficiency
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Embodiment 1
[0027] Embodiment 1: The animal glue selected in this example is gelatin, the modified starch selected is cationic starch, and the high-efficiency auxiliary agent selected is fatty alcohol polyoxyethylene ether.
[0028] Preparation of modified animal glue:
[0029] The succinic anhydride activation method is used to activate polyethylene glycol, that is, monomethoxypolyethylene glycol and succinic anhydride are mixed in a molar ratio of 3:1, reacted at 37 ° C for 48 hours, and then the modified agent is mixed with gelatin in a molar ratio Mix 10:1, react at pH 7, 4°C for 60 minutes. High-efficiency column chromatography was used for product separation and purification.
[0030] High-performance slurry compounding: fully mix in a double-helix conical mixer according to the ratio of polyethylene glycol-modified gelatin: cationic starch: lauryl polyoxyethylene ether = 5: 85: 10 (percentage by weight), and pack the finished product.
[0031] The following performance tests were...
Embodiment 2
[0033] Embodiment 2: the selected animal glue of this example is bone glue, the selected modified starch is acetate starch, and the selected high-efficiency auxiliary agent is chitosan.
[0034] Preparation of modified animal glue:
[0035] N-hydroxysuccinimide activation method was used to activate polyethylene glycol, that is, monomethoxypolyethylene glycol and N-hydroxysuccinimide were mixed in a molar ratio of 3.2:1, and reacted at 25°C for 72 hours, and then Mix the prepared modifier with bone glue in a molar ratio of 9:1, react at pH 6.5 and 0°C for 45 minutes. High-efficiency column chromatography was used for product separation and purification.
[0036] High-performance slurry compounding: in double-helix conical mixer, modify bone glue by polyethylene glycol: acetate starch: chitosan (86.7% substitution degree, 1,000,000 molecular weight)=6: 89: 5 ratio (weight percent ) are fully mixed, and the finished product is packaged.
[0037] The following performance test...
Embodiment 3
[0039] Embodiment 3: The selected animal glue of this example is gelatin, the selected modified starch is phosphate ester starch, and the selected high-efficiency additives are fatty alcohol polyoxyethylene ether and high-ester pectin.
[0040] Preparation of modified animal glue:
[0041] Use succinic anhydride, N-hydroxysuccinimide one-step activation method to activate polyethylene glycol, that is, monomethoxypolyethylene glycol is mixed with succinic anhydride and N-hydroxysuccinimide in a molar ratio of 5:1:1 , reacted at 20° C. for 24 hours, then mixed the prepared modifier and gelatin in a molar ratio of 11:1, reacted at pH 7, 4° C. for 50 minutes. High-efficiency column chromatography was used for product separation and purification.
[0042] Compounding of high-performance slurry: modify gelatin by polyethylene glycol in a double-helix conical mixer: starch phosphate: polyoxyethylene lauryl ether: pectin (60% degree of esterification)=5: 90: 4: 1 ratio (percentage b...
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