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Textile size for PVA-free sizing of medium-and-high-count pure cotton fabric warps

A technology for pure cotton fabrics and textile sizing, applied in textiles and papermaking, plant fibers, wear-resistant fibers, etc., can solve the problems of difficult desizing wastewater, difficult biodegradation, poor desizing performance, etc., and achieve improved durability Abrasiveness and hairiness conformity, less slumping and strong adhesion

Active Publication Date: 2019-02-01
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although PVA size has excellent sizing performance, its desizing performance is poor, biodegradation is difficult, and desizing wastewater is difficult to treat, which will cause serious pollution to the environment.

Method used

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  • Textile size for PVA-free sizing of medium-and-high-count pure cotton fabric warps
  • Textile size for PVA-free sizing of medium-and-high-count pure cotton fabric warps
  • Textile size for PVA-free sizing of medium-and-high-count pure cotton fabric warps

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: the performance of slurry

[0032] Prepare the slurry of three different formulations (all are mass percent, starch is wheat starch):

[0033] Formula ①: 50% starch, 25% gum arabic, 10% pectin, 10% polyacrylic acid-acrylamide copolymer slurry and 5% vegetable oil;

[0034] Formula ②: 40% starch, 30% gum arabic, 15% pectin, 10% polyacrylic acid-acrylamide copolymer slurry and 5% vegetable oil;

[0035] Formula ③: 30% starch, 37% gum arabic, 20% pectin, 10% polyacrylic acid-acrylamide copolymer slurry and 3% vegetable oil.

[0036] Its performance is as follows:

[0037] (1) Viscosity characteristics of slurry

[0038] ① thermal stability of viscosity

[0039] The viscosity stability of the three formulations was tested at 95°C after complete gelatinization / dissolution, and the results are shown in Table 1. It can be seen from the data in the table that the slurry viscosity of the three formula slurries decreases with the increase of the holding time at...

Embodiment 2

[0067] Three representative and difficult pure cotton fine-gauge high-density fabrics were selected for production and application, and a satisfactory sizing effect was achieved.

[0068] (1) Serum formula

[0069] Table 7 is the slurry formula of the production process. It can be seen that PVA is not used in the new formula, but 25-32.5kg of PVA will be used in the original formula.

[0070] Table 7 Serum formulation

[0071]

[0072] (2) Sizing process

[0073] The sizing is carried out on the Karl Mayer double sizing machine, and Table 8 shows the sizing process.

[0074] Table 8 Sizing process

[0075]

[0076] In the sizing process, the sizing with the new formula has good fluidity, stable viscosity, no foaming, brisk skeining, less sizing and cotton falling, smooth and soft hand feeling, good hairiness and no fuzziness during the sizing process. The sizing roller and the sizing roller are wound around the yarn.

[0077] (3) Sizing performance

[0078] Table 9...

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Abstract

The invention discloses a textile size for PVA-free sizing of medium-and-high-count pure cotton fabric warps, and belongs to the field of textiles. The size comprises 30-50 wt% of starch and 50-70 wt%of assistants, and the assistants comprise 30-60 wt% of Arabic gum, 20-40 wt% of pectin, 10-20 wt% of polyacrylic acid-acrylamide and 4-10 wt% of botanical oil. The size has strong adhesion to cottonfiber, viscose glue and other cellulose fiber yarns, makes yarns be soft and smooth and have few reborn fluffs, less size falling and good desizing performance, can completely replace PVA sizing in sizing of 30 to 60 medium-and-high-count pure cotton fabric warps, and obtained sized yarns are soft and smooth, and have few reborn fluffs, less size falling, good weavability and a high blooming efficiency reaching 92% or above.

Description

technical field [0001] The invention relates to a textile size used for warp yarns of medium and high-count pure cotton fabrics without PVA sizing, and belongs to the field of textiles. Background technique [0002] Warp sizing is a key process in textile production, and the sizing effect directly determines weaving efficiency and product quality. Among the three types of textile sizes commonly used in textiles, starch, PVA, and polyacrylic acid, the environmental protection of starch ranks first, but its biggest and most obvious disadvantage is that the size film is brittle and hard, and it is easy to fall off. The adhesion is not strong enough. Therefore, in the warp yarn sizing of the middle and high count pure cotton fabrics of 30-60 at present, in order to guarantee the effect of warp yarn sizing and the weaving efficiency of loom, also need to add the PVA size of 20%-30%. Although PVA size has excellent sizing performance, its desizing performance is poor, biodegrada...

Claims

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Application Information

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IPC IPC(8): D06M15/03D06M15/263D06M15/285D06M13/224D06M15/11D06M101/06
CPCD06M13/2246D06M15/03D06M15/11D06M15/263D06M15/285D06M2101/06D06M2200/35D06M2200/40
Inventor 范雪荣高卫东王强徐进傅佳佳吴燕
Owner JIANGNAN UNIV
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