阅读说明：本技术 一种超仿棉毛毯及其制备方法 (Super cotton-like blanket and preparation method thereof ) 是由 秦莉 孙强 李国强 于 2020-07-01 设计创作，主要内容包括：本发明提供了一种超仿棉毛毯及其制备方法,所述的超仿棉毛毯采用超仿棉聚酯FDY丝作为面丝,横截面呈“十”字形且表面带有微孔的涤纶FDY丝作为底丝制成；其制备步骤包括：经编织造→烫光→定型→印花→高压蒸化固色→功能整理→水洗→烘干→花坯烫剪→裁片与包边。本发明制得的超仿棉毛毯既具有纯棉毛毯良好的亲水吸湿、丰满柔软、保暖舒适等特性,又具有涤纶毛毯优异的耐热、耐磨、耐洗、抗皱等力学性能。(The invention provides a super cotton-like blanket and a preparation method thereof, wherein the super cotton-like blanket is prepared by adopting super cotton-like polyester FDY yarns as surface yarns and polyester FDY yarns with cross-shaped cross sections and micropores on the surfaces as bottom yarns; the preparation method comprises the following steps: weaving → ironing light → sizing → printing → high pressure steaming fixation → functional finishing → washing → drying → ironing and shearing the flower blank → cutting piece and wrapping. The super cotton-like blanket prepared by the invention has the characteristics of good hydrophilic moisture absorption, fullness and softness, warm keeping and comfort and the like of a pure cotton blanket, and also has the excellent mechanical properties of heat resistance, wear resistance, washing resistance, crease resistance and the like of a polyester blanket.)

1. A preparation method of a super cotton-like blanket is characterized by comprising the following effective preparation steps of:

(1) warp knitting: the method comprises the following steps of (1) adopting super cotton-like polyester FDY yarns as face yarns, adopting polyester FDY yarns with cross-shaped cross sections and micropores on the surfaces as bottom yarns, and weaving into a blanket through warp knitting and weaving, wherein the weaving tension is 6-10 g, the workshop temperature is 20 +/-3 ℃, and the humidity is 60 +/-3%;

(2) ironing: ironing the woven blanket at 120-150 ℃ and at a cloth roller speed of 8-10 m/min;

(3) shaping: shaping the blanched blanket at the shaping temperature of 100-120 ℃ at the cloth roller speed of 12-16 m/min;

(4) printing: printing the blanket by adopting slurry prepared by a company, wherein the printing temperature is 60-80 ℃, the slurry contains dye, emulsion paste, a softening agent, a shrink-proof finishing agent, sodium carbonate and a dyeing auxiliary agent, the concentration of the dye is 2.0-2.2%, the concentration of the emulsion paste is 400-600 g/L, the concentration of the softening agent is 14-16 g/L, the concentration of the shrink-proof finishing agent is 18-20 g/L, the concentration of the sodium carbonate is 1.5-2.5 g/L, and the concentration of the dyeing auxiliary agent is 2-6 g/L;

(5) and (3) high-pressure steaming fixation: carrying out high-pressure steaming color fixation on the printed blanket, wherein the color fixation temperature is 110-150 ℃, the steaming time is 30-60 min, and the pressure is 0.2-0.3 Mpa;

(6) function arrangement: adopting a functional finishing agent containing nano metal oxide prepared by a company to perform functional finishing on the blanket by a one-bath method; the functional finishing agent consists of a nano metal oxide, a mildew preventive, a finishing auxiliary agent and water, wherein the concentration of the nano metal oxide is 30-35 g/L, the concentration of the mildew preventive is 15-20 g/L, the concentration of the finishing auxiliary agent is 8-12 g/L, the bath ratio is 1: 8-1: 10, and the finishing temperature is 70-90 ℃;

(7) washing with water: washing the blanket after functional finishing by adopting a 2-tank washing process, wherein the temperature of a 1 st washing tank is 20-30 ℃, the temperature of a 2 nd washing tank is 50-60 ℃, and an antistatic soft finishing agent is added into the 2 nd washing tank, wherein the antistatic soft finishing agent comprises a softening agent, an antistatic agent and a smoothing agent, the concentration of the softening agent is 10-20 g/L, the concentration of the antistatic agent is 8-12 g/L, and the concentration of the smoothing agent is 10-20 g/L;

(8) drying: the temperature is 70-90 ℃, and the cloth roller speed is 6-10 m/min;

(9) hot shearing of the flower blank: performing ironing and shearing on the dried blanket, wherein the ironing and shearing temperature is 110-130 ℃, the ironing and shearing temperature is 90-120 ℃, and the cloth roller speed is 8-10 m/min;

(10) cutting and edge covering: and cutting and wrapping the finished blanket to obtain the super cotton-like blanket, wherein the ironing and shearing temperature is 90-120 ℃, and the cloth roller speed is 8-10 m/min.

Technical Field

The invention relates to a super cotton-like blanket and a preparation method thereof, belonging to the technical field of textile materials.

Background

The blanket is a common bedding, and the single warm-keeping function of the blanket does not meet the use requirements of consumers along with the improvement of the living standard of people. The super cotton-like blanket is a high-quality household product, has the characteristics of good hydrophilic moisture absorption, fullness and softness, warm keeping and comfort and the like of a pure cotton blanket, and has the excellent mechanical properties of heat resistance, wear resistance, washing resistance, wrinkle resistance and the like of a polyester blanket. In recent years, super cotton-like polyester fibers (polyesteramide filaments) have been developed, but super cotton-like carpets prepared therefrom have not been reported publicly. The super cotton-like blanket not only can overcome the defects of poor wrinkle resistance, large shrinkage rate, no wear resistance, no washing resistance, no wrinkle resistance and the like of a pure cotton blanket, but also can overcome the defects of poor hydrophilicity, easy fluffing and pilling, poor moisture absorption and ventilation, hard hand feeling, difficult dyeing and the like of common polyester fibers, so that the super cotton-like blanket is certainly favored by consumers along with the development and application of products.

Disclosure of Invention

The invention aims to provide a super cotton-like blanket and a preparation method thereof, so that the blanket prepared by the method has the characteristics of good hydrophilic moisture absorption, fullness and softness, warm keeping and comfort and the like of a pure cotton blanket, and also has the excellent mechanical properties of heat resistance, wear resistance, washing resistance, crease resistance and the like of a polyester blanket.

In order to achieve the purpose, the invention provides a super cotton-like blanket which is made of super cotton-like polyester FDY yarns and polyester FDY yarns with cross-shaped cross sections and micropores on the surfaces.

In order to achieve the purpose, the invention provides a preparation method of the super cotton-like blanket, which comprises the following specific steps:

the first step is as follows: warp knitting: the method comprises the steps of taking super cotton-like polyester FDY yarns as face yarns, taking polyester FDY yarns with cross-shaped cross sections and micropores on the surfaces as bottom yarns, and weaving into a blanket through warp knitting and weaving, wherein the weaving tension is 6-10 g, the workshop temperature is 20 +/-3 ℃, and the humidity is 60 +/-3%.

The second step is that: ironing: and (3) ironing the woven blanket at the ironing temperature of 120-150 ℃ and the cloth roller speed of 8-10 m/min.

The third step: shaping: and (3) shaping the blanched blanket at the shaping temperature of 100-120 ℃ at the cloth roller speed of 12-16 m/min.

The fourth step: printing: the carpet is printed by adopting slurry prepared by a company, the printing temperature is 60-80 ℃, the slurry contains dye, emulsion paste, a softening agent, a shrink-proof finishing agent, sodium carbonate and a dyeing auxiliary agent, wherein the concentration of the dye is 2.0-2.2%, the concentration of the emulsion paste is 400-600 g/L, the concentration of the softening agent is 14-16 g/L, the concentration of the shrink-proof finishing agent is 18-20 g/L, the concentration of the sodium carbonate is 1.5-2.5 g/L, and the concentration of the dyeing auxiliary agent is 2-6 g/L.

The fifth step: and (3) high-pressure steaming fixation: and (3) carrying out high-pressure steaming color fixation on the printed blanket, wherein the color fixation temperature is 110-150 ℃, the steaming time is 30-60 min, and the pressure is 0.2-0.3 Mpa.

And a sixth step: function arrangement: adopting a functional finishing agent containing nano metal oxide prepared by a company to perform functional finishing on the blanket by a one-bath method; the functional finishing agent consists of a nano metal oxide, a mildew preventive, a finishing auxiliary agent and water, wherein the concentration of the nano metal oxide is 30-35 g/L, the concentration of the mildew preventive is 15-20 g/L, the concentration of the finishing auxiliary agent is 8-12 g/L, the bath ratio is 1: 8-1: 10, and the finishing temperature is 70-90 ℃.

The seventh step: washing with water: washing the functional-finished blanket by adopting a 2-tank washing process, wherein the temperature of a 1 st washing tank is 20-30 ℃, the temperature of a 2 nd washing tank is 50-60 ℃, and an antistatic soft finishing agent is added into the 2 nd washing tank; the antistatic soft finishing agent comprises a softening agent, an antistatic agent and a smoothing agent, wherein the concentration of the softening agent is 10-20 g/L, the concentration of the antistatic agent is 8-12 g/L, and the concentration of the smoothing agent is 10-20 g/L.

Eighth step: drying: the temperature is 70-90 ℃, and the roller speed is 6-10 m/min.

The ninth step: hot shearing of the flower blank: and (3) performing ironing polishing and ironing shearing on the dried blanket, wherein the ironing polishing temperature is 120-150 ℃, the ironing shearing temperature is 90-120 ℃, and the roller speed is 8-10 m/min.

The tenth step: and (4) cutting and edge covering, namely cutting and edge covering the blanket after finishing hot cutting to obtain the super cotton-like blanket.

Preferably, the super cotton-like polyester FDY is a cationic dyeable fine denier super cotton-like polyester FDY, and the terylene FDY with the cross section in a cross shape and the surface provided with micropores is a cationic dyeable fine denier terylene profiled yarn.

Compared with the prior art, the invention has the beneficial effects that:

the raw materials of the invention select super cotton-like polyester FDY (polyesteramide filament) as face yarn, and terylene FDY with cross-shaped cross section and micro-pores on the surface is used as bottom yarn, so that the prepared blanket has the advantages of pure cotton blanket heat preservation, comfort, moisture absorption, ventilation, fullness, softness and the like, and also has the advantages of wear resistance, washing resistance, crease resistance, pilling resistance and the like of the terylene blanket; the carpet printing can be carried out under the conditions of normal temperature and normal pressure by selecting the cationic disperse dye, the emulsifying paste, the softening agent, the shrink-proof finishing agent and the dyeing auxiliary agent to prepare the printing slurry, and better color and color fastness (more than 4 levels) can be obtained; and a 2-tank washing process is adopted, and a compounded softening finishing agent is added into a 2 nd washing tank, so that the prepared woolen blanket suede is soft. The blanket prepared by the invention has the characteristics of heat preservation, comfort, moisture absorption, ventilation, fullness, softness, wear resistance, washing resistance, crease resistance, good color fastness and the like. With the development and application of the product, the product has a very positive significance for improving the life quality of people and promoting the technical progress of home textile industry in China.

Detailed Description

The present invention is further illustrated by the following examples.