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Method for preparing polyfluortetraethylene ventilated membrane compound decating blanket

A polytetrafluoroethylene and breathable film technology, which is applied in chemical instruments and methods, textile material processing, synthetic resin layered products, etc. and other problems, to achieve the effect of soft luster, improve processing efficiency and save man-hours

Inactive Publication Date: 2009-09-09
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As far as the current processing equipment and technology level are concerned, in order to endow wool worsted fabrics with lasting and soft luster, dimensional stability and smooth and smooth surface, the finishing process of the following processes needs to be completed: shearing → steaming → electric calendering → For steaming, it takes about 2 hours for each steaming process. The electric calendering process not only takes up a lot of space for the equipment, but also takes 12-24 hours for each process, which is extremely labor-intensive
At the same time, the traditional desweed cloth is often woven from pure cotton or polyester-cotton blended yarn. Although it is often woven with a satin structure, its surface smoothness cannot meet the requirements of high gloss and silky feel, and The abrasion resistance and durability of this kind of cloth is not ideal enough

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 1. Glue on the steamed cloth:

[0018] Through a 17-mesh transfer roller, the polyamide adhesive point form is transferred to the desiccated cloth with a grammage of 300 g / m2 of pure cotton fabric, and dried at 120 ° C for 2 seconds to prepare a sizing desiccated bag cloth;

[0019] 2. Polytetrafluoroethylene air-permeable film composite desiccated cloth:

[0020] The polytetrafluoroethylene microporous film with an average pore diameter of 0.2 microns and a thickness of 80 microns is laminated with the sizing cloth, and then hot-rolled at 80°C for 2 minutes at a pressure of 5 kgf / cm2 , to prepare polytetrafluoroethylene air-permeable film composite desiccated cloth.

[0021] The polytetrafluoroethylene air-permeable membrane composite desiccated cloth obtained by the above method has an air permeability of 23369 g / m2·24 hours at 90°C.

Embodiment 2

[0023] 1. Glue on the steamed cloth:

[0024] Through a 40-mesh transfer roller, the silicone adhesive is transferred in dot form to the desiccated cloth with a grammage of 600 g / m2 of polyester-cotton blended fabric, and dried at 80°C for 20 seconds to prepare a sizing desiccated fabric. Wrapped;

[0025] 2. Polytetrafluoroethylene air-permeable film composite desiccated cloth:

[0026] A polytetrafluoroethylene microporous film with an average pore diameter of 6 microns and a thickness of 5 microns is laminated with the sizing cloth, and then hot-rolled at 120°C for 50 seconds at a pressure of 2 kgf / cm2 , to prepare polytetrafluoroethylene air-permeable film composite desiccated cloth.

[0027] The polytetrafluoroethylene air-permeable film composite desiccated cloth obtained by the above method has an air permeability of 27018 g / m2·24 hours at 90°C.

Embodiment 3

[0029] 1. Glue on the steamed cloth:

[0030] Through a 28-mesh transfer roller, transfer the ethylene-ethyl acetate adhesive dotted form to a desiccated cloth with a gram weight of 450 g / m2 polyester-cotton blended fabric, and dry it at 100°C for 10 seconds to prepare the glue. woolen cloth;

[0031] 2. Polytetrafluoroethylene air-permeable film composite desiccated cloth:

[0032] A polytetrafluoroethylene microporous film with an average pore diameter of 2 microns and a thickness of 40 microns is laminated with the sizing cloth, and then hot-rolled at 100°C for 1 minute at a pressure of 4 kgf / cm2 , to prepare polytetrafluoroethylene air-permeable film composite desiccated cloth.

[0033] The polytetrafluoroethylene air-permeable membrane composite desiccated cloth obtained by the above method has an air permeability of 26194 g / m2·24 hours at 90°C.

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Abstract

The invention discloses a method for preparing a polyfluortetraethylene ventilated membrane compound decating blanket. The method comprises the following steps of transferring a dotted bonding agent to a decating blanket made of pure cotton fabric or polyester cotton through a transferring roller to prepare the gummed decating blanket; and laminating a polyfluortetraethylene millipore membrane with the gummed decating blanket to prepare the polyfluortetraethylene ventilated membrane compound decating blanket. The invention dispenses with the traditional electrothermal glossing step in after-finishing of wool worsted fabric, improves processing efficiency, saves man-hour, places and manpower, and gives the wool worsted fabric the advantages of soft and permanent gloss, smooth hand feel, stability of dimension and smooth surface.

Description

technical field [0001] The invention relates to a method for preparing a decatized cloth, in particular to a method for preparing a polytetrafluoroethylene air-permeable film composite deined cloth. Background technique [0002] In the finishing process of woolen fabrics, de-wetting is the key process to endow the fabric with dimensional stability and smooth surface, and the quality and performance of de-wetting cloth are the most important influencing factors. Wool worsted fabric is the material for making high-end suits. In addition to the high requirements for the dimensional stability of the fabric and the smoothness of the surface, the fabric is often required to have a durable and soft luster. As far as the current processing equipment and technology level are concerned, in order to endow wool worsted fabrics with lasting and soft luster, dimensional stability and smooth and smooth surface, the finishing process of the following processes needs to be completed: shearin...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D06N3/04B32B27/12B32B27/32D06B23/00
Inventor 陈维国高静昕郭玉海
Owner ZHEJIANG SCI-TECH UNIV