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Manufacturing method of imitation cow head layer leather oil leather

A manufacturing method, the technology of bull head, which is applied in the direction of non-woven fabrics, fabric elongation, textiles and papermaking, etc., can solve the problem that the glossiness and softness of the hand cannot meet the needs of consumers, and achieve fine patterns, high brightness, and oily texture. Strong waxy effect

Active Publication Date: 2017-05-03
WUXI DOUBLE ELEPHANT MICRO FIBER MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the glossiness, plumpness and fineness of the pattern of the ultrafine fiber polyurethane synthetic leather products produced in the prior art cannot meet the needs of consumers, and provide a kind of imitation cow head with a simple preparation method. The method for manufacturing the oily skin leather, the prepared imitation cow head oily skin leather has high brightness, delicate patterns, strong waxy feeling and strong drape feeling

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

[0020] A manufacturing method of imitation cow head layer leather oil leather, comprising the following steps:

[0021] (1) Preparation of non-woven fabric: Mix polyamide 6 and low-density polyethylene according to the mass ratio of 40:60, and stir for 15 minutes with a slow mixer at a speed of 30 rpm. After the above two materials are evenly stirred , through the single-screw spinning machine melting and stirring into the island-type spinneret assembly, the screw pressure is 5kg, the screw speed is 30Hz, the screw temperature is 90°C, and the pipe temperature is 280°C, and it is extruded through the distribution plate and the spinneret. The formed tow is then drawn by three drafting rollers. The drafting ratio of the three rollers is 1:2.2:3.5. , the number of crimps is 15 / 25mm, drying, drying temperature is 50 ℃, drying time is 5 minutes, cut short fibers with a length of 50mm and a fineness of 5.0dtex, the baler is in accordance with the specifications of 150kg / bag Packing...

Embodiment 2

[0029] A manufacturing method of imitation cow head layer leather oil leather, comprising the following steps:

[0030] (1) Preparation of non-woven fabrics: Mix polyamide 6 and low-density polyethylene according to the mass ratio of 50:50, and stir for 18 minutes with a slow mixer at a speed of 40 rpm. After the above two materials are evenly mixed, Melt and stir through a single-screw spinning machine into the sea-island spinneret assembly, the screw pressure is 8kg, the screw speed is 40Hz, the screw temperature is 200°C, and the pipe temperature is 290°C, and it is extruded through the distribution plate and the spinneret. The formed tow is then drawn by three drafting rollers, the drafting ratio of the three rollers is 1:2.5:4, the spinning oil bath is oiled, and the main pressure of the crimping machine is 2kg, and the main pressure of the crimping machine is 1kg. The number of pieces is 20 / 25mm, dried, the drying temperature is 60°C, the drying time is 8 minutes, and th...

Embodiment 3

[0038] A manufacturing method of imitation cow head layer leather oil leather, comprising the following steps:

[0039] (1) Preparation of non-woven fabrics: Mix polyamide 6 and low-density polyethylene according to the mass ratio of 60:40, and stir them with a slow mixer for 20 minutes, and the rotation speed is 50 rpm. After the above two materials are evenly mixed, Melt and stir into the sea-island spinneret assembly through a single-screw spinning machine, the screw pressure is 10kg, the screw speed is 50Hz, the screw temperature is 300°C, and the pipe temperature is 295°C, and it is extruded through the distribution plate and spinneret. The formed tow is then drawn by three drafting rollers, the drafting ratio of the three rollers is 1:2.8:4, the spinning oil bath is oiled, the main pressure of the crimping machine is 2kg, and the pressure is 1.3kg. The number of crimps is 25 / 25mm, dried, the drying temperature is 75°C, the drying time is 10 minutes, and the short fibers ...

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Abstract

The invention relates to a manufacturing method of imitated cow top layer leather oily leather. The method includes the process steps: (1) manufacturing a non-woven fabric with the density of 0.25-0.27g / m<2>; (2) impregnating the non-woven fabric in mixed impregnation solution of polyether polyurethane and polymeric carbon polyurethane; (3) reducing methylbenzene; (4) arranging a substrate; (5) performing dry process overlaying; (6) overlaying a release paper coating film obtained in the fifth step and an imitated cow top layer leather superfine fiber polyurethane synthetic leather substrate obtained in the fourth step in an aligned manner to obtain imitated cow top layer leather; (7) performing embossing and third-edition machine treatment for the made imitated cow top layer leather to obtain the imitated cow top layer leather oily leather. The manufacturing method is simple, the made imitated cow top layer leather oily leather is high in brightness, fine and smooth in stripe and strong in oil wax feeling and suspension feeling, and the requirements of different products can be met.

Description

technical field [0001] The invention relates to a method for manufacturing superfine fiber polyurethane synthetic leather, in particular to a method for manufacturing imitation cow's head layer leather and oily leather, and belongs to the technical field of leather manufacturing. Background technique [0002] Microfiber polyurethane synthetic leather is mainly used in footwear, luggage, sofa car interiors, balls, gloves, etc. At present, the domestic market share of microfiber polyurethane synthetic leather is increasing, and people's awareness is also increasing. The higher it comes, the bag leather that leads the fashion has become the vane of fashion, and the general microfiber polyurethane synthetic leather products can no longer meet the aesthetics of consumers, especially the gloss of the leather surface, the fullness and fineness of the pattern, and the hand feel. Softness and comfort are difficult to meet the requirements of consumers in different regions and countri...

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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Patent Type & Authority Patents(China)
IPC IPC(8): D04H1/4382D04H1/46D06N3/12D06M15/643D06M13/02D06C3/00D06C19/00D06C23/04D06C27/00
CPCD04H1/4382D04H1/46D06M15/568D06M15/6436D06M2101/20D06M2101/34D06N3/0004D06N3/0011D06N3/0034D06N3/0038D06N3/005D06N3/0077D06N3/0097D06N3/145D06N2209/0838D06N2209/1642D06N2211/28
Inventor 尉雷金梅刘连伟
Owner WUXI DOUBLE ELEPHANT MICRO FIBER MATERIAL
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