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A kind of preparation method of environment-friendly polishing and waxing natural fall pattern shoe upper leather

An environmentally friendly technology for shoe upper leather, applied in leather manufacturing, leather drying, leather surface treatment, etc., can solve the problems of complex leather production process, high raw material leather requirements, environmental pollution, etc., and reduce pollutants and waste water discharge , clear grain pattern and reduced usage

Active Publication Date: 2016-01-06
XINGYE LEATHER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional polished, waxed and tumbled shoe upper leather has a complicated production process, which requires high raw material leather and pollutes the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of preparation method of environment-friendly polishing and waxing natural wrestling shoe upper leather comprises the following process steps:

[0022] (1) Preparation before tanning: The preparation before tanning is carried out according to the following process route. , Soaking, removing meat, and gray skins are all carried out according to the conventional process, and the pre-soaking waste liquid is treated for the main immersion;

[0023] a. Liming and hair removal: (the amount is calculated as a percentage of the weight of the skin embryo), water 100% (temperature: 22°C), TrupowerMS0.1%, B 12 0.8%, W-1000.1%, NaHS0.15%, KF-500.2%, turn 30min; lime 1.2%, turn 30min; NaHS1.3%, turn 20min; filter hair about 60min, add DESOAGENPOU0.3%, lime 1.0% , Na2S0.75%, turn on for 10min, stop for 20min, run for 3h at intervals between turn and stop, add water 30%, then add DESOAGENPOU0.3%, lime 1.0%, Na2S0.75%, turn for 10min, stop for 20min, run at intervals of turn fo...

Embodiment 2

[0036] A kind of preparation method of environment-friendly polishing and waxing natural wrestling shoe upper leather comprises the following process steps:

[0037] (1) Pre-tanning preparation: Pre-tanning preparation is carried out according to the following process route;

[0038] Process route: group batching → pre-soaking → meat removal → main soaking → liming and hair removal → piece of gray skin → deliming → softening → pickling → chrome tanning, in which batching, soaking, de-flesh, and piece of gray skin are all in accordance with the conventional process Carry out immersion according to the conventional process, and treat the pre-soaking waste liquid for main immersion;

[0039] a. Liming and hair removal: water 100% (temperature: 22 ℃), TrupowerMS0.1%, B120.8%, W-1000.1%, NaHS0.15%, KF-500.2%, turn 30min; lime 1.2%, turn 30min ;NaHS1.3%, turn 20min; filter wool about 60min; add DESOAGENPOU0.3%, lime 1.0%, Na2S0.75%, turn for 10min, stop for 20min, run for 3h betwee...

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Abstract

The invention relates to the field of preparation technology for leather and provides a water-saving, low-cost and small-pollution preparation method for natural dry-milled instep leather prepared through preparation of fur, tanning, retanning and dyeing, drying and finishing. The preparation method comprises the following process steps: (1) preparation before tanning; (2) chrome tanning; (3) chrome-free retanning and dyeing; (4) drying; and (5) finishing. Process route of finishing blank leather having been dried in the step (4) successively comprises bottom-layer cation finishing, polishing, tumbling, medium-layer anion finishing, top-layer finishing, tumbling, milling, hand-feeling-layer finishing and tumbling.

Description

technical field [0001] The invention relates to the technical field of leather preparation, in particular to an environment-friendly preparation method of polished and waxed natural tumbled shoe upper leather. Background technique [0002] With the improvement of consumption concepts, consumers' requirements for leather have also developed from the original resurfacing, repainting, and covering of disabilities to emphasizing the original, simple, and natural light-painted leather. The feel is more and more favored by consumers. Polished and waxed tumbled shoe upper leather belongs to the high-grade leather variety of the natural tumbled leather series, with soft hand feeling, plump pattern and high added value of the product. Conventional polished, waxed and tumbled shoe upper leather has a complicated production process, which requires high raw material leather and pollutes the environment. Contents of the invention [0003] Therefore, aiming at the above content, the p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C14C3/06C14C3/00C14B1/58C14B1/02C14C11/00
Inventor 吴华春蔡建设谢志平温会涛
Owner XINGYE LEATHER TECH CO LTD
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