Production method of dairy cattle chrome-free tanning fur leather and fur leather
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A production method and fur tanning technology, applied to the production method and the field of fur produced by this method, can solve the problems of limited application of cowhide and inability to process fur, and achieve easy operation of the overall process, shortening the production cycle, The effect of neat hair
Inactive Publication Date: 2019-02-26
四川绵竹新市制革有限公司
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[0003] Based on the above prior art, the purpose of the present invention is to provide a production method of dairy cow chrome-free tanned fur and fur, to solve the problem that cowhide can only be processed into leather in the prior art, but cannot be processed into fur, so that the application of cowhide limited technical issues
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[0060] The production method of the dairy cow chrome-free tanned fur of the present invention will be further described in detail below in conjunction with specific examples.
[0061] A method for producing dairy cow chrome-free tanned fur, comprising the following steps:
[0062] Step 1): edge trimming, weighing, immersion, degreasing, and water washing of source leather;
[0063] Step 1.1): one trimming and weighing;
[0064] Trim the edge of the source skin, remove the head and tail, side claws and milk foam, weigh it once, and put it into the drum;
[0065] Step 1.2): soaking in water;
[0066] Add once weighing 150% water at 28-30°C, 0.5% non-ionic degreasing agent, 0.5% soaking aid, 0.2% bactericide, 0.2% hair conditioner and 0.3% For shampoo, turn for 30 minutes and then turn for 5 minutes every hour, and the total soaking time is 18-20 hours;
[0067] Step 1.3): secondary trimming and weighing;
[0068] Second weighing after removing the flesh, skinning and trimming...
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Abstract
The invention belongs to the technical fields of leather processing chemistry and engineering and in particular relates to production method of dairy cattle chrome-free tanning fur leather and fur leather prepared by using the method. The production method of the dairy cattle chrome-free tanning fur leather comprises the following steps: step 1) trimming source leather, weighing, soaking into water, degreasing, and washing with water; step 2) softening, and soaking into an acid; step 3) bulging, standing still, and piling; step 4) removing the acid; step 5) cooling, washing with water, and throwing off the water; step 6) soaking into an acid, tanning; step 7) carrying out leather basifying; step 8) bulging, and carrying out water extrusion, trimming, oil brushing, drying, re-moisturizing,milling softening, dry toggling and cleaning in sequence to obtaining a dairy cattle chrome-free tanning fur leather finished product. The production method provided by the invention is simple in overall procedure and easy to operate, low in production cost, short in cycle, good in practicability and applicable to large-scale production. The leather of the prepared dairy cattle fur leather is soft, full, white, flat, good in air permeability and water permeability, and the fur is tidy, smooth and good in elasticity.
Description
technical field [0001] The invention belongs to the technical field of tanning chemistry and engineering, and in particular relates to a production method of cow chrome-free tanned fur and the fur obtained by the method. Background technique [0002] At present, cowhide is processed into leather after removing the fur on it. It is used in the manufacture of clothing, bags, and footwear. cause serious environmental pollution. Therefore, need to propose a kind of production method of cowhide fur, to widen the scope of application of cowhide, and improve its manufacturing process, to make the chrome-free tanned fur with leather board soft, hair neatly. Contents of the invention [0003] Based on the above prior art, the purpose of the present invention is to provide a production method of dairy cow chrome-free tanned fur and fur, to solve the problem that cowhide can only be processed into leather in the prior art, but cannot be processed into fur, so that the application of...
Claims
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