阅读说明：本技术 一种降低羽绒损耗率的制备方法 (Preparation method for reducing down feather loss rate ) 是由 管华侨 管章明 孙长鸿 管华菊 于 2019-11-02 设计创作，主要内容包括：本发明公开了一种降低羽绒损耗率的制备方法,包括如下步骤：将原绒进行除杂,水洗,干燥,加入纳米银混合均匀,微波处理得到预制料a；将六水合氯化铁、四水合氯化亚铁和水混合,升温搅拌,加入氨水搅拌均匀,再加入腐殖酸,调节温度搅拌,加入砭石粉搅拌,离心,去除上层溶液,将下层固体物干燥,粉碎得到预制料b；将预制料a、预制料b、复合生物酶、玫瑰精油、表面活性剂、水混合,升温搅拌,抽滤,水洗,烘干得到高白度羽绒。本发明一方面可增强所得羽绒的纤维强度,降低羽绒损耗率,另一方面可有效避免羽绒蛋白纤维间的粘连,有效维持所得羽绒的蓬松度,同时除臭杀菌效果好。(The invention discloses a preparation method for reducing the loss rate of down feather, which comprises the following steps: removing impurities from raw velvet, washing with water, drying, adding nano-silver, uniformly mixing, and performing microwave treatment to obtain a prefabricated material a; mixing ferric chloride hexahydrate, ferrous chloride tetrahydrate and water, heating and stirring, adding ammonia water, stirring uniformly, adding humic acid, adjusting temperature, stirring, adding stone needle powder, stirring, centrifuging, removing an upper layer solution, drying a lower layer solid, and crushing to obtain a prefabricated material b; and mixing the prefabricated material a, the prefabricated material b, the compound biological enzyme, the rose essential oil, the surfactant and water, heating and stirring, carrying out suction filtration, washing with water, and drying to obtain the high-whiteness down. The invention can enhance the fiber strength of the obtained down feather and reduce the loss rate of the down feather on one hand, can effectively avoid the adhesion among down feather protein fibers on the other hand, effectively maintains the filling power of the obtained down feather and has good deodorization and sterilization effects.)

1. A preparation method for reducing the loss rate of down feather is characterized by comprising the following steps:

s1, removing impurities from the raw velvet, washing with water, drying, adding nano-silver, uniformly mixing, and performing microwave treatment to obtain a prefabricated material a;

s2, mixing ferric chloride hexahydrate, ferrous chloride tetrahydrate and water, heating and stirring, adding ammonia water, stirring uniformly, adding humic acid, adjusting the temperature, stirring, adding stone needle powder, stirring, centrifuging, removing an upper-layer solution, drying a lower-layer solid, and crushing to obtain a prefabricated material b;

s3, mixing the prefabricated material a, the prefabricated material b, the compound biological enzyme, the rose essential oil, the surfactant and water, heating and stirring, carrying out suction filtration, washing with water, and drying to obtain the high-whiteness down.

2. The method as claimed in claim 1, wherein the microwave treatment time is 20-50S, the microwave treatment power is 120-150W, and the microwave treatment temperature is 40-48 ℃ in S1.

3. The preparation method for reducing the loss rate of the down feather as claimed in claim 1 or 2, wherein in S1, the weight ratio of raw down to nano silver is 100: 0.1-0.8.

4. The preparation method for reducing the loss rate of the down feather according to any one of the claims 1 to 3, wherein in S2, ferric chloride hexahydrate, ferrous chloride tetrahydrate and water are mixed, heated to 92-97 ℃ and stirred for 30-80 min.

5. The preparation method for reducing the loss rate of the down feather according to any one of the claims 1 to 4, wherein humic acid is added into S2, and then the temperature is adjusted to 65-75 ℃ and the mixture is stirred for 20-40 min.

6. The preparation method for reducing the loss rate of the down feather according to any one of the claims 1 to 5, wherein in S2, the weight ratio of ferric chloride hexahydrate, ferrous chloride tetrahydrate, water, ammonia water, humic acid and stone needle powder is 3-8: 1-4: 50-80: 2-5: 1-2: 0.4 to 0.9, and the concentration of ammonia water is 18 to 22 weight percent.

7. The preparation method for reducing the loss rate of the down feather as claimed in any one of the claims 1 to 6, wherein in S3, the prefabricated material a, the prefabricated material b, the compound biological enzyme, the rose essential oil, the surfactant and water are mixed, the temperature is adjusted to 25-35 ℃, and the mixture is stirred for 1-2h, and the stirring speed is 10-20 r/min.

8. The preparation method for reducing the loss rate of the down feather as claimed in any one of the claims 1 to 7, wherein the weight ratio of the prefabricated material a to the prefabricated material b to the composite biological enzyme to the rose essential oil to the surfactant to the water in S3 is 100: 1-4: 0.1-0.4: 1-2: 0.2-0.8: 300-400.

9. The preparation method for reducing the loss rate of the down feather according to any one of the claims 1 to 8, wherein in S3, the compound biological enzyme is prepared from lipase, bloodstain enzyme and neutral protease in a mass ratio of 1-2: 1.2-1.8: 0.2-0.9.

Technical Field

The invention relates to the technical field of down feather, in particular to a preparation method for reducing the loss rate of the down feather.

Background

The fine washing is an important link of down feather processing, and down feather collected from slaughterhouses is stained with stains such as blood stain, fat, excrement and the like, and can achieve the purposes of removing dust, decontaminating, removing impurities, deodorizing, disinfecting and sterilizing through water washing processing. The fine washing processing technology is an important technology for restoring the original softness, elasticity and special bright color of the feather down. The traditional eiderdown fine washing process has the problems of high eiderdown loss rate and incapability of meeting the requirements on filling power.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a preparation method for reducing the loss rate of down feather, which can enhance the fiber strength of the obtained down feather and reduce the loss rate of the down feather on the one hand, can effectively avoid the adhesion among down feather protein fibers on the other hand, effectively maintain the filling power of the obtained down feather, can continuously emit negative ions and far infrared rays, has the effects of regulating the ion balance of a human body, promoting the blood circulation and simultaneously has good deodorization and sterilization effects.

The invention provides a preparation method for reducing the loss rate of down, which comprises the following steps:

s1, removing impurities from the raw velvet, washing with water, drying, adding nano-silver, uniformly mixing, and performing microwave treatment to obtain a prefabricated material a;

s2, mixing ferric chloride hexahydrate, ferrous chloride tetrahydrate and water, heating and stirring, adding ammonia water, stirring uniformly, adding humic acid, adjusting the temperature, stirring, adding stone needle powder, stirring, centrifuging, removing an upper-layer solution, drying a lower-layer solid, and crushing to obtain a prefabricated material b;

s3, mixing the prefabricated material a, the prefabricated material b, the compound biological enzyme, the rose essential oil, the surfactant and water, heating and stirring, carrying out suction filtration, washing with water, and drying to obtain the high-whiteness down.

Preferably, in S1, the microwave treatment time is 20-50S, the microwave treatment power is 120-150W, and the microwave treatment temperature is 40-48 ℃.

Preferably, in S1, the weight ratio of raw velvet to nano silver is 100: 0.1-0.8.

Preferably, in S2, ferric chloride hexahydrate, ferrous chloride tetrahydrate and water are mixed, heated to 92-97 ℃ and stirred for 30-80 min.

Preferably, humic acid is added into S2, and the temperature is adjusted to 65-75 ℃ and stirred for 20-40 min.

Preferably, in S2, the weight ratio of ferric chloride hexahydrate, ferrous chloride tetrahydrate, water, ammonia water, humic acid and stone needle powder is 3-8: 1-4: 50-80: 2-5: 1-2: 0.4 to 0.9, and the concentration of ammonia water is 18 to 22 weight percent.

Preferably, in S3, the prefabricated material a, the prefabricated material b, the compound biological enzyme, the rose essential oil, the surfactant and the water are mixed, the temperature is adjusted to 25-35 ℃, and the mixture is stirred for 1-2h, wherein the stirring speed is 10-20 r/min.

Preferably, in S3, the weight ratio of the prefabricated material a to the prefabricated material b to the composite biological enzyme, the rose essential oil, the surfactant and the water is 100: 1-4: 0.1-0.4: 1-2: 0.2-0.8: 300-400.

Preferably, in S3, the composite biological enzyme is prepared from lipase, bloodstain enzyme and neutral protease in a mass ratio of 1-2: 1.2-1.8: 0.2-0.9.

In the S1 process, the raw down is subjected to impurity removal, water washing and drying in sequence, then is compounded and dispersed with the nano-silver, and after irradiation treatment, the deodorizing and sterilizing effect is good, and the surface of the protein fiber of the down can be activated; in S2, ferric chloride hexahydrate and ferrous chloride tetrahydrate react with ammonia water to form magnetic Fe₃O₄Then the humic acid is coated by coordination and connection on the surface of the humic acid, and then the calcium carbide powder is coated on the surface of the humic acid to form a triple adsorption structure, so that the health-care shoe not only has good wearing health-care function, but also can continuously emit negative ions and radiate far infrared rays, has the functions of regulating the ion balance of a human body, promoting blood circulation and improving the natural cure rate, and has good deodorization function; in S3, the adsorption effect of the prefabricated material b and the prefabricated material a is good under the coordination of the compound biological enzyme, the structure is stable, the prefabricated material a and the prefabricated material b are compounded, on one hand, the fiber strength can be enhanced, the down feather loss rate is reduced, on the other hand, the adhesion among down feather protein fibers can be effectively avoided, the filling power of the obtained down feather is effectively maintained, meanwhile, the compound biological enzyme can effectively purify stains on the surface of the prefabricated material a, and the compound biological enzyme is matched with rose essential oil, so that the deodorization and sterilization effects of the obtained down feather with the reduced down feather loss rate are further improved.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to specific examples.