CN102418240A - Shaped silk floss flake and preparation method thereof - Google Patents
Shaped silk floss flake and preparation method thereof Download PDFInfo
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- CN102418240A CN102418240A CN2011102805069A CN201110280506A CN102418240A CN 102418240 A CN102418240 A CN 102418240A CN 2011102805069 A CN2011102805069 A CN 2011102805069A CN 201110280506 A CN201110280506 A CN 201110280506A CN 102418240 A CN102418240 A CN 102418240A
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- flocculus
- silk floss
- woven fabrics
- shaped non
- flake
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Abstract
The invention discloses a shaped silk floss flake and a preparation method thereof. The preparation method comprises the following steps of: (a) loosening a silk floss sheet which is subjected to refining and degumming, and softening afterfinish to obtain a silk floss flake; (b) spraying an adhesive onto the front and back of the silk floss flake, wherein the adhesive is an aqueous solution of a quaternary ammonium salt modified compound of chitosan, and has the mass concentration of 1-2 percent; and (c) drying and shaping at the temperature of between 90 and 95DEG C to obtain the shaped silk floss flake. After the prepared shaped silk floss flake is used as an underwear thermal insulation material for a long time, the shaped silk floss flake still has good fluffy rebound resilience and antibacterial effect of silk floss, has good wearing property, and meets the safety requirement of textiles.
Description
Technical field
The present invention relates to a kind of preparation method of Shaped non-woven fabrics flocculus, this Shaped non-woven fabrics flocculus can be used as the heat insulating material formed of underwear.
Background technology
The silk floss flocculus can be used for the heat insulating material formed of underwear, and most of in the market to adopt machine-processed silk floss be raw material, with machine-processed silk floss sheet through coming unstuck, after the arrangement of soft back, oven dry, drawing pine to form bulk, whippy silk floss flocculus by hand.Existing silk floss flocculus can be divided into staple fibre, medium-length fibre and long fiber silk floss flocculus according to the length of its silk fiber.
Yet; No matter be long fiber, or staple fibre, medium-length fibre silk floss flocculus, when bringing into use, have resilience, bulk characteristics, but along with the prolongation of Time of Administration; Can tangle each other between the fiber; Generation is hardened, and causes the resilience of silk floss flocculus and bulkiness to descend greatly, and its warmth retention property also descends thereupon.
To the problems referred to above, the real silk non-woven cloth of spray glue method for shaping production has appearred adopting, and the silk fiber that is about to after refining is come unstuck adopts machinery (combing) to become net, and employing spray glue setting process makes.Yet; Because the adhesive that adopts in its spray-bonding craft is the polyacrylate Chemical Felter; Can make the free formaldehyde residual quantity on the real silk non-woven cloth higher; Surpassed that free residual formaldehyde should be lower than the standard of 75mg/Kg on the fabric of national present regulation,, can endanger the health generation if for a long time contact with human body skin.In order to reduce residual formaldehyde, the technical staff has attempted the various binding agents of research and development, and discovery is dissolved in chitin can be used for doing the adhesive use in the acetic acid, and said composition has good antibacterial effect simultaneously.Yet, because above-mentioned binding agent is acid medium, often be lower than 4.0 by the pH value of its Shaped non-woven fabrics flocculus that makes, do not meet the requirement of ecological textile.
A kind of in addition mode is referring to Chinese utility model patent CN2325406Y, and it discloses a kind of Shaped non-woven fabrics, and as core, levels coats the real silk staple fibre and forms sandwich lamination layer structure, finalizes the design with needle point method with the three-dimensional crimp polyster fibre.Thereby overcome the defective that hardens of traditional silk floss, taken simultaneously and be superior to spraying glue typing nonwoven fabric again aspect the sanitation performance at warmth retention property, hygroscopicity etc.But therefore this Shaped non-woven fabrics generally only is used for the filling of bedding, and can not be used for the heat insulating material formed of underwear owing to be doped with chemical fibre.
Yet above-mentioned dual mode generally all adopts staple fibre, medium-length fibre, and its silk fiber length is 25～65mm, can't handle long stapled silk floss flocculus.
Summary of the invention
The object of the invention provides a kind of Shaped non-woven fabrics flocculus and preparation method thereof.
For achieving the above object, the technical scheme that the present invention adopts is: a kind of Shaped non-woven fabrics flocculus, and said Shaped non-woven fabrics flocculus is the individual layer list structure, the length of its silk fiber is greater than 0.8m.
The present invention asks for protection the preparation method of above-mentioned Shaped non-woven fabrics flocculus simultaneously, comprises the steps:
(a) with refining come unstuck, silk floss sheet garnetting after the arrangement of soft back, obtain the silk floss flocculus;
(b) positive and negative at above-mentioned silk floss flocculus sprays adhesive; Said adhesive is the quaternary ammonium salt-modified compound water solution of shitosan, and its mass concentration is 1～2%;
(c) drying and shaping under 90～95 ℃ of conditions can obtain said Shaped non-woven fabrics flocculus;
The length of the silk fiber of said Shaped non-woven fabrics flocculus is greater than 0.8m.
Optimized technical scheme, the length of the silk fiber of said Shaped non-woven fabrics flocculus are 0.8～3m.
In the preceding text, the quaternary ammonium salt-modified compound of said shitosan can adopt existing goods, like the ATB of German Herst company, also can adopt the quaternary ammonium salt of the shitosan that Nantong green refreshing bioengineering Co., Ltd produces.
Because the technique scheme utilization, the present invention compared with prior art has advantage:
1. the Shaped non-woven fabrics flocculus that makes of the present invention still can keep the good bulk resilience of silk floss as the heat insulating material formed of underwear after permanent the use, and has good antibacterial effect, meets the safety requirements of textiles.
2. the adhesive of the present invention's employing is water-soluble better, can prevent that silk floss flocculus pH value is unusual.
3. preparation method of the present invention is simple, and easy operating has active operation significance.
The specific embodiment
Below in conjunction with embodiment the present invention is further described:
Embodiment one
A kind of preparation method of Shaped non-woven fabrics flocculus comprises the steps:
(a) with refining come unstuck, silk floss sheet garnetting after the arrangement of soft back, obtain the silk floss flocculus;
(b) positive and negative at above-mentioned silk floss flocculus sprays adhesive; Said adhesive is the quaternary ammonium salt-modified compound water solution of shitosan, and its mass concentration is 1～2%;
(c) drying and shaping under 90～95 ℃ of conditions can obtain said Shaped non-woven fabrics flocculus, and the length of its silk fiber is 1.5～2.5m.
In the preceding text, the quaternary ammonium salt-modified compound of said shitosan can adopt existing goods, like the ATB of German Herst company.
Comparative Examples one
Adopt conventional method, with refining come unstuck, silk floss sheet garnetting after the arrangement of soft back, obtain long fiber silk floss flocculus, the length of its silk fiber is 1.5～2.5m; Positive and negative at the silk floss flocculus sprays adhesive then; Said adhesive is the acetum of chitin, and drying and shaping obtains said Shaped non-woven fabrics flocculus then.
Comparative Examples two
Adopting machine-processed silk floss is raw material, with machine-processed silk floss sheet through coming unstuck, after the arrangement of soft back, oven dry, drawing pine to form bulk, whippy long fiber silk floss flocculus by hand.
One, measure the compression ratio and the elastic recovery rate of the Shaped non-woven fabrics flocculus of the foregoing description one and Comparative Examples two according to GB/T24252-2009 cocoon silk quilt national standard, the result is following:
| Compression ratio (%) | Elastic recovery rate (%) | |
| The silk floss flocculus of embodiment one (not using) | 45.6 | 92.8 |
| The silk floss flocculus of embodiment one (using after 1 year) | 43.7 | 90.1 |
| The silk floss flocculus of Comparative Examples two (not using) | 45.1 | 91.7 |
| The silk floss flocculus of Comparative Examples two (using after 1 year) | 36.8 | 82.7 |
Visible by last table; Its compression ratio and elastic recovery rate descend slightly to some extent after 1 year though Shaped non-woven fabrics flocculus of the present invention uses; But compare the common Shaped non-woven fabrics flocculus of ratio two; Its fall is far smaller than common Shaped non-woven fabrics flocculus, and visible Shaped non-woven fabrics flocculus of the present invention still can keep the good bulk resilience of silk floss after long-term the use.
Two, measure the vapor transfer rate and the Air permenbility of the Shaped non-woven fabrics flocculus of the foregoing description one and Comparative Examples two, the result is following:
| Vapor transfer rate (g/m 2·d) | Air permenbility (L/m 2·S) | |
| The Shaped non-woven fabrics flocculus of embodiment one | 82.23 | 2200.6 |
| The Shaped non-woven fabrics flocculus of Comparative Examples two | 82.03 | 2204.8 |
Visible by last table, Shaped non-woven fabrics flocculus of the present invention is compared with common Shaped non-woven fabrics flocculus, and its vapor transfer rate and Air permenbility difference are very little, explain that Shaped non-woven fabrics flocculus of the present invention can't influence silk floss original excellent wearability.
Three, the antibacterial effect of the common silk floss flocculus of the Shaped non-woven fabrics flocculus of the Shaped non-woven fabrics flocculus of the mensuration embodiment of the invention one, Comparative Examples one, Comparative Examples two, the result is following:
Visible by last table, the Shaped non-woven fabrics flocculus that the present invention obtains compares the Shaped non-woven fabrics flocculus of ratio one and the common silk floss flocculus of Comparative Examples two, and its antibacterial effect will be got well a lot, and its bacteriostasis rate is greater than 95%.
Four, the pH value of the common silk floss flocculus of the Shaped non-woven fabrics flocculus of the Shaped non-woven fabrics flocculus of the mensuration embodiment of the invention one, Comparative Examples one, Comparative Examples two, the result is following:
| The pH value | |
| The Shaped non-woven fabrics flocculus of embodiment one | 6.7 |
| The Shaped non-woven fabrics flocculus of Comparative Examples one | 3.8 |
Visible by last table, the safety requirements of Shaped non-woven fabrics flocculus accords with production textiles of the present invention can be used for the heat insulating material formed of underwear, and the pH value of the Shaped non-woven fabrics flocculus of Comparative Examples one does not meet the safety requirements of producing textiles less than 4.0.
Claims (3)
1. Shaped non-woven fabrics flocculus, it is characterized in that: said Shaped non-woven fabrics flocculus is the individual layer list structure, and the length of its silk fiber is greater than 0.8 m.
2. the preparation method of a Shaped non-woven fabrics flocculus is characterized in that, comprises the steps:
(a) with refining come unstuck, silk floss sheet garnetting after the arrangement of soft back, obtain the silk floss flocculus;
(b) positive and negative at above-mentioned silk floss flocculus sprays adhesive; Said adhesive is the quaternary ammonium salt-modified compound water solution of shitosan, and its mass concentration is 1 ~ 2%;
(c) drying and shaping under 90 ~ 95 ℃ of conditions can obtain said Shaped non-woven fabrics flocculus;
The length of the silk fiber of said Shaped non-woven fabrics flocculus is greater than 0.8 m.
3. the preparation method of Shaped non-woven fabrics flocculus according to claim 2 is characterized in that: the length of the silk fiber of said Shaped non-woven fabrics flocculus is 0.8 ~ 3 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102805069A CN102418240A (en) | 2011-09-20 | 2011-09-20 | Shaped silk floss flake and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102805069A CN102418240A (en) | 2011-09-20 | 2011-09-20 | Shaped silk floss flake and preparation method thereof |
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| CN102418240A true CN102418240A (en) | 2012-04-18 |
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| CN2011102805069A Pending CN102418240A (en) | 2011-09-20 | 2011-09-20 | Shaped silk floss flake and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677395A (en) * | 2012-05-21 | 2012-09-19 | 王月华 | Non-woven silk fabric and preparation method thereof |
| CN106283384A (en) * | 2016-09-08 | 2017-01-04 | 河南工程学院 | Composite bactericidal Pilus Caprae seu Ovis flocculus and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101919639A (en) * | 2009-06-10 | 2010-12-22 | 湖北怡莲阳光丝绸纺织有限公司 | Making method of washable fiber quilt |
| CN102048410A (en) * | 2009-10-29 | 2011-05-11 | 江苏苏龙纺织科技集团有限公司 | Method for preparing silk quilt |
-
2011
- 2011-09-20 CN CN2011102805069A patent/CN102418240A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101919639A (en) * | 2009-06-10 | 2010-12-22 | 湖北怡莲阳光丝绸纺织有限公司 | Making method of washable fiber quilt |
| CN102048410A (en) * | 2009-10-29 | 2011-05-11 | 江苏苏龙纺织科技集团有限公司 | Method for preparing silk quilt |
Non-Patent Citations (2)
| Title |
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| 《产业用纺织品》 19911231 李志生 "使用壳聚糖粘合剂制造生物易降解的非织造布" 40 , 第5期 * |
| 李志生: ""使用壳聚糖粘合剂制造生物易降解的非织造布"", 《产业用纺织品》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677395A (en) * | 2012-05-21 | 2012-09-19 | 王月华 | Non-woven silk fabric and preparation method thereof |
| CN106283384A (en) * | 2016-09-08 | 2017-01-04 | 河南工程学院 | Composite bactericidal Pilus Caprae seu Ovis flocculus and preparation method thereof |
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Application publication date: 20120418 |