CN102677396A - Renewable fiber-based non-woven material and preparation method thereof - Google Patents

Renewable fiber-based non-woven material and preparation method thereof Download PDF

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Publication number
CN102677396A
CN102677396A CN2011102758725A CN201110275872A CN102677396A CN 102677396 A CN102677396 A CN 102677396A CN 2011102758725 A CN2011102758725 A CN 2011102758725A CN 201110275872 A CN201110275872 A CN 201110275872A CN 102677396 A CN102677396 A CN 102677396A
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Prior art keywords
fiber
weight
nonwoven
fibre
renewable
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Inventor
许凤
付小栓
赵国通
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3M China Ltd
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3M China Ltd
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Abstract

The invention provides a non-woven material and a preparation method thereof. The non-woven material comprises fibers and a spray adhesive, wherein the fibers comprises20-95 percent by weight of renewable fibers, 5-30 percent by weight of adhesive fibers and 0-50 percent by weight of hollow fibers based on the total amount of the fibers; and the spray adhesive is positioned on the surface of the fibers and the amount of the spray adhesive is 0-20 grams/square meter.

Description

Based on nonwoven material of renewable fiber and preparation method thereof
Technical field
The present invention relates to a kind of nonwoven material based on renewable fiber and preparation method thereof, more specifically, the present invention relates to a kind of non-woven heat insulating material formed and preparation method thereof based on renewable fiber.
Background technology
Along with the mankind's environmental protection and oil crisis consciousness improve constantly, the increasing demand of natural green recyclable materials is increased.Present heat insulating material formed great majority adopt synthetic fiber to form nonwoven web, or adopt natural fabrics such as eider down, cotton, silk class to fill or form fibre web.This two all have inevitable shortcoming: the raw material of synthetic fiber can be traced back to oil, low price but cause petroleum-based energy nervous, and warmth retention property and feel are relatively poor; The wash durability of eider down, wool, cotton series products is poor.Therefore, need a kind of natural fabric and synthetic fiber advantage of having concurrently of exploitation, promptly possess the product of the water-wash resistance of good warmth retention property, feel and skin-friendly and excellence.
Summary of the invention
The present invention provides a kind of nonwoven material based on renewable fiber and preparation method thereof, and nonwoven material of the present invention is a kind of warmth retention property height, wash resistant, degradable environmental friendliness type material.
The present invention has realized improving the purpose of product water-wash resistance through renewable fiber and synthetic fiber are processed nonwoven material with the certain proportion combination, and wherein said synthetic fiber comprise the mixture of binder fibre and binder fibre and doughnut.
On the one hand, the present invention provides a kind of nonwoven material, and it comprises:
Fiber based on the total amount meter of said fiber, comprises the renewable fiber of 20 weight % to 95 weight %, the binder fibre of 5 weight % to 30 weight % and the doughnut of 0 to 50 weight %; With
Be positioned at the spray glue of said fiber surface, the amount of said spray glue be 0 to 20 the gram/square metre.
On the other hand, the present invention provides a kind of preparation method of nonwoven material, and said preparation method comprises the steps:
To count the renewable fiber of 20 weight % to 95 weight %, the binder fibre of 5 weight % to 30 weight % and the doughnut of 0 to 50 weight % based on the fiber total amount mixes;
Shredding;
Give cotton;
Become net; With
Oven dry.
The specific embodiment
The present invention provides a kind of nonwoven material based on renewable fiber and preparation method thereof.
Used among this paper " based on the nonwoven material of renewable fiber " is meant through renewable fiber and synthetic fiber are made up the nonwoven material of processing with certain proportion; Wherein said synthetic fiber are binder fibre, or the mixture of binder fibre and doughnut.
Used among this paper " weight % " is meant the percentage based on the weight meter.
On the one hand, the present invention provides a kind of nonwoven material, and it comprises:
Fiber, based on the total amount meter of said fiber, said fiber is by the renewable fiber of 20 weight % to 95 weight %, and the binder fibre of 5 weight % to 30 weight % and the doughnut of 0 to 50 weight % are formed; With
Be positioned at the spray glue of said fiber surface, the amount of said spray glue be 0 to 20 the gram/square metre.
Specifically describe the characteristics and the effect of each component in the nonwoven material of the present invention below.
1. renewable fiber
Used " renewable fiber " is meant that the natural polymer to extract from occurring in nature is a raw material among this paper, the fiber that the process spinning is processed.Renewable fiber is that the raw material sources iterative regenerable obtains, or the fiber with degradable function.Renewable fiber is divided into two kinds of the renewable azelons of renewable cellulose fiber peacekeeping.Its instantiation includes but not limited to: fibre and soya, zein fiber, bamboo fibre, flax fibre, day silk, chitin fiber, milk fibre, bombax cotton etc.Renewable fiber generally has good warmth retention property, feel and skin-friendly, but the nonwoven material bulking intensity of processing as raw material with renewable fiber fully is poor, and resilience is lower, and undercapacity does not have good washing resistance.
One or more renewable fibers be can use among the present invention, fibre and soya, zein fiber or their mixture preferably used.
Fibre and soya is soft, and color and luster is gentle, has the structure of special fine fibre, is beneficial to the absorption still air, and good warmth retention property can be provided, and when contacting with human body skin, has good skin-friendly.Fibre and soya mainly is made up of soybean protein, can be described as " green fiber ".
Zein fiber is the PLA acid fiber by polylactic of being processed into from corn, and is soft, has silk quality gloss, especially has good biodegradability and mechanical property.
Based on the total amount meter of fiber, the amount of renewable fiber can be 20 weight % to 95 weight % in the nonwoven material of the present invention, is preferably 30 weight % to 90 weight %, more preferably 50 weight % to 90 weight %.Except as otherwise noted, the total amount of fiber is meant the total amount of renewable fiber, binder fibre and doughnut among this paper.
When using the mixture of multiple renewable fiber, to the not restriction of ratio of various renewable fibers.For example, when the mixture with fibre and soya and zein fiber was used as renewable fiber, their weight ratio can be in 1: 9 to 9: 1 scope, preferably in 3: 7 to 7: 3 scope.
2. binder fibre
Use low-melting fiber as binder fibre among the present invention, its adding makes and is bonded together between the different fibers, thereby makes fibre web have certain intensity, and then improves heat insulating material formed washing resistance.Low-melting fiber is meant that fusing point is lower than 130 ℃ fibrous material.The present invention preferably uses low melting point polyester fiber, can use the low melting point polyester fiber of skin-core structure especially, uses the advantage of skin-core structure to be that it both can provide excellent bond performance, has certain intensity again, can guarantee the quality that fibre web is reinforced.The instantiation of binder fibre includes but not limited to: PET (PET) fiber, the two component ES of polyethylene/polypropylene (PE/PP) fiber, PLA (PLA) low-melting fiber etc.The present invention can use the low-melting fiber that is purchased as binder fibre, and the example includes but not limited to: Huvis low-melting fiber, Guangzhou ES bicomponent fibers etc.
Based on fiber total amount meter, the amount of binder fibre is 5 weight % to 30 weight % in the nonwoven material of the present invention, preferred 15 weight % to 25 weight %.
3. doughnut
The doughnut that in product of the present invention, uses belongs to rigid fiber, and it provides necessary supporting construction for fibre web, and the bulking intensity that has well solved renewable fiber is poor, and the problem that resilience is lower can increase thickness of product.The instance of operable doughnut comprises three-dimensional hollow polyester fibre among the present invention, three-dimensional hollow polypropylene, three-dimensional hollow polyacrylonitrile etc.Can use the doughnut that is purchased, the example includes but not limited to: the three-dimensional hollow polyester in Yizheng, far spin three-dimensional hollow polyester, the three-dimensional hollow polyester of Huvis, the high fine three-dimensional hollow polyester in the south of the River etc.
Based on fiber total amount meter, in nonwoven material of the present invention, the amount of doughnut is 0 to 50 weight %, preferred 15 weight % to 40 weight %, more preferably 25 weight % to 35 weight %.The amount of doughnut can be selected based on required product thickness, and generally speaking, along with the content increase of doughnut, resultant thickness of product also increases.
4. spray glue
Randomly on fiber surface, apply the spray glue-line through spray-bonding craft, it is submissive that this helps surface fiber, and intensity that simultaneously also can the fortifying fibre net reduces the fine fibre slip surface.Spray-bonding craft can carry out on the single or double of fiber, preferably sprays glue through two-sided spray-bonding craft.
The instance of spray glue includes but not limited to acrylate copolymer.
Spray-bonding craft can use glue to carry out with the common mode in this area, for example emulsion injection, particle jetting etc.The not special restriction of the amount of spray glue-line, be generally 20 grams/square metre below, can for 0 to 20 gram/square metre, be preferably 2 to 10 grams/square metre, more preferably 4 to 7 grams/square metre.The amount of spray glue can be through regulating jet size, pressure in the product, and spray gun shuttle speed etc. is controlled.
The fiber that uses among the present invention can be various common specifications.
The grammes per square metre value of nonwoven material of the present invention 50 to 400 the gram/square metre scope in, preferably 100 to 300 the gram/square metre scope in, more preferably 115 to 200 the gram/square metre scope in.The grammes per square metre value is measured through this area conventional method.
In the preferred embodiment of one of the present invention nonwoven material that has good warmth retention property and washing resistance simultaneously, based on fiber total amount meter, fiber is made up of 30% fibre and soya, 50% zein fiber and 20% binder fibre.
In another preferred embodiment of the present invention, in nonwoven material, based on fiber total amount meter, fiber is made up of 50% fibre and soya, 35% three-dimensional crimp doughnut and 15% binder fibre.
Can also in nonwoven material of the present invention, add other composition as required, for example can add functional particulates such as some far infrareds, pottery, phase transformation and further improve thermal property.
On the other hand; The present invention provides a kind of preparation method of nonwoven material; Said preparation method comprises the steps: the doughnut of the binder fibre of the renewable fiber of counting 20 weight % to 95 weight % based on the fiber total amount, 5 weight % to 30 weight % and 0 to 50 weight % is mixed, and shredding is given cotton; Become net, and oven dry.The preparation method of nonwoven material of the present invention can also be included in into the spray glue step of carrying out after the net step.
The present invention can utilize combing cross lapping technology to make nonwoven material.The process technology of being utilized in the present invention can for, for example, non-woven combing cross lapping, and make its reinforcing through hot blast adhesion forms fibre web, perhaps adopts non-woven air lay technology to form fibre web.Nonwoven material of the present invention can adopt different processing technologys to accomplish, and its instantiation includes but not limited to:
Non-woven work flow 1: mix-thick shredding-smart shredding-reinforce-cut coiling for cotton-combing-cross lapping-two-sided spray glue-oven dry;
Non-woven work flow 2: mix-thick shredding-smart shredding-reinforce-cut coiling for cotton-air lay-two-sided spray glue-oven dry.
Each step in the above-mentioned flow process can be carried out with the general fashion in this area.Wherein reinforce in the step, improve the intensity of product through making the binder fibre fusion in oven dry.
Embodiment
Specify technical scheme of the present invention through following examples, but the scope that they do not limit the present invention in any way.Only if specialize, the percentage that adopts among the present invention, content, ratio etc. are all by weight.
I. raw material
The raw material that uses in following examples is and is purchased, and specifically describes as follows:
Fibre and soya: specification 1.5d * 51mm can be available from the good sharp azelon in Zhejiang limited company, Changshu Jianghe TianRongSi Fiber Co., Ltd., river flowing from Guizhou Province through Hunan into Dongting Lake, Shanghai show fibre and soya Industrial Co., Ltd. etc.;
Zein fiber: specification 4d * 65mm can be available from Jiaxing City Puli Lay new material Co., Ltd, and Haining is ability Fabritex S.r.l. newly, Ying Paisi International Trading Company Ltd (do the Wuxi) etc.;
Binder fibre: the PET binder fibre, specification 2d * 51mm can be available from Huvis Co., Ltd, and bear Tianjin chemistry far spins Industrial Co., Ltd etc.;
Doughnut: specification 3d * 65mm can be available from Jiangsu Jiangnan Gaoxian Co., Ltd., and Industrial Co., Ltd etc. is far spun by fiber Co., Ltd in Yizheng;
Glue: acrylate copolymer, can be available from Xiamen Ai Kema industrial chemicals Co., Ltd, the Shanghai magnificent chemical color of literary composition Co., Ltd, DOW Chemical Co., Ltd etc.
Among the embodiment gsm represent the gram/square metre.
II. embodiment and comparative example
Embodiment 1 (a)
Composition proportion: fibre and soya 8kg, binder fibre 2kg, glue 6gsm.
Processing technology: mix-thick shredding-smart shredding-give cotton-combing-cross lapping-spray glue-oven dry reinforcing-coiling.Specific procedure is described below.
1. at first, ratio is according to the rules carried out thick, smart shredding to the fiber that mixes then with different fiber mixing, and each opening roller is arranged in the 30-50Hz scope, so that fiber block becomes tiny fibre bundle, and the filtering impurities in raw materials.
2. secondly, through feeding hopper feeding carding machine, its main purpose is that fibre bundle is carded to single ordered state with fibre bundle, and then via the doffer, the fiber output that combing is good forms even fibre web.The grammes per square metre of fibre web is arranged between the 8-20gsm.
3. after fibre web gets into cross lapping machine, can and accept the number of plies of the speed controlling lapping of curtain, reaching the grammes per square metre of 100-150gsm, and can improve the uniformity of fibre web through the lapping machine.
4. then, range upon range of good fibre web is carried out two-sided surface spray glue.Get into baking oven then, carry out hot blast and reinforce, to improve the brute force of fibre web.
5. last, can cut coiling according to required fabric width.
Embodiment 1 (b)
Composition proportion is identical with embodiment 1 (a) with processing technology, and difference is fibre web is carried out monoplanar surface spray glue.
Embodiment 2
Composition proportion: zein fiber 8kg, binder fibre 2kg, glue 6gsm.
Processing technology is with embodiment 1 (a).
Embodiment 3
Composition proportion: fibre and soya 3kg, zein fiber 5kg, binder fibre 2kg, glue 6gsm.
Processing technology is with embodiment 1 (a).
Embodiment 4
Composition proportion: fibre and soya 5kg, three-dimensional crimp doughnut 3.5kg, binder fibre 1.5kg, glue 6gsm.
Processing technology is with embodiment 1 (a).
Comparative example 1
Composition proportion: fibre and soya 3kg, doughnut 7kg, glue 6gsm.
Processing technology is with embodiment 1 (a).
Comparative example 2
Composition proportion: fibre and soya 5kg, doughnut 5kg, glue 6gsm.
Processing technology is with embodiment 1 (a).
III. characterizing method
Adopt the conventional method in this area to measure the performance of products that obtains among the above embodiment.
Concrete measuring method is following:
Grammes per square metre: the weight of specimen size 50cm * 50cm, using precision is that 0.01 balance is weighed.
Thickness: adopt thickness gauge to measure, pressure is 190 gram counterweights.
Warming value: adopt dull and stereotyped Crow appearance, test according to the thermal resistance under the GB/T 1104-2008 textiles physiological comfort property limit and the mensuration of wet resistance.
Method for washing: wash with 7A program in home washings and the drying program according to the test of GB/T 8629 textiless.
Pulling force: take powerful mensuration according to FZ/T60010 composite flake ultimate strength and extension at break and assembly and test.
Bulking intensity and elasticity of compression rate: according to 6.10 testing in the FZ/T64006 compound insulating material wool type composite flake.
The characterization result that shows embodiment 4 products in the table 1.
The basic mechanical design feature of table 1. embodiment 4
At present, have the heat insulating material formed of grammes per square metre of the same race now, its thickness is between 0.8-2.0cm, and the Clo value is between 1.0-2.8; Washing thermal resistance conservation rate is about more than 50%; The about 3-70N/g of lateral pull, the about 0.5-25N/g of longitudinal pulling force; The about 30cm of bulking intensity 3More than/the g, between the about 40-97% of elasticity of compression rate.Result from table 1 can see, renewable heat insulating material formed among the present invention has good warming value, and well in length and breadth to pulling force, bulkiness is good, and elasticity of compression rate is big.And after 5 washings, compare with the product of comparative example, product appearance of the present invention does not have significant change, and still demonstrates higher thermal resistance conservation rate, proves that its water-wash resistance is good.
Therefore, product of the present invention is a kind of nonwoven material that possesses high heat-retention, washing resistance and biodegradability simultaneously.

Claims (16)

1. nonwoven material, it comprises:
Fiber, based on the total amount meter of said fiber, said fiber comprises the renewable fiber of 20 weight % to 95 weight %, the binder fibre of 5 weight % to 30 weight % and the doughnut of 0 to 50 weight %; With
Be positioned at the spray glue of said fiber surface, the amount of said spray glue be 0 to 20 the gram/square metre.
2. nonwoven material according to claim 1, wherein said fiber comprise the renewable fiber of 30 weight % to 90 weight %.
3. nonwoven material according to claim 1, wherein said fiber comprise the renewable fiber of 50 weight % to 90 weight %.
4. nonwoven material according to claim 1, wherein said fiber comprise the binder fibre of 15 weight % to 25 weight %.
5. nonwoven material according to claim 1, wherein said fiber comprise the doughnut of 15 weight % to 40 weight %.
6. nonwoven material according to claim 1, wherein said fiber comprise the doughnut of 25 weight % to 35 weight %.
7. nonwoven material according to claim 1, the amount of wherein said spray glue be 2 to 10 the gram/square metre.
8. nonwoven material according to claim 1, the amount of wherein said spray glue be 4 to 7 the gram/square metre.
9. according to each described nonwoven material in the claim 1 to 8, wherein said renewable fiber is selected from fibre and soya, zein fiber, bamboo fibre, Sheng-bast fiber or their mixture.
10. according to each described nonwoven material in the claim 1 to 8, wherein said binder fibre is selected from dacron fibre, the two component ES fibers of polyethylene/polypropylene, PLA low-melting fiber, or their mixture.
11. according to each described nonwoven material in the claim 1 to 8, wherein said doughnut is selected from three-dimensional hollow polypropylene, three-dimensional hollow polyacrylonitrile, or their mixture.
12. according to each described nonwoven material in the claim 1 to 8, wherein said spray glue is acrylate copolymer.
13. nonwoven material according to claim 1, its grammes per square metre value 50 to 400 the gram/square metre scope in.
14. a method that is used to prepare nonwoven material, said method comprises the steps:
To count the renewable fiber of 20 weight % to 95 weight %, the binder fibre of 5 weight % to 30 weight % and the doughnut of 0 to 50 weight % based on the fiber total amount mixes;
Shredding;
Give cotton;
Become net; With
Oven dry.
15. method according to claim 14 also is included in into the net step and carries out the following step afterwards:
Fiber is carried out single or double spray glue.
16. according to claim 14 or 15 described methods, wherein said one-tenth net step is carried out through combing cross lapping or air lay.
CN2011102758725A 2011-09-16 2011-09-16 Renewable fiber-based non-woven material and preparation method thereof Pending CN102677396A (en)

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CN103572509A (en) * 2013-05-14 2014-02-12 安吉登冠竹木开发有限公司 Multifunctional bamboo-fiber flocculus
CN103882714A (en) * 2012-12-21 2014-06-25 3M创新有限公司 Waterproof non-woven heat-preservation material making method and waterproof non-woven heat-preservation material
CN104499184A (en) * 2014-11-05 2015-04-08 江苏顺远纺织科技有限公司 Nonwoven fabric suitable for use as interior decorative material and production method thereof
CN104593948A (en) * 2013-10-30 2015-05-06 3M创新有限公司 Method for manufacturing fluffy temperature-regulating warm-keeping material and fluffy temperature-regulating warm-keeping material
CN105029786A (en) * 2015-07-28 2015-11-11 南通诚誉服装有限公司 Ceiba composite fabric
CN106048894A (en) * 2016-08-12 2016-10-26 温州新宇无纺布有限公司 Nonwoven fabric and production process and application thereof
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CN103882714B (en) * 2012-12-21 2016-07-13 3M创新有限公司 Manufacture and refuse the method for water non-woven warmth-retaining material and refuse water non-woven warmth-retaining material
CN103882714A (en) * 2012-12-21 2014-06-25 3M创新有限公司 Waterproof non-woven heat-preservation material making method and waterproof non-woven heat-preservation material
CN103572509A (en) * 2013-05-14 2014-02-12 安吉登冠竹木开发有限公司 Multifunctional bamboo-fiber flocculus
US10329700B2 (en) 2013-10-30 2019-06-25 3M Innovative Properties Company Method for producing a fluffy temperature regulating warmth retention material and fluffy temperature regulating warmth retention material
CN104593948A (en) * 2013-10-30 2015-05-06 3M创新有限公司 Method for manufacturing fluffy temperature-regulating warm-keeping material and fluffy temperature-regulating warm-keeping material
CN104593948B (en) * 2013-10-30 2017-04-12 3M创新有限公司 Method for manufacturing fluffy temperature-regulating warm-keeping material and fluffy temperature-regulating warm-keeping material
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CN105029786A (en) * 2015-07-28 2015-11-11 南通诚誉服装有限公司 Ceiba composite fabric
CN106192207A (en) * 2016-07-29 2016-12-07 河南工程学院 A kind of environment-protection fiber flocculus and manufacture method thereof
CN106273843A (en) * 2016-08-03 2017-01-04 苏州东胜化纤纺织有限公司 A kind of lightweight thermal fabric
CN106087257A (en) * 2016-08-12 2016-11-09 杭州三星羽绒制品有限公司 The processing method of down filler
CN106048894B (en) * 2016-08-12 2018-08-07 温州新宇无纺布有限公司 A kind of non-woven fabrics and its production technology and application
CN106048894A (en) * 2016-08-12 2016-10-26 温州新宇无纺布有限公司 Nonwoven fabric and production process and application thereof
CN106739248B (en) * 2016-11-23 2019-07-02 杭州致伦科技有限公司 A kind of automobile antibacterial sound insulating pad and preparation method thereof
CN106757776A (en) * 2016-11-23 2017-05-31 郑州源冉生物技术有限公司 A kind of vehicle noise insulation pad and preparation method thereof
CN106739248A (en) * 2016-11-23 2017-05-31 郑州源冉生物技术有限公司 A kind of automobile antibacterial sound insulating pad and preparation method thereof
CN106757776B (en) * 2016-11-23 2018-12-28 江苏博金斯汽车部件科技有限公司 A kind of preparation method of vehicle noise insulation pad
CN107956044A (en) * 2017-11-17 2018-04-24 山东天富非织造材料有限公司 A kind of cleaning wiping cloth and preparation method thereof
CN108360146A (en) * 2018-03-06 2018-08-03 张欢 A kind of bamboo fiber nonwovens face layer of water-fast antibacterial and preparation method thereof
CN108894050A (en) * 2018-05-04 2018-11-27 河南工程学院 The preparation method and application of high efficiency filter hollow-fibre membrane non-woven material

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Application publication date: 20120919