CN101638847B - Formaldehyde-free durable crease-proof finishing agent used for cellulosic fiber fabric - Google Patents
Formaldehyde-free durable crease-proof finishing agent used for cellulosic fiber fabric Download PDFInfo
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Abstract
The invention relates to the technical field of textile finishing agents, in particular to a formaldehyde-free durable crease-proof finishing agent which is prepared by adopting the following raw material proportions: 20.0%-40.0% of acetal crosslinking agent, 28.0%-50.0% of polymeric carboxylic acid, 5.0%-10.0% of polysiloxane, 8.0%-15.0% of catalyst and 8.0%-16.0% of deionized water; the finishing agent is characterized in that an crease recovery angle of the cellulosic fiber fabric treated by the finishing agent can reach above 299 degrees, and maintain above 287 degrees after the cellulosic fiber fabric is washed for 5 times; the whiteness of the fabric after being finished is above 78.2%, and the tear strength retention rate is 68%-75%; and the composition is applicable to cotton fiber, bast fiber, bamboo pulp fiber (Lyocell), viscose fiber, Modal fiber and tencel fiber.
Description
Technical field:
The present invention relates to the textile finshing agent technical field, particularly a kind of formaldehyde-free durable crease-proof finishing agent.
Background technology:
That cellulose base fiber fabric has is soft, gloss is soft, warmth retention property good, strong to stand up to hard wear, absorption of perspiration is strong, advantage such as comfortable and easy to wear; Simultaneously cellulose base fiber fabric also exist wrinkle resistance poor, crease easily, be prone to shrink, shortcoming such as needs flatiron after the washing; In order to improve its wearability and commercial value, adopt the adding wash and wear finisher to put processing in order usually.Used wash and wear finisher mainly contains urea-formaldehydes, carbamide class, hydroxymethyl-2 dihydroxy-ethylene urea, dimethylol carbamate, N-methylol amide resinoid initial reduced body and etherate etc.; Fabric after the arrangement has the very high wrinkle resistance of doing, wet; And the very seam and the seam mark that form when ready-made clothes press to be scalded remain unchanged after washing, reaches and synthetic fiber, woollen suitable effect.But carry out that cellulose base fiber fabric after noniron finish adds man-hour, arrangement is being deposited or wearing process in decompose and to discharge formaldehyde; Influence health and contaminated environment; In countries such as America and Europes; The range of application of PARA FORMALDEHYDE PRILLS(91,95) class finishing agent has been carried out strict control, and formaldehyde-free durable crease-proof finishing agent replaces the formaldehydes wash and wear finisher just gradually, and formaldehydeless permanent press finishing agent mainly comprises following several types at present:
(1) polybasic carboxylic acid class finishing agent
BTCA (BTCA) and citric acid (CA) are on the micromolecule polybasic carboxylic acid of representative, and BTCA is a kind of effect formaldehydeless permanent press finishing agent preferably, and detailed introduction is just arranged in the U.S. Pat 4820307, but strength retention is low, and price is relatively expensive; CA has that product is easy to get, the characteristics of cheap and safety non-toxic, but finishing effect is not satisfactory.With maleic anhydride is main unit, obtains the polymerization polybasic carboxylic acid through polymerisation, because the carboxyl number on its molecular weight and the strand all is adjustable; And cost of material is relatively low; Finishing effect is also more satisfactory, but acidity is too high, and fabric is prone to jaundice; Strength loss is bigger, has done detailed introduction with regard to this technology on the one hand among Chinese patent CN01113532.8 and the CN1090351A.
(2) water-soluble thermal-reactive polyurethane finishing agent
The filming performance of polyurethane finishing agent is better than amino resins, and is soft.Domestic once it being combined with 2D resin or Liquid Ammonia Treatment is used for the noniron finish of pure cotton fabric, can obtain desirable Influencing Non-Ironing Finish, is not enough to reach non-ironing level but use separately, and general and other resins are also used.At present such wash and wear finisher also is in the development stage, and major obstacle is from two aspects: 1) desirable synthon needs from external import, thereby production cost is high; 2) quality of producing in batches is unstable.
(3) natural high polymer shitosan finishing agent
Utilizing the solubility of shitosan and the characteristics that can change each other of film forming and shitosan and chitin chemistry structure, is that raw material and acetic anhydride are made curing agent transition with the shitosan, can obtain the non-formaldehyde DP finish agent of a kind of crust type; The COTTON FABRIC ironing-free performance of arrangement obviously improves, and washability is better, and ultimate strength is almost constant; Non-ironing effect can be suitable with synthetic 2D resin; And fabric whiteness is not produced appreciable impact, but can not use separately, and the cotton goods gas permeability is descended.
The present invention is through research formaldehyde-free durable crease-proof finishing agent and application technology thereof; Develop novel formaldehyde-free finishing agent and production technology thereof with durable non-ironing function, the nothing of realization cellulose base fiber fabric durable crease-proof finishing and use poisons provides technology and product.
Summary of the invention:
The objective of the invention is to the deficiency to prior art, provide a kind of have formaldehydeless, creasy recovery angle is high, water-fastly wash, whiteness is high is used for the non-ironing textile finshing agent of formaldehyde-free durable put in order behind the cellulose base fiber fabric.The cellulose base fiber fabric creasy recovery angle of handling with finishing agent of the present invention can reach more than 299 °, and after washing 5 times, creasy recovery angle is more than 287 °, and arrangement back fabric whiteness is more than 78.2%, and the tearing brute force retention rate is 68%～75%.
Another object of the present invention provides a kind of preparation method and technique for applying of handling the non-ironing textile finshing agent of formaldehyde-free durable of cellulose base fiber fabric.
The operation principle of formaldehyde-free durable crease-proof finishing agent of the present invention is:
Acetal crosslinker in the presence of the catalyst with response type polysiloxanes and cellulose on hydroxyl, epoxy radicals, amino cross-linking reaction, generate corresponding ehter bond, N-hydroxy compounds, the latter further is cross-linked into netted compound; The polyhydroxy polycarboxylic acid carboxyl in the presence of the catalyst can with the hydroxyl reaction on the cellulose; Fiber molecule is coupled together; Formed the crosslinked three-dimensional network of ester between cellulose macromolecule; Simultaneously polyhydroxy polycarboxylic acid at high temperature also can with the response type polysiloxanes condensation cross-linking of a fixed structure, form cancellated big molecule.Thereby the reaction mechanism of composition of the present invention is in the presence of catalyst, and polyhydroxy polycarboxylic acid, acetal crosslinker, response type polysiloxanes and cellulosic molecule carry out cross-linking reaction, forms the stereoscopic three-dimensional Internet; Wrinkle resistance and the easy-care properties and the flexible smooth property of fabric have been given; Because intermolecular mutual network structure has had strand and rises appreciably, can effectively form the bridge chain simultaneously; Can improve the brute force and the washability of fabric, improve the whiteness of fabric.
According to above operation principle, be the realization above-mentioned purpose, a kind of non-ironing textile finshing agent of formaldehyde-free durable that is used for cellulose base fiber fabric, said composition is composed of the following components by weight percentage:
Acetal crosslinker 20.0%～40.0%;
Polyhydroxy polycarboxylic acid 28.0%～50.0%;
Polysiloxane 5.0%～10.0%;
Catalyst 8.0%～15.0%;
Deionized water 8.0%～16.0%,
Wherein, described cellulose fibre and goods thereof comprise cotton fiber, flax fibre, bamboo pulp fiber, Lyocel, viscose, Modal fiber, tencel fiber; Described acetal crosslinker be polyethylene glycol and glyoxal condensation product; Described polyhydroxy polycarboxylic acid is maleic acid, itaconic acid and polymerizing acrylic acid thing; Polysiloxane is the polysiloxane of response type; Catalyst is any two kinds composition in a kind of or above-mentioned substance in magnesium chloride, citric acid, tartaric acid, aluminum sulfate, boric acid, ammonium chloride, the sodium hypophosphite.
Described acetal crosslinker is a reactive material for being dissolved in the water with polyethylene glycol and glyoxal, and sulfamic acid is a catalyst, obtains in 4～8 hours 50～85 ℃ of reactions; The molecular weight of product is 400～800; Solid content is 60%, and pH value is 5.5～6.5, and outward appearance is a light-coloured transparent liquid.
Said polysiloxane is a kind of in amido silicone oil microemulsion, CATION organosilicon hydroxyl latex emulsion, amino-polyether modified silicone oil, the epoxidized polyether modified silicon oil.
The related content of technique scheme is explained as follows:
1, in the such scheme, described polyhydroxy polycarboxylic acid is a reactive material for being dissolved in the water with maleic acid, itaconic acid and acrylic acid, and iron ammonium sulfate is an activator; Hydrogen peroxide solution is a catalyst; Obtained in 3～6 hours 80～100 ℃ of reactions, the molecular weight of product is 1200～1800, and solid content is 60%; PH value is 3.5～4.5, and outward appearance is a yellow transparent liquid.
2, in the above-mentioned such scheme, said amido silicone oil microemulsion is 0.4～0.6mgHCL/g for the ammonia value, and the molecular weight of amido silicon oil is 3000～5000, and effective content is at 60% liquid; CATION organosilicon hydroxyl latex emulsion be effective content 60%, hydroxyl value is 0.2～0.5, molecular weight is at 500000～800000 organic silicon emulsion; Amino-polyether modified silicone oil be the ammonia value at 0.1～0.4mgHCL/g, the mass ratio of polyethers and siloxanes was at 1: 1～1: 4 waterborne liquid; The epoxidized polyether modified silicon oil be epoxide number 0.05～0.2, the mass ratio of polyethers and siloxanes was at 1: 1～1: 3 golden yellow liquid.
3, in the such scheme, described catalyst is a kind of in mixture, magnesium chloride or the sodium hypophosphite of tartaric acid and aluminum sulfate.
4, in the such scheme, it consists of the mass ratio 2: 8～4: 6 of tartaric acid and aluminum sulfate described tartaric acid and aluminum sulfate mixture.
5, in the such scheme; The preparation method who is used for the formaldehyde-free durable crease-proof finishing agent of cellulose base fiber fabric arrangement is: the catalyst with said ratio joins deionized water earlier; Use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add polyhydroxy polycarboxylic acid and organosiloxane then, stirred 30 minutes, it is translucent to transparency liquid to make light color, promptly described formaldehyde-free durable crease-proof finishing agent.
6, in the such scheme, a kind of formaldehyde-free durable crease-proof finishing method of cellulose base fiber fabric, this method for sorting uses formaldehyde-free durable crease-proof finishing agent of the present invention, and employing is padded or dip finishing technology is carried out noniron finish to fabric; Technological parameter is: the fabric liquid carrying rate is that 75%～85%, 95～100 ℃ of preliminary drying to fabric liquid carrying rates are to bake 5～18 minutes under 4%～8%, 140～165 ℃, normal temperature moisture equilibrium at dry side 24 hours.
7, elastic recovery angle of the present invention is pressed GB/T3819-1997 " mensuration of textile product standard-textile fabric folding line recovery is replied horn cupping " test; The fabric tearing brute force is pressed GB/T3917.3-1997 " mensuration of textile fabric tear properties third part trapezoid tear strength " test; Whiteness is tested by GB/T8425-1987 " textile color stability is tested the objective ranking method of relative whiteness ".
The specific embodiment:
For a better understanding of the present invention, below in conjunction with embodiment the present invention is done further elaboration.
Embodiment 1
A kind of formaldehyde-free durable crease-proof finishing agent, composed of the following components by weight percentage:
Acetal crosslinker (molecular weight is 500) 30.0%;
Polyhydroxy polycarboxylic acid (molecular weight is 1400) 40.0%;
Amino silicon oil emulsion 8.0%;
Magnesium chloride 10.0%;
Deionized water 12.0%,
Earlier magnesium chloride is joined in the deionized water, use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add polyhydroxy polycarboxylic acid and amino silicon oil emulsion then, stirred 30 minutes, make light-coloured transparent liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
With the finishing agent of gained pure cotton fabric is adopted and to pad technology and do durable crease-proof finishing, working solution concentration is 200g/L, and the fabric liquid carrying rate is that 80%, 100 ℃ of preliminary drying to fabric liquid carrying rate is to bake under 4%, 155 ℃ 8 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 327 ° of fabric pincher recovery angle, after washing 5 times, 304 ° of creasy recovery angles, arrangement back fabric whiteness is 78.2%, the tearing brute force retention rate is 71.2%.
Embodiment 2
The non-ironing textile finshing agent of a kind of formaldehyde-free durable, composed of the following components by weight percentage:
Acetal crosslinker (molecular weight is 600) 25.0%;
Polyhydroxy polycarboxylic acid (molecular weight is 1500) 42.0%;
CATION organosilicon hydroxyl galact liquid 9.0%;
Tartaric acid 3.0%;
Aluminum sulfate 8.0%;
Deionized water 13.0%,
Earlier tartaric acid, aluminum sulfate are joined in the deionized water, use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add polyhydroxy polycarboxylic acid and CATION organosilicon hydroxyl galact liquid then, stirred 30 minutes, make shallow white transparency liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
Finishing agent with gained is done durable crease-proof finishing to 65/35 polyester-cotton fabric employing impregnation technology, and working solution concentration is 200g/L, centrifuge dripping; Liquid carrying rate is 75%; 100 ℃ of preliminary drying to fabric liquid carrying rates are to bake under 5%, 145 ℃ 18 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 310 ° of fabric pincher recovery angle, after washing 5 times, 302 ° of creasy recovery angles, arrangement back fabric whiteness is 81.6%, the tearing brute force retention rate is 68%.
Embodiment 3
The non-ironing textile finshing agent of a kind of formaldehyde-free durable, composed of the following components by weight percentage:
Acetal crosslinker (molecular weight is 700) 39.0%;
Polyhydroxy polycarboxylic acid (molecular weight is 1600) 33.0%;
Epoxidized polyether modified silicon oil 6.0%;
Tartaric acid 5.0%;
Aluminum sulfate 8.0%;
Deionized water 9.0%,
Earlier tartaric acid and aluminum sulfate are joined in the deionized water, use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add polyhydroxy polycarboxylic acid and epoxidized polyether modified silicon oil then, stirred 30 minutes, make light-coloured transparent liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
With the finishing agent of gained sodolin is adopted and to pad technology and do durable crease-proof finishing, working solution concentration is 180g/L, and the fabric liquid carrying rate is that 85%, 100 ℃ of preliminary drying to fabric liquid carrying rate is to bake under 7%, 165 ℃ 10 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 299 ° of fabric pincher recovery angle, after washing 5 times, 287 ° of creasy recovery angles, arrangement back fabric whiteness is 79.1%, the tearing brute force retention rate is 69%.
Embodiment 4
The non-ironing textile finshing agent of a kind of formaldehyde-free durable, composed of the following components by weight percentage:
Acetal crosslinker (molecular weight is 700) 39.0%;
Polyhydroxy polycarboxylic acid (molecular weight is 1600) 33.0%;
Epoxidized polyether modified silicon oil 6.0%;
Tartaric acid 4.0%;
Aluminum sulfate 10.0%;
Deionized water 8.0%,
Earlier tartaric acid and aluminum sulfate are joined in the deionized water, use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add polyhydroxy polycarboxylic acid and epoxidized polyether modified silicon oil then, stirred 30 minutes, make light-coloured transparent liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
With the finishing agent of gained sodolin is adopted and to pad technology and do durable crease-proof finishing, working solution concentration is 180g/L, and the fabric liquid carrying rate is that 85%, 100 ℃ of preliminary drying to fabric liquid carrying rate is to bake under 7%, 165 ℃ 10 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 301 ° of fabric pincher recovery angle, after washing 5 times, 288 ° of creasy recovery angles, arrangement back fabric whiteness is 78.6%, the tearing brute force retention rate is 70%.
Embodiment 5
The non-ironing textile finshing agent of a kind of formaldehyde-free durable, composed of the following components by weight percentage:
Acetal crosslinker (molecular weight is 800) 35.0%;
Polyhydroxy polycarboxylic acid (molecular weight is 1200) 38.0%;
Amino-polyether modified silicone oil 5.0%;
Magnesium chloride 9.0%;
Deionized water 13.0%,
Earlier magnesium chloride is joined in the deionized water, use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add polyhydroxy polycarboxylic acid and amino-polyether modified silicone oil then, stirred 30 minutes, make light-coloured transparent liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
With the finishing agent of gained viscose fiber fabric is adopted and to pad technology and do durable crease-proof finishing, working solution concentration is 210g/L, and the fabric liquid carrying rate is that 85%, 100 ℃ of preliminary drying to fabric liquid carrying rate is to bake under 8%, 160 ℃ 10 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 318 ° of fabric pincher recovery angle, after washing 5 times, 302 ° of creasy recovery angles, arrangement back fabric whiteness is 82.3%, the tearing brute force retention rate is 74%.
Embodiment 6
The non-ironing textile finshing agent of a kind of formaldehyde-free durable, composed of the following components by weight percentage:
Acetal crosslinker (molecular weight is 400) 22.0%;
Polyhydroxy polycarboxylic acid (molecular weight is 1800) 50.0%;
Amino-polyether modified silicone oil 7.0%;
Sodium hypophosphite 8.0%;
Deionized water 13.0%,
Earlier sodium hypophosphite is joined in the deionized water, use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add then and gather many no carboxylic acids and amino-polyether modified silicone oil, stirred 30 minutes, make light-coloured transparent liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
With the finishing agent of gained the Modal fabric is adopted and to pad technology and do durable crease-proof finishing, working solution concentration is 220g/L, and the fabric liquid carrying rate is that 80%, 100 ℃ of preliminary drying to fabric liquid carrying rate is to bake under 4%, 155 ℃ 8 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 332 ° of fabric pincher recovery angle, after washing 5 times, 310 ° of creasy recovery angles, arrangement back fabric whiteness is 78.7%, the tearing brute force retention rate is 75%.
Below in conjunction with ratio the present invention is further described:
Comparative example 1
The non-ironing textile finshing agent of a kind of formaldehyde-free durable, composed of the following components by weight percentage:
Acetal crosslinker 35.0%;
Polyhydroxy polycarboxylic acid 45.0%;
Amino silicon oil emulsion 8.0%;
Catalyst 0;
Deionized water 12.0%,
Earlier acetal crosslinker is joined in the deionized water; Use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, add polyhydroxy polycarboxylic acid and amino silicon oil emulsion then, stirred 30 minutes; Make light-coloured transparent liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
With the finishing agent of gained pure cotton fabric is adopted and to pad technology and do durable crease-proof finishing, working solution concentration is 200g/L, and the fabric liquid carrying rate is that 80%, 100 ℃ of preliminary drying to fabric liquid carrying rate is to bake under 4%, 155 ℃ 8 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 161 ° of fabric pincher recovery angle, after washing 5 times, 152 ° of creasy recovery angles, arrangement back fabric whiteness is 75.6%, the tearing brute force retention rate is 51%.
Comparative example 2
The non-ironing textile finshing agent of a kind of formaldehyde-free durable, composed of the following components by weight percentage:
Acetal crosslinker 33.0%;
Polyhydroxy polycarboxylic acid 46.0%;
Amino silicon oil emulsion 0;
Tartaric acid 2.0%;
Aluminum sulfate 6.0%;
Deionized water 13.0%,
Earlier tartaric acid, aluminum sulfate are joined in the deionized water, use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add polyhydroxy polycarboxylic acid then, stirred 30 minutes, make light-coloured transparent liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
Finishing agent with gained is done durable crease-proof finishing to 65/35 polyester-cotton fabric employing impregnation technology, and working solution concentration is 200g/L, centrifuge dripping; Liquid carrying rate is 75%; 100 ℃ of preliminary drying to fabric liquid carrying rates are to bake under 5%, 145 ℃ 18 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 276 ° of fabric pincher recovery angle, after washing 5 times, 216 ° of creasy recovery angles, arrangement back fabric whiteness is 77.6%, the tearing brute force retention rate is 51%.
Comparative example 3
The non-ironing textile finshing agent of a kind of formaldehyde-free durable, composed of the following components by weight percentage:
Acetal crosslinker 40.0%;
Polyhydroxy polycarboxylic acid 0;
Epoxidized polyether modified silicon oil 10.0%;
Magnesium chloride 15.0%;
Deionized water 35.0%,
Earlier magnesium chloride is joined in the deionized water, use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add the epoxidized polyether modified silicon oil then, stirred 30 minutes, make light-coloured transparent liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
With the finishing agent of gained sodolin is adopted and to pad technology and do durable crease-proof finishing, working solution concentration is 200g/L, and the fabric liquid carrying rate is that 85%, 100 ℃ of preliminary drying to fabric liquid carrying rate is to bake under 7%, 165 ℃ 10 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 231 ° of fabric pincher recovery angle, after washing 5 times, 205 ° of creasy recovery angles, arrangement back fabric whiteness is 80.3%, the tearing brute force retention rate is 65%.
Comparative example 4
The non-ironing textile finshing agent of a kind of formaldehyde-free durable, composed of the following components by weight percentage:
Acetal crosslinker 0;
Polyhydroxy polycarboxylic acid 50.0%;
Amino silicon oil emulsion 9.0%;
Sodium hypophosphite 13.0%;
Deionized water 28.0%,
Earlier sodium hypophosphite is joined in the deionized water; Use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, add polyhydroxy polycarboxylic acid and amino silicon oil emulsion, stirred 30 minutes; Make light-coloured transparent liquid, promptly described formaldehyde-free durable crease-proof finishing agent.
With the finishing agent of gained viscose fiber fabric is adopted and to pad technology and do durable crease-proof finishing, working solution concentration is 200g/L, and the fabric liquid carrying rate is that 85%, 100 ℃ of preliminary drying to fabric liquid carrying rate is to bake under 8%, 160 ℃ 10 minutes, normal temperature moisture equilibrium at dry side 24 hours.Through test, 261 ° of fabric pincher recovery angle, after washing 5 times, 245 ° of creasy recovery angles, arrangement back fabric whiteness is 58.3%, the tearing brute force retention rate is 43%.
From above four comparative examples, find out that when lacking a kind of component in the composition, its effect is affected in various degree.
The above results has been explained the validity of composition of the present invention; Certainly; Above-described embodiment is preferred embodiment of the present invention, is not to limit practical range of the present invention; So all equivalences of doing according to described structural formula of claim of the present invention or processing step change or modify, and include in claim of the present invention.
Claims (7)
1. formaldehyde-free durable crease-proof finishing agent composition that is used to handle cellulose base fiber fabric, said composition is composed of the following components by weight percentage:
Acetal crosslinker 20.0%～40.0%;
Polyhydroxy polycarboxylic acid 28.0%～50.0%;
Polysiloxane 5.0%～10.0%;
Catalyst 8.0%～15.0%;
Deionized water 8.0%～16.0%,
Described cellulose fibre comprises cotton fiber, flax fibre, bamboo pulp fiber, Lyocell, viscose, Modal fiber, tencel fiber; Described acetal crosslinker be polyethylene glycol and glyoxal condensation product; Described polyhydroxy polycarboxylic acid is maleic acid, itaconic acid and polymerizing acrylic acid thing; Polysiloxane is the polysiloxane of response type; Catalyst is any two kinds composition in a kind of or above-mentioned substance in magnesium chloride, citric acid, tartaric acid, aluminum sulfate, boric acid, ammonium chloride, the sodium hypophosphite.
Described acetal crosslinker is a reactive material for being dissolved in the water with polyethylene glycol and glyoxal, and sulfamic acid is a catalyst, obtains in 4～8 hours 50～85 ℃ of reactions; The molecular weight of product is 400～800; Solid content is 60%, and pH value is 5.5～6.5, and outward appearance is a light-coloured transparent liquid.
Said polysiloxane is a kind of in amido silicone oil microemulsion, CATION organosilicon hydroxyl latex emulsion, amino-polyether modified silicone oil, the epoxidized polyether modified silicon oil.
2. a kind of formaldehyde-free durable crease-proof finishing agent composition that is used to handle cellulose base fiber fabric according to claim 1 is characterized in that described polyhydroxy polycarboxylic acid is a reactive material for being dissolved in the water with maleic acid, itaconic acid and acrylic acid, and iron ammonium sulfate is an activator; Hydrogen peroxide solution is a catalyst; Obtained in 3～6 hours 80～100 ℃ of reactions, the molecular weight of product is 1200～1800, and solid content is 60%; PH value is 3.5～4.5, and outward appearance is a yellow transparent liquid.
3. a kind of formaldehyde-free durable crease-proof finishing agent composition that is used to handle cellulose base fiber fabric according to claim 1; It is characterized in that said amido silicone oil microemulsion is 0.4～0.6mgHCL/g for the ammonia value; The molecular weight that gathers amino silane is 3000～5000, and effective content is at 60% liquid; CATION organosilicon hydroxyl latex emulsion be effective content 60%, hydroxyl value is 0.2～0.5, molecular weight is at 500000～800000 organic silicon emulsion; Amino-polyether modified silicone oil be the ammonia value at 0.1～0.4mgHCL/g, the mass ratio of polyethers and siloxanes was at 1: 1～1: 4 waterborne liquid; The epoxidized polyether modified silicon oil be epoxide number 0.05～0.2, the mass ratio of polyethers and siloxanes was at 1: 1～1: 3 golden yellow liquid.
4. a kind of formaldehyde-free durable crease-proof finishing agent composition that is used to handle cellulose base fiber fabric according to claim 1 is characterized in that described catalyst is a kind of in mixture, magnesium chloride or the sodium hypophosphite of tartaric acid and aluminum sulfate.
5. according to claim 1 or 4 described a kind of formaldehyde-free durable crease-proof finishing agent compositions that are used to handle cellulose base fiber fabric, it consists of the mass ratio 2: 8～4: 6 of tartaric acid and aluminum sulfate to it is characterized in that described tartaric acid and aluminum sulfate mixture.
6. the preparation method of the formaldehyde-free durable crease-proof finishing agent of a cellulose base fiber fabric; It is characterized in that: prescription according to claim 1; Catalyst with said ratio joins in the deionized water earlier; Use agitator under 80～100r/min rotating speed, to stir 10～15 minutes, the acetal crosslinker that adds said ratio continues to stir; Add polyhydroxy polycarboxylic acid and polysiloxane then, stirred 30 minutes, it is translucent to transparency liquid to make light color, promptly described formaldehyde-free durable crease-proof finishing agent.
7. the formaldehyde-free durable crease-proof finishing method of a cellulose base fiber fabric is characterized in that this method for sorting uses the described formaldehyde-free durable crease-proof finishing agent of claim 1, and employing is padded or dip finishing technology is carried out noniron finish to fabric; Technological parameter is: the fabric liquid carrying rate is that 75%～85%, 95～100 ℃ of preliminary drying to fabric liquid carrying rates are to bake 8～10 minutes under 4%～8%, 140～165 ℃, normal temperature moisture equilibrium at dry side 24 hours.
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| CN104499276A (en) * | 2014-12-16 | 2015-04-08 | 东华大学 | Non-phosphorus polycarboxylic anti-crease finishing liquid with catalyst and finishing method thereof |
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