CN105239378A - Novel formaldehyde-free flame-retardant finishing agent for cotton and finishing method thereof - Google Patents
Novel formaldehyde-free flame-retardant finishing agent for cotton and finishing method thereof Download PDFInfo
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- CN105239378A CN105239378A CN201510683283.9A CN201510683283A CN105239378A CN 105239378 A CN105239378 A CN 105239378A CN 201510683283 A CN201510683283 A CN 201510683283A CN 105239378 A CN105239378 A CN 105239378A
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Abstract
The invention discloses a novel formaldehyde-free flame-retardant finishing agent for cotton and a finishing method thereof. The flame-retardant finishing agent is prepared from, by weight, 20-50 parts of oligomerization phosphonate, 5-10 parts of cross-linking agents DHDEEU, 1-3 parts of 85% phosphoric acid and 37-74 parts of water. The method comprises the technological process of padding, drying, high-temperature drying, alkaline cleaning, hot water washing, cold water washing, drying and finishing. Oligomerization phosphonate molecules contained in the finishing agent contains a large number of hydroxyl groups, and the finishing agent can generate cross linking with cotton fabric, is fixed to the fabric, and has durable flame retardancy. After finishing, strength and self-degree changes of the cotton fabric are smaller, the problem of formaldehyde release of the treated cotton fabric is avoided, and the finishing agent is an environment-friendly and durable flame-retardant agent for the cotton.
Description
Technical field:
The present invention relates to fire-proof finishing methods for textile field, particularly relate to a kind of cotton formaldehydeless finishing agent and flame-retardant finishing method thereof.
Background technology:
Cotton fiber wide material sources, economical and practical, and there is excellent sucting wet air permeability, good dyeability and ecological correlation.Along with the raising of people's living standard, increasing to COTTON FABRIC demand comfortable and easy to wear, also more and more higher to the requirement of Cotton Fabric.COTTON FABRIC has excellent sucting wet air permeability, dyeability, and being widely used in the aspects such as clothes, bedding and decorative fabric, is a kind of irreplaceable textiles; But the limited oxygen index of cotton fiber is only about 18, belong to inflammability fiber.The combustibility of COTTON FABRIC often threatens the security of the lives and property of people.Therefore, the very necessary hindlimb unload again with high added value of a class is developed into gradually to the durable flame-retardant finishing of cotton.
The effects such as durability is wrinkle resistant, shrinkproof, fire-retardant are reached in order to allow pure cotton fabric, usually containing formaldehyde in auxiliary agent, people's dress and the textiles of use containing formaldehyde, meeting intense stimulus human respiratory tract, mucous membrane, eyes and skin, cause respiratory inflammation, conjunctiva inflammation, laryngitis and scytitis.Meanwhile, formaldehyde can also cause allergy, brings out cancer, and being defined as by the World Health Organization can the material of carcinogenic, teratogenesis, is universally acknowledged allergen and potential strong mutagen.Because the harm of formaldehyde is serious, countries in the world are launched respectively relevant laws and regulations restriction and are prohibitted the use containing Formaldehyde as Additives, also promote the research and development of non-formaldehyde flame retardant.
The cotton fire retardant used at present in synthesis, arrange and take in process and mostly there is Formaldehyde, harm is caused to environment and human health.Meanwhile, owing to not meeting environmental requirement, the outlet of textiles is subject to again the serious restriction of various countries.Further, the effect of the durable flame-proof of current used cotton fire retardant is also undesirable.
Extremely urgent to the research and development of environmental protection cotton fire retardant, become the focus focus of dyeing and finishing industry.
Chinese patent application CN201210557739.3 discloses a kind of flame-retardant finishing method of pure cotton fabric, pure cotton fabric is put into fire retardant working solution to soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 65%-70%, repeats immersion, rolling one time afterwards; Pure cotton fabric being put into constant temperature oven under the temperature conditions of 100 DEG C dries 5min, puts into baker more afterwards, high bake temperature, under the temperature conditions of 165-170 DEG C, bakes 3-4min; Pure cotton fabric is put into alkali liquid washing one time after oven dry, more fully wash with clear water, the post-drying of washing.Brute force and the feel of fabric can not be damaged, there is excellent flame retardant effect, after 30-50 washings, still there is good fire resistance, of the present invention closest to prior art, formaldehydeless washable antiflaming finishing agent method for sorting of the present invention on the basis of existing technology, improves, can improve its washability by the present invention.
Summary of the invention:
Technical problem solved by the invention:
For the deficiencies in the prior art, provide a kind of cotton permanent flame-retardant of environment-friendly type, the brute force of the rear COTTON FABRIC of arrangement and whiteness change all less and after arranging COTTON FABRIC and there is not Form aldehyde release problem.
In order to achieve the above object, the invention provides following technical scheme:
A kind of cotton uses formaldehydeless antiflaming finishing agent, comprises the component of following parts by weight:
Oligomeric phosphonate: 20-50 part, crosslinking agent DHDEEU:5-10 part, 85% phosphoric acid: 1-3 part, water: 37-74 part.
Preferably, following parts by weight are comprised:
Oligomeric phosphonate: 35 parts, crosslinking agent DHDEEU:8 part; 85% phosphoric acid: 1.5 parts; Water: 55.5 parts.
Preferably, the structural formula of described oligomeric phosphonate is:
Wherein, R is-CH3 or-C2H5, m is 4-8.
The method for sorting of finishing agent of the present invention is also claimed content, comprises following technological process:
A, to pad:
Two leachings two are rolled, and pure cotton fabric is put into fire retardant and soaks, be placed on vertical electric and roll pad dyeing on dolly, pick-up rate is 65%-70%;
Repeat immersion, rolling one time afterwards;
B, oven dry:
Described oven dry concrete operations are:
The fabric padded twice dries 4-6 minute under putting into the condition of constant temperature oven 100 DEG C, then cures at 150-170 DEG C, time 3-4 minute;
C, alkali cleaning:
The concrete operations of described alkali cleaning are:
In 40 DEG C of water, add 3-5 gram of soda ash, bath raio 1:40, alkali cleaning temperature is 50 DEG C, and the time is 6-8 minute;
D, washing:
First use 50-60 DEG C of hot water wash 6-10 minute, more fully wash with clear water, washing post-drying.
Preferably, in described padding process, pure cotton fabric is put into fire retardant and soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 67%, repeats immersion, rolling one time afterwards.
Preferably, dry 5 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C in described stoving process, the fabric padded twice cures under 160 DEG C of conditions, and the time is 4 minutes.
Preferably, in described alkali washing process, in 45 DEG C of water, add 3 grams of soda ash, bath raio 1:40, alkali cleaning temperature is 45 DEG C, and the time is 6 minutes.
Preferably, by 60 DEG C of hot water wash 8 minutes in described washing process, more fully wash with clear water, washing post-drying.
Beneficial effect of the present invention is:
1. a kind of COTTON FABRIC non-formaldehyde flame retardant provided by the invention, because oligomeric phosphonate and COTTON FABRIC have good compatibility, containing a large amount of hydroxyls in molecule, can under crosslinking agent condition, be cross-linked with COTTON FABRIC, anchor on fabric, have durable flame-retardant.
2. the brute force of COTTON FABRIC and whiteness change is all less and COTTON FABRIC after arranging does not exist Form aldehyde release problem after arranging is environmental protection, durable.
Detailed description of the invention:
Be described in detail embodiments of the invention below, the present embodiment is implemented under premised on invention technical scheme, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.The experimental program of unreceipted actual conditions in embodiment, the condition that conveniently condition or manufacturer advise usually is implemented.
Embodiment one
The one cotton of the present embodiment uses formaldehydeless antiflaming finishing agent, comprises the component of following weight ratio: oligomeric phosphonate: 20 parts, crosslinking agent DHDEEU:5 part, 85% phosphoric acid: 1; Water: 74 parts;
Wherein, oligomeric phosphonate structural formula is
M value is 4-8.
A cotton method for sorting for formaldehydeless antiflaming finishing agent, comprises the following steps:
Pure cotton fabric is put into fire retardant soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 65%, repeats immersion, rolling one time afterwards;
Dry 4 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures at 150 DEG C, and the time is 3 minutes.
The concrete operations of described alkali cleaning are: in 40 DEG C of water, add 3 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 40 DEG C, and the time is 6 minutes; Use 50 DEG C of hot water wash 6 minutes again, more fully wash with clear water, washing post-drying.
Embodiment two
Be with its difference of embodiment one:
Described oligomeric phosphonate: 50 parts, crosslinking agent DHDEEU:10 part, 85% phosphoric acid: 3; Water: 37 parts.
Its method for sorting is:
Pure cotton fabric is put into fire retardant soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 70%, repeats immersion, rolling one time afterwards; Dry 6 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures at 170 DEG C of temperature, and the time is 5 minutes time; The concrete operations of described alkali cleaning are: in 50 DEG C of water, add 5 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 50 DEG C, and the time is 8 minutes; Use 60 DEG C of hot water wash 10 minutes again, more fully wash with clear water, washing post-drying.
Embodiment three
With embodiment one, its difference is: described oligomeric phosphonate: 30 parts, crosslinking agent DHDEEU:5 part, 85% phosphoric acid: 1; Water: 64 parts;
Its method for sorting, comprises the following steps:
Pure cotton fabric is put into fire retardant soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 70%, repeats immersion, rolling one time afterwards; Dry 6 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures at 170 DEG C, and the time is 6 minutes; The concrete operations of described alkali cleaning are: in 40 DEG C of water, add 3 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 40 DEG C, and the time is 6 minutes; Use 60 DEG C of hot water wash 10 minutes again, more fully wash with clear water, washing post-drying.
Embodiment four
With embodiment one, its difference is:
Described oligomeric phosphonate: 50 parts, crosslinking agent DHDEEU:10 part, 85% phosphoric acid: 3; Water: 37-74;
Its method for sorting, comprises the following steps:
Pure cotton fabric is put into fire retardant soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 65%, repeats immersion, rolling one time afterwards; Dry 4 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures at 170 DEG C, and the time is 5 minutes; The concrete operations of described alkali cleaning are: in 40 DEG C of water, add 3 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 40 DEG C, and the time is 8 minutes; Use 50 DEG C of hot water wash 8 minutes again, more fully wash with clear water, washing post-drying.
Embodiment five
With embodiment one, its difference is:
Described oligomeric phosphonate: 35 parts, crosslinking agent DHDEEU:8 part, 85% phosphoric acid: 1.5; Water: 55.5 parts;
Its method for sorting, comprises the following steps:
Pure cotton fabric is put into fire retardant soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 67%, repeats immersion, rolling one time afterwards; Dry 5 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures under 160 DEG C of conditions, and the time is 4 minutes.The concrete operations of described alkali cleaning are: in 45 DEG C of water, add 3 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 45 DEG C, and the time is 6 minutes; Use 60 DEG C of hot water wash 8 minutes again, more fully wash with clear water, washing post-drying.
Embodiment six
With embodiment one, its difference is:
Described oligomeric phosphonate is: 20 parts, crosslinking agent DHDEEU:5 part, 85% phosphoric acid: 1; Water: 74 parts;
Wherein, oligomeric phosphonate structural formula is
M value is 4-8.
Its method for sorting, comprises the following steps: pure cotton fabric is put into fire retardant and soaks, and is placed on vertical electric afterwards and rolls pad dyeing on dolly, and pick-up rate is 65%, repeats immersion, rolling one time afterwards; Dry 4 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures at 150 DEG C, and the time is 3 minutes.The concrete operations of described alkali cleaning are: in 40 DEG C of water, add 3 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 40 DEG C, and the time is 6 minutes; Use 50 DEG C of hot water wash 6 minutes again, more fully wash with clear water, washing post-drying.
Embodiment seven
With embodiment six, its difference is:
Described oligomeric phosphonate: 50 parts, crosslinking agent DHDEEU:10 part, 85% phosphoric acid: 3; Water: 37 parts;
Its method for sorting, comprises the following steps:
Pure cotton fabric is put into fire retardant soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 70%, repeats immersion, rolling one time afterwards; Dry 6 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures at 170 DEG C of temperature, and the time is 5 minutes; The concrete operations of described alkali cleaning are: in 50 DEG C of water, add 5 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 50 DEG C, and the time is 8 minutes; Use 60 DEG C of hot water wash 10 minutes again, more fully wash with clear water, washing post-drying.
Embodiment eight
With embodiment six, its difference is:
Described oligomeric phosphonate: 20 parts, crosslinking agent DHDEEU:5 part, 85% phosphoric acid: 1; Water: 74 parts;
Its method for sorting, comprises the following steps:
Pure cotton fabric is put into fire retardant soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 70%, repeats immersion, rolling one time afterwards; Dry 6 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures at 170 DEG C, and the time is 6 minutes; The concrete operations of described alkali cleaning are: in 40 DEG C of water, add 3 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 40 DEG C, and the time is 6 minutes; Use 60 DEG C of hot water wash 10 minutes again, more fully wash with clear water, washing post-drying.
Embodiment nine
With embodiment six, its difference is:
Described oligomeric phosphonate: 50 parts, crosslinking agent DHDEEU:10 part, 85% phosphoric acid: 3; Water: 47 parts;
Its method for sorting, comprises the following steps:
Pure cotton fabric is put into fire retardant soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 65%, repeats immersion, rolling one time afterwards; Dry 4 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures at 170 DEG C, and the time is 5 minutes; The concrete operations of described alkali cleaning are: in 40 DEG C of water, add 3 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 40 DEG C, and the time is 8 minutes; Use 50 DEG C of hot water wash 8 minutes again, more fully wash with clear water, washing post-drying.
Embodiment ten
With embodiment six, its difference is:
Described oligomeric phosphonate: 35 parts, crosslinking agent DHDEEU:8 part, 85% phosphoric acid: 1.5; Water: 55.5 parts;
Its method for sorting, comprises the following steps:
Pure cotton fabric is put into fire retardant soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 67%, repeats immersion, rolling one time afterwards; Dry 5 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C, the fabric padded twice cures under 160 DEG C of conditions, and the time is 4 minutes.The concrete operations of described alkali cleaning are: in 45 DEG C of water, add 3 grams of soda ash, bath raio 1:40, and alkali cleaning temperature is 45 DEG C, and the time is 6 minutes; Use 60 DEG C of hot water wash 8 minutes again, more fully wash with clear water, washing post-drying.
Relevant test method: fire resistance is tested according to GB/T5454-1997 " textile combustion performance test oxygen index method "; Strength property is according to GB/T3923.1-1997 " the mensuration galley proof method of textile fabric tensile property part 1 ultimate strength and elongation at break ".Test result is as follows:
Table one: the flame retardancy test results after embodiment finishing agent arranges
Table two: after embodiment finishing agent arranges, fracture strength, whiteness and washing limited oxygen index measure
As can be seen from the table, fire retardant containing oligomeric phosphonate is used for face fabric fire-retardant finishing, limited oxygen index can be brought up to more than 30%, improve the anti-flammability of COTTON FABRIC, after washing, still keep anti-flammability, flame retardant effect is made to have durability, whiteness changes hardly, and strength loss is relatively little, and opposite fabric application impact is less.Because fire retardant is low polyphosphate, does not need in molecule synthesis to use the raw material containing formaldehyde, do not generate nitrogen methylol yet, so not containing formaldehyde in fire retardant.
Above content is only better embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (8)
1. the formaldehydeless antiflaming finishing agent of new cotton, is characterized in that, comprises the component of following parts by weight:
Oligomeric phosphonate: 20-50 part, crosslinking agent DHDEEU:5-10 part, 85% phosphoric acid: 1-3 part, water: 37-74 part.
2. the formaldehydeless antiflaming finishing agent of a kind of new cotton according to claim 1, is characterized in that, comprises following parts by weight:
Oligomeric phosphonate: 35 parts, crosslinking agent DHDEEU:8 part; 85% phosphoric acid: 1.5 parts; Water: 55.5 parts.
3. the formaldehydeless antiflaming finishing agent of a kind of new cotton according to claim 1 and 2, is characterized in that:
The structural formula of described oligomeric phosphonate is:
Wherein, R is-CH3 or-C2H5, m is 4-8.
4. the new cotton according to claim 1 method for sorting of formaldehydeless antiflaming finishing agent, is characterized in that, comprises following technological process:
A, to pad:
Two leachings two are rolled, and pure cotton fabric is put into fire retardant and soaks, be placed on vertical electric and roll pad dyeing on dolly, pick-up rate is 65%-70%;
Repeat immersion, rolling one time afterwards;
B, oven dry:
Described oven dry concrete operations are:
The fabric padded twice dries 4-6 minute under putting into the condition of constant temperature oven 100 DEG C, then cures at 150-170 DEG C, time 3-4 minute;
C, alkali cleaning:
The concrete operations of described alkali cleaning are:
In 40 DEG C of water, add 3-5 gram of soda ash, bath raio 1:40, alkali cleaning temperature is 50 DEG C, and the time is 6-8 minute;
D, washing:
First use 50-60 DEG C of hot water wash 6-10 minute, more fully wash with clear water, washing post-drying.
5. a kind of cotton according to claim 4 method for sorting of formaldehydeless antiflaming finishing agent, it is characterized in that: in described padding process, pure cotton fabric is put into fire retardant and soak, be placed on vertical electric afterwards and roll pad dyeing on dolly, pick-up rate is 67%, repeats immersion, rolling one time afterwards.
6. a kind of cotton according to claim 4 method for sorting of formaldehydeless antiflaming finishing agent, it is characterized in that: dry 5 minutes under first COTTON FABRIC being put into the condition of constant temperature oven 100 DEG C in described stoving process, the fabric padded twice cures under 160 DEG C of conditions, and the time is 4 minutes.
7. a kind of cotton method for sorting of formaldehydeless antiflaming finishing agent according to claim 4, is characterized in that: in described alkali washing process, and in 45 DEG C of water, add 3 grams of soda ash, bath raio 1:40, alkali cleaning temperature is 45 DEG C, and the time is 6 minutes.
8. a kind of cotton method for sorting of formaldehydeless antiflaming finishing agent according to claim 4, is characterized in that: by 60 DEG C of hot water wash 8 minutes in described washing process, more fully wash with clear water, washing post-drying.
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| CN201510683283.9A CN105239378A (en) | 2015-10-20 | 2015-10-20 | Novel formaldehyde-free flame-retardant finishing agent for cotton and finishing method thereof |
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| CN201510683283.9A CN105239378A (en) | 2015-10-20 | 2015-10-20 | Novel formaldehyde-free flame-retardant finishing agent for cotton and finishing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107955039A (en) * | 2017-12-12 | 2018-04-24 | 天津科技大学 | A kind of oligomer type high content of phosphorus polyphosphonates halogen-free flame retardants and preparation method |
| CN108930165A (en) * | 2018-09-03 | 2018-12-04 | 王韶华 | A kind of method of collagen-modified pro-skin flame-retardant cotton fiber fabric |
| CN109680489A (en) * | 2018-12-26 | 2019-04-26 | 绵阳佳联印染有限责任公司 | A kind of fire retarding treating liquid and flame-proof finishing process for the blended fabric containing Fypro |
| CN112796104A (en) * | 2020-12-11 | 2021-05-14 | 辛集市凯科瑞生物科技有限公司 | Durable flame-retardant finishing process for pure cotton with ultralow formaldehyde content |
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| CN1376225A (en) * | 1999-09-27 | 2002-10-23 | 佐治亚州大学研究基金会 | Formaldehyde-free flame-retardant treatment for cellulose-containing materials |
| CN102251390A (en) * | 2011-06-28 | 2011-11-23 | 公安部四川消防研究所 | Halogen-free moisture permeable flame-retardant coating adhesive for heavy fabrics and preparation method |
| CN104727145A (en) * | 2015-03-19 | 2015-06-24 | 苏州陈恒织造有限公司 | Preparation method and application of cotton environment-friendly flame retardant |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1376225A (en) * | 1999-09-27 | 2002-10-23 | 佐治亚州大学研究基金会 | Formaldehyde-free flame-retardant treatment for cellulose-containing materials |
| CN102251390A (en) * | 2011-06-28 | 2011-11-23 | 公安部四川消防研究所 | Halogen-free moisture permeable flame-retardant coating adhesive for heavy fabrics and preparation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107955039A (en) * | 2017-12-12 | 2018-04-24 | 天津科技大学 | A kind of oligomer type high content of phosphorus polyphosphonates halogen-free flame retardants and preparation method |
| CN107955039B (en) * | 2017-12-12 | 2020-09-25 | 天津科技大学 | Oligomer type high-phosphorus-content polyphosphonate halogen-free flame retardant and preparation method thereof |
| CN108930165A (en) * | 2018-09-03 | 2018-12-04 | 王韶华 | A kind of method of collagen-modified pro-skin flame-retardant cotton fiber fabric |
| CN109680489A (en) * | 2018-12-26 | 2019-04-26 | 绵阳佳联印染有限责任公司 | A kind of fire retarding treating liquid and flame-proof finishing process for the blended fabric containing Fypro |
| CN112796104A (en) * | 2020-12-11 | 2021-05-14 | 辛集市凯科瑞生物科技有限公司 | Durable flame-retardant finishing process for pure cotton with ultralow formaldehyde content |
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Application publication date: 20160113 |