CN114000355A - Hydrophilic elastic silicone oil finishing agent for pure cotton fabric and preparation method thereof - Google Patents
Hydrophilic elastic silicone oil finishing agent for pure cotton fabric and preparation method thereof Download PDFInfo
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- CN114000355A CN114000355A CN202111318498.2A CN202111318498A CN114000355A CN 114000355 A CN114000355 A CN 114000355A CN 202111318498 A CN202111318498 A CN 202111318498A CN 114000355 A CN114000355 A CN 114000355A
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- silicone oil
- finishing agent
- hydrophilic
- pure cotton
- cotton fabric
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- 229920002545 silicone oil Polymers 0.000 title claims abstract description 49
- 229920000742 Cotton Polymers 0.000 title claims abstract description 43
- 239000004744 fabric Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 31
- 229920000570 polyether Polymers 0.000 claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- -1 polysiloxane Polymers 0.000 claims abstract description 14
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 13
- 125000001453 quaternary ammonium group Chemical group 0.000 claims abstract description 12
- 239000008367 deionised water Substances 0.000 claims abstract description 11
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 11
- 150000007524 organic acids Chemical class 0.000 claims abstract description 11
- 229920006158 high molecular weight polymer Polymers 0.000 claims abstract description 3
- 229920000642 polymer Polymers 0.000 claims abstract description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 24
- 239000004593 Epoxy Substances 0.000 claims description 18
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 16
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 14
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 12
- TXXWBTOATXBWDR-UHFFFAOYSA-N n,n,n',n'-tetramethylhexane-1,6-diamine Chemical class CN(C)CCCCCCN(C)C TXXWBTOATXBWDR-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229960000583 acetic acid Drugs 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 229940070765 laurate Drugs 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 239000013067 intermediate product Substances 0.000 claims description 2
- 238000004383 yellowing Methods 0.000 abstract description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 3
- 241000219146 Gossypium Species 0.000 description 28
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 239000005639 Lauric acid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- WMNWJTDAUWBXFJ-UHFFFAOYSA-N 3,3,4-trimethylheptane-2,2-diamine Chemical compound CCCC(C)C(C)(C)C(C)(N)N WMNWJTDAUWBXFJ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 240000000047 Gossypium barbadense Species 0.000 description 1
- 235000009429 Gossypium barbadense Nutrition 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/647—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing polyether sequences
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a hydrophilic, smooth and elastic silicone oil finishing agent for pure cotton fabric and a preparation method thereof, wherein the finishing agent comprises the following components in percentage by weight: high molecular weight Polymer: 30-40%, organic acid: 0.1% -0.5% deionized water: 50% -80%; the high molecular polymer is poly quaternary ammonium polyether polysiloxane. According to the hydrophilic smooth and elastic silicone oil finishing agent for the pure cotton fabric and the preparation method thereof, the prepared finishing agent has good hydrophilicity, strong hygroscopicity, good washability and no phenol yellowing on cotton fibers, can endow the pure cotton fabric with an excellent smooth and elastic style, improves the stiffness of the fabric, and is natural and free of greasy skin-friendly hand feeling.
Description
Technical Field
The invention relates to the technical field of dyeing and finishing processing, in particular to a hydrophilic and elastic silicone oil finishing agent for pure cotton fabric and a preparation method thereof.
Background
The combed cotton is woven by the best long-staple cotton and a special process, the fabric texture is finer, smoother, more elastic, higher in quality, more prominent in air permeability and water absorbability than that of common pure cotton, and the quality level of texture, washing fastness and durability of the combed cotton is superior to that of common pure cotton. The mercerized cotton belongs to the best product of cotton materials in the eyes of the pedestrians, and not only has the characteristics of the original cotton, but also has the luster and soft hand feeling of silk. Combed cotton and mercerized cotton become one of the main fabrics of modern clothes, and are popular with people, and the combed cotton and the mercerized cotton are both obtained by treating pure cotton fabrics with a finishing agent.
The existing hydrophilic smooth and elastic finishing agent for the pure cotton fabric has the following problems: 1. the conventional silicone oil can provide various styles, but has no hydrophilicity, so that the wearing comfort of the clothes is reduced; 2. the common hydrophilic silicone oil has single hand feeling and style, and can not meet the style requirements of various high-end fabrics on the market; 3. generally, silicone oil has yellowing and phenol has yellowing.
Disclosure of Invention
The invention aims to provide a hydrophilic smooth and elastic silicone oil finishing agent for pure cotton fabric and a preparation method thereof.
In order to achieve the purpose, the invention provides a hydrophilic elastic silicone oil finishing agent for pure cotton fabric, which comprises the following components in percentage by weight:
high molecular weight Polymer: 30 to 40 percent
Organic acid: 0.1 to 0.5 percent
Deionized water: 50% -80%;
the high molecular polymer is poly quaternary ammonium polyether polysiloxane, and the structural general formula is as follows:
wherein A is-Is Cl-、Br-、I-、CH3COO-、C3H7COO-One or more of laurate, etc.; c is 0-35, d is 0-40, n is 200-1000, and m is 2-100;
when m is more than or equal to 100 and less than or equal to 1000, the silicone oil finishing agent can enable the cotton material to have certain softness and good sliding and elastic effects, and when c is 5-10, d is more than or equal to 10-100, the silicone oil finishing agent can enable the cotton material to have good hydrophilicity;
non-primary amino (-NH)2) Secondary amine (-NRH), little or no tertiary amine (-NR)1R2) After high-temperature shaping (the temperature is higher than 180-200 ℃), the hydrophilicity of the polyether is not reduced and is durable.
Preferably, the poly quaternary ammonium polyether polysiloxane is prepared by adding allyl epoxy polyether and hydrogen-terminated silicone oil and then reacting with tetramethyl hexamethylene diamine salt.
Preferably, the molecular weight of the terminal hydrogen silicone oil is between 10000-30000; the allyl epoxy polyether has a molecular weight of between 1000-3000.
A preparation method of a hydrophilic, smooth and elastic silicone oil finishing agent for pure cotton fabric is characterized by comprising the following steps:
(1) adding the hydrogen-terminated silicone oil, the allyl epoxy polyether mixture and an organic solvent into a reactor, heating, adding a catalyst in batches at the temperature of 45-85 ℃, and reacting for 4-12 hours at the temperature of 50-100 ℃ to obtain an intermediate product, namely epoxy polyether-terminated silicone oil;
the reaction equation is as follows:
(2) adding the epoxy-terminated polyether silicone oil obtained in the step (1) into a mixture of the acidified tetramethylhexamethylenediamine salt and the organic solvent, heating to 60-120 ℃, reacting for 12-60 hours, and then cooling to 50 ℃ to obtain a product, namely the poly-quaternary ammonium polyether polysiloxane;
the reaction equation is as follows:
(3) and (3) slowly adding part of water into the poly-quaternary ammonium polyether polysiloxane obtained in the step (2) for dilution, stirring for a period of time, slowly adding an organic acid to adjust the pH value to 4.5-6.5, slowly adding the rest deionized water in several times, filtering and discharging to obtain the target product.
Preferably, the organic solvent is one or more of diethylene glycol butyl ether, propylene glycol, N, N-dimethylformamide, ethylene glycol monobutyl ether, ethyl acetate, isopropanol and the like.
Preferably, the catalyst in the step (1) is a platinum catalyst, the weight percentage of the catalyst is 0.05% -0.1%, and the molar ratio of the hydrogen-terminated silicone oil to the allyl epoxy polyether is 1: 1-1.2.
Preferably, the weight percentage of the organic solvent in the step (2) is 40-70%, and the weight ratio of the epoxy polyether silicone oil to the tetramethylhexamethylene diamine salt is 100: 1-500: 1.
Preferably, the structure of the tetramethylhexamethylenediamine salt in the step (2) is as follows:
wherein A is-Is Cl-、Br-、I-、CH3COO-、C3H7COO-One of laurate radical and the like.
Preferably, in the step (3), the weight percentage of the poly-quaternary ammonium polyether polysiloxane is 30-40%; the weight percentage of the organic acid is 0.1 to 0.5 percent; the weight percentage of the water is 68.9-45.5%.
Preferably, in the step (3), the organic acid is added after being uniformly mixed with part of water before being added; the organic acid is one or more of formic acid, glacial acetic acid and citric acid.
The invention has the beneficial effects that:
1) on a high-molecular-weight silane chain, polyether with large molecular weight is introduced to endow the fabric with excellent hydrophilicity;
2) then, salifying with tetramethylhexamethylenediamine quaternary ammonium to form quaternary ammonium polysiloxane, wherein the cationic silicone oil is combined with the anion on the fabric by radical and ionic bond, so that the washability and the hand feeling are improved;
3) quaternary ammonium siloxane yellowness becomes low;
4) the polysiloxane with large molecular weight can form a film on the surface of the fabric, and can endow the fabric with smooth, soft and elastic handfeel.
The technical solution of the present invention is further described in detail by the following examples.
Detailed Description
The present invention will be further described with reference to examples, in which various chemicals and reagents are commercially available unless otherwise specified.
Example 1
The following raw materials were provided in the following metered weights: 22.5 parts by mass of hydrogen-terminated silicone oil with the molecular weight of 15000, 4.5 parts by mass of allyl epoxy polyether with the molecular weight of 1500, 1% of platinum catalyst: 0.27 part by mass, tetramethylhexamethylenediamine: 1.0 part by mass, lauric acid: 2.0 parts by mass of ethylene glycol monobutyl ether: 15 parts by mass, acetic acid: 0.3 part by mass and 54.43 parts by mass of deionized water.
The preparation process comprises the following steps:
1) adding hydrogen silicone oil and allyl epoxy polyether into a reactor, heating to 50 ℃, dropwise adding 1% platinum catalyst, and reacting for 6 hours at 95 ℃;
2) adding tetramethylhexamethylenediamine and ethylene glycol monobutyl ether which are acidized by lauric acid into the reaction, heating to 78 ℃, reacting for 16 hours, and cooling to 50 ℃;
3) slowly adding 10 parts by mass of water, stirring for 10 minutes, uniformly mixing acetic acid and 10 parts by mass of water, and slowly adding; ) And slowly adding the rest deionized water in several times, filtering and discharging to obtain the hydrophilic smooth elastic silicone oil finishing agent for cotton.
Example 2
The following raw materials were provided in the following metered weights: 24.0 parts by mass of hydrogen-terminated silicone oil with molecular weight of 20000, 7.0 parts by mass of allyl epoxy polyether with molecular weight of 2500, 1% of platinum catalyst: 0.3 part by mass, tetramethylhexamethylenediamine: 2.0 parts by mass, 36.5% hydrochloric acid: 2.0 parts by mass, ethyl acetate: 13 parts by mass, acetic acid: 0.3 part by mass and 51.4 parts by mass of deionized water.
The preparation process comprises the following steps:
1) adding hydrogen silicone oil and allyl epoxy polyether into a reactor, heating to 50 ℃, dropwise adding one percent of platinum catalyst, and reacting for 6 hours at 100 ℃;
2) adding hydrochloric acid acidified tetramethyl hexanediamine and ethyl acetate into the reaction, heating to 90 ℃, reacting for 12 hours, and cooling to 50 ℃;
3) slowly adding 10 parts by mass of water, stirring for 10 minutes, uniformly mixing acetic acid and 10 parts by mass of water, and slowly adding; and slowly adding the rest deionized water in several times, filtering and discharging to obtain the hydrophilic smooth elastic silicone oil finishing agent for cotton.
Example 3
The following raw materials were provided in the following metered weights: 24.0 parts by mass of hydrogen-terminated silicone oil with the molecular weight of 18000, 6.0 parts by mass of allyl epoxy polyether with the molecular weight of 2000, 1% of platinum catalyst: 0.3 part by mass, tetramethylhexamethylenediamine: 1.5 parts by mass, glacial acetic acid: 1.0 part by mass, diethylene glycol monobutyl ether: 15 parts by mass, acetic acid: 0.3 part by mass and 51.9 parts by mass of deionized water.
The preparation process comprises the following steps:
1) adding hydrogen silicone oil and allyl epoxy polyether into a reactor, heating to 50 ℃, dropwise adding one percent of platinum catalyst, and reacting for 6 hours at 95 ℃;
2) adding tetramethylhexanediamine and diethylene glycol monobutyl ether which are acidized by lauric acid into the reaction, heating to 105 ℃, reacting for 8 hours, and cooling to 50 ℃;
3) slowly adding 10 parts by mass of water, stirring for 10 minutes, uniformly mixing acetic acid and 10 parts by mass of water, and slowly adding; and slowly adding the rest deionized water in several times, filtering and discharging to obtain the hydrophilic smooth elastic silicone oil finishing agent for cotton.
The hydrophilic silicone oil finishing agent for cotton prepared in each example was subjected to hand feeling, whiteness, hydrophilicity, and washability tests, respectively, using commercially available hydrophilic silicone oil for pure cotton as a comparative example. The following is a demonstration of the specific experimental process and the data obtained.
(I) hand feeling, whiteness, hydrophilicity experiments
Taking white combed cotton as an experimental object, the solid content of the emulsion product is 15%, the dosage is 100g/L, and the emulsion product is soaked and rolled → dried (100 ℃) → shaping (160 ℃, 30 seconds) → moisture regain for 4 hours. The hydrophilicity (measured according to HG/T4917-2016 method), whiteness, and comparative hand feel were measured. The results are shown in the following table.
Note: the hand was best at 5 points and worst at 1.
In conclusion, the hydrophilic, smooth and elastic silicon oil finishing agent for cotton, prepared by the invention, can endow pure cotton fabric with smooth and elastic hand feeling, natural and non-greasy skin-friendly hand feeling, and has the characteristics of strong hygroscopicity and low yellowing.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (10)
1. The hydrophilic elastic silicone oil finishing agent for the pure cotton fabric is characterized in that: comprises the following components in percentage by weight:
high molecular weight Polymer: 30 to 40 percent
Organic acid: 0.1 to 0.5 percent
Deionized water: 50% -80%;
the high molecular polymer is poly quaternary ammonium polyether polysiloxane, and the structural general formula is as follows:
wherein A is-Is Cl-、Br-、I-、CH3COO-、C3H7COO-One or more of laurate, etc.; c is 0 to 35, d is 0 to 40, n is 200 to 1000, and m is 2 to 100.
2. The hydrophilic slippery elastic silicone oil finishing agent for the pure cotton fabric as claimed in claim 1, which is characterized in that: the poly quaternary ammonium base polyether polysiloxane is prepared by adding allyl epoxy polyether and hydrogen-terminated silicone oil and then reacting with tetramethyl hexamethylene diamine salt.
3. The hydrophilic slippery elastic silicone oil finishing agent for the pure cotton fabric as claimed in claim 2, which is characterized in that: the molecular weight of the hydrogen-terminated silicone oil is 10000-30000; the allyl epoxy polyether has a molecular weight of between 1000-3000.
4. A method for preparing the hydrophilic and elastic silicone oil finishing agent for the pure cotton fabric according to claims 1 to 3, which is characterized by comprising the following steps:
(1) adding the hydrogen-terminated silicone oil, the allyl epoxy polyether mixture and an organic solvent into a reactor, heating, adding a catalyst in batches at the temperature of 45-85 ℃, and reacting for 4-12 hours at the temperature of 50-100 ℃ to obtain an intermediate product, namely epoxy polyether-terminated silicone oil;
the reaction equation is as follows:
(2) adding the epoxy-terminated polyether silicone oil obtained in the step (1) into a mixture of the acidified tetramethylhexamethylenediamine salt and the organic solvent, heating to 60-120 ℃, reacting for 12-60 hours, and then cooling to 50 ℃ to obtain a product, namely the poly-quaternary ammonium polyether polysiloxane;
the reaction equation is as follows:
(3) and (3) slowly adding part of water into the poly-quaternary ammonium polyether polysiloxane obtained in the step (2) for dilution, stirring for a period of time, slowly adding an organic acid to adjust the pH value to 4.5-6.5, slowly adding the rest deionized water in several times, filtering and discharging to obtain the target product.
5. The preparation method of the hydrophilic and elastic silicone oil finishing agent for the pure cotton fabric, according to claim 4, is characterized in that: the organic solvent is one or more of diethylene glycol butyl ether, propylene glycol, N, N-dimethylformamide, ethylene glycol monobutyl ether, ethyl acetate, isopropanol and the like.
6. The preparation method of the hydrophilic and elastic silicone oil finishing agent for the pure cotton fabric, according to claim 4, is characterized in that: the catalyst in the step (1) is a platinum catalyst, the weight percentage of the catalyst is 0.05-0.1%, and the molar ratio of the hydrogen-terminated silicone oil to the allyl epoxy polyether is 1: 1-1.2.
7. The preparation method of the hydrophilic and elastic silicone oil finishing agent for the pure cotton fabric, according to claim 4, is characterized in that: the weight percentage of the organic solvent in the step (2) is 40-70%, and the weight ratio of the epoxy polyether silicone oil to the tetramethylhexamethylene diamine salt is 100: 1-500: 1.
8. The preparation method of the hydrophilic and elastic silicone oil finishing agent for the pure cotton fabric, according to claim 4, is characterized in that: the structure of the tetramethylhexamethylenediamine salt in the step (2) is as follows:
wherein A is-Is Cl-、Br-、I-、CH3COO-、C3H7COO-One of laurate radical and the like.
9. The preparation method of the hydrophilic and elastic silicone oil finishing agent for the pure cotton fabric, according to claim 4, is characterized in that: in the step (3), the weight percentage of the poly quaternary ammonium polyether polysiloxane is 30-40%; the weight percentage of the organic acid is 0.1 to 0.5 percent; the weight percentage of the water is 68.9-45.5%.
10. The preparation method of the hydrophilic and elastic silicone oil finishing agent for the pure cotton fabric, according to claim 4, is characterized in that: in the step (3), the organic acid is uniformly mixed with part of water before being added, and then the mixture is added; the organic acid is one or more of formic acid, glacial acetic acid and citric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111318498.2A CN114000355A (en) | 2021-11-09 | 2021-11-09 | Hydrophilic elastic silicone oil finishing agent for pure cotton fabric and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111318498.2A CN114000355A (en) | 2021-11-09 | 2021-11-09 | Hydrophilic elastic silicone oil finishing agent for pure cotton fabric and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114000355A true CN114000355A (en) | 2022-02-01 |
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| CN115850711A (en) * | 2022-12-23 | 2023-03-28 | 广东宏昊化工有限公司 | Washable hydrophilic darkening silicone oil and preparation method and finishing agent thereof |
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| CN110820353A (en) * | 2019-10-24 | 2020-02-21 | 苏州联胜化学有限公司 | Hydrophilic silicone oil and preparation method thereof |
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| CN115850711A (en) * | 2022-12-23 | 2023-03-28 | 广东宏昊化工有限公司 | Washable hydrophilic darkening silicone oil and preparation method and finishing agent thereof |
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