CN113373696B - Softening agent for bamboo fiber fabric and preparation method thereof - Google Patents
Softening agent for bamboo fiber fabric and preparation method thereof Download PDFInfo
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- CN113373696B CN113373696B CN202110676585.9A CN202110676585A CN113373696B CN 113373696 B CN113373696 B CN 113373696B CN 202110676585 A CN202110676585 A CN 202110676585A CN 113373696 B CN113373696 B CN 113373696B
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- 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
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- 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
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- 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
- D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups
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- 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
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- 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
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Abstract
The invention discloses a softening agent for bamboo fiber fabric and a preparation method thereof, and the preparation method comprises the following steps: (1) respectively reacting the low molecular weight polyether epoxy silicone oil with tetramethyl hexanediamine, polyether amine EA600 and polyether amine AM2200 to obtain A1, A2 and A3; (2) respectively reacting the medium molecular weight polyether epoxy silicone oil with polyether amine EA220, polyether amine EA600 and polyether amine EA900 to obtain B1, B2 and B3; (3) respectively reacting the high molecular weight polyether epoxy silicone oil with diethanol amine, polyether amine EA1200 and polyether amine AM2200 to obtain C1, C2 and C3; (4) mixing A1, A2, A3, B1, B2, B3, C1, C2 and C3 with an emulsifier, and adding the modified piperazine silicone oil emulsion and an auxiliary agent. The softening agent prepared by the method can achieve excellent softness and bulkiness of the bamboo fiber fabric after finishing, and has good washing resistance.
Description
Technical Field
The invention relates to the technical field of textile after-finishing, in particular to a softening agent for bamboo fiber fabrics and a preparation method thereof.
Background
The fabric made of the cellulose fiber fabric mainly comprises cotton fiber and rayon fiber at present, and the cotton fabric has the defects of strong cotton feeling, easy wrinkle and poor shape retention, so that the post-finishing process and the material are complex, time and labor are consumed, and part of high-grade fabric is woven by bamboo fiber at present, so that the fabric is good in stiffness and smoothness and shape retention and excellent in moisture-conducting effect. Because the bamboo fiber is strong in dryness, the bamboo fiber fabric has excellent stiffness, but poor hand feeling, poor softness and smoothness and poor water resistance. The softening agent for cotton fibers mainly comprises organic silicon with large molecular weight, and when the softening agent is applied to bamboo fiber fabrics, the bamboo fibers only have smoothness but not softness and bulkiness; chemical fiber softening agents mainly take fluffy materials as main materials, and have more polyether content, so that the softness and the smoothness are insufficient. In addition, high-grade fabrics are required to be not only hydrophilic, but also excellent in hygroscopicity and moisture permeability. Therefore, it is very difficult to improve the softness and smoothness of the bamboo fiber fabric. The application develops a softening agent for bamboo fiber fabrics by combining working experience of production line for many years to solve the technical defects.
Disclosure of Invention
The invention aims to provide a preparation method of a softening agent for bamboo fiber fabrics, and the softening agent prepared by the preparation method can enable the bamboo fiber fabrics to achieve excellent softness and bulkiness and has good washing resistance effect after the bamboo fiber fabrics are treated.
The invention also aims to provide the softening agent for the bamboo fiber fabric.
In order to achieve the aim, the invention provides a preparation method of a softening agent for bamboo fiber fabric, which comprises the following steps:
(1) respectively reacting the small molecular weight polyether epoxy silicone oil with tetramethyl hexanediamine, polyether amine EA600 and polyether amine AM2200 to obtain an organic silicon intermediate A1, an organic silicon intermediate A2 and an organic silicon intermediate A3;
(2) respectively reacting the medium molecular weight polyether epoxy silicone oil with polyether amine EA220, polyether amine EA600 and polyether amine EA900 to obtain an organic silicon intermediate B1, an organic silicon intermediate B2 and an organic silicon intermediate B3;
(3) respectively reacting high molecular weight polyether epoxy silicone oil with diethanol amine, polyether amine EA1200 and polyether amine AM2200 to obtain an organic silicon intermediate C1, an organic silicon intermediate C2 and an organic silicon intermediate C3;
(4) and mixing and stirring the organosilicon intermediate A1, the organosilicon intermediate A2, the organosilicon intermediate A3, the organosilicon intermediate B1, the organosilicon intermediate B2, the organosilicon intermediate B3, the organosilicon intermediate C1, the organosilicon intermediate C2 and the organosilicon intermediate C3 with an emulsifier, adding the modified piperazine silicone oil emulsion and the auxiliary agent, and uniformly stirring to obtain the softening agent for the bamboo fibers.
Compared with the prior art, in the preparation method of the softening agent for the bamboo fiber fabric, polyether epoxy silicone oil with different molecular weights is adopted to react with tetramethyl hexanediamine, polyether amine EA220, polyether amine EA600, polyether amine AM2200, polyether amine EA900, polyether amine EA1200 and diethanol amine respectively so as to endow the intermediate with corresponding performance. The molecular weights of the tetramethylhexanediamine, the polyether amine EA600 and the polyether amine AM2200 in the step (1) are 172, 600 and 2200 respectively; the molecular weights of the polyetheramine EA220, the polyetheramine EA600 and the polyetheramine EA900 in the step (2) are 220, 600 and 900 respectively; in the step (3), the molecular weights of the diethanol amine, the polyether amine EA1200 and the polyether amine AM2200 are respectively 105, 1200 and 2200; polyether epoxy silicone oil with different molecular weights and polyether amine with different molecular weights obtain block silicone oil with different molecular weights, the hand feeling of the bamboo fiber fabric can be improved, a small molecular silicone oil emulsion is easier to enter a deep layer of a fiber, a large molecular silicone oil emulsion is usually attached to the surface of the fiber, a middle molecular silicone oil emulsion between the small molecular silicone oil emulsion and the large molecular silicone oil emulsion is attached to the surface of the fiber and the deep layer of the fiber, the hand feeling of the bamboo fiber fabric is enriched, and the hydrophilic block silicone oil emulsion prepared from the polyether epoxy silicone oil and tetramethyl hexamethylene diamine is matched to improve the moisture absorption property. In particular, the modified piperazine-based silicone oil emulsion imparts better slip and softness to the fibers.
Preferably, the molecular weight of the low molecular weight polyether epoxy silicone oil is 3000-6000, such as 3000, 4000, 5000, 6000; the molecular weight of the medium molecular weight polyether epoxy silicone oil is 8000-12000, such as 8000, 9000, 10000, 11000 and 12000; the molecular weight of the high molecular weight polyether epoxy silicone oil is 13000-15000, such as 13000, 14000 and 15000.
Preferably, the emulsifier is a nonionic surfactant.
Preferably, the emulsifier is at least one of C13 isomeric alcohol polyoxyethylene ether, C8 isomeric alcohol polyoxyethylene ether, C10 isomeric alcohol polyoxyethylene ether and C11 isomeric alcohol polyoxyethylene ether.
Preferably, the auxiliary agent is at least one selected from a dispersing agent, a filler and a dust-proof agent.
Preferably, the dispersant is selected from at least one of peregal, an alkylbenzenesulfonic acid formaldehyde condensate, sodium lignosulfonate, and a benzylnaphthalenesulfonic acid formaldehyde condensate.
Preferably, the anti-dust agent is selected from at least one of alkyl stearate and mineral oil emulsion.
Preferably, the filler is selected from at least one of dextrin or sodium sulfate.
Preferably, in the step (4), the amount of each component is 10-40 parts of silicone intermediate A1, 10-40 parts of silicone intermediate A2, 10-40 parts of silicone intermediate A3, 10-30 parts of silicone intermediate B1, 10-30 parts of silicone intermediate B2, 10-30 parts of silicone intermediate B3, 5-20 parts of silicone intermediate C1, 5-20 parts of silicone intermediate C2, 5-20 parts of silicone intermediate C3, 5-20 parts of emulsifier, 5-20 parts of modified piperazine silicone oil emulsion, 0-30 parts of assistant and 10-50 parts of water.
Wherein, the usage amounts of the organosilicon intermediates A1, A2 and A3 are respectively but not limited to 10 parts, 20 parts, 30 parts and 40 parts; silicone intermediates B1, B2, and B3 may be used in amounts of, but are not limited to, 10 parts, 20 parts, 30 parts, respectively; the silicone intermediates C1, C2, and C3 may be used in amounts of, but are not limited to, 5 parts, 10 parts, 15 parts, 20 parts, respectively; the amount of emulsifier can be, but is not limited to, 5 parts, 10 parts, 15 parts, 20 parts; the amount of the piperazine-based silicone oil emulsion can be, but is not limited to, 5 parts, 10 parts, 15 parts, 20 parts; the amount of the auxiliary agent can be, but is not limited to, 5 parts, 10 parts, 15 parts, 20 parts, 25 parts and 30 parts; the amount of water may be, but is not limited to, 10 parts, 20 parts, 30 parts, 40 parts, 50 parts.
Preferably, the modified piperazine silicone oil emulsion is prepared by emulsifying piperazine silicone oil, an emulsifier and acetic acid.
Correspondingly, this application still provides a softener for bamboo fiber fabric, and the use of this softener can make bamboo fiber fabric reach good compliance and fluffy degree, and the effect of resistant washing is also relatively good.
Detailed Description
The following examples are intended to illustrate the present invention, but not to limit the scope of the claims of the present invention.
Example 1
The invention provides a preparation method of a softening agent for bamboo fiber fabrics, which comprises the following steps:
(1) adding 1mol of polyether epoxy silicone oil with the molecular weight of 3000, 1.5mol of tetramethyl hexanediamine and a proper amount of isopropanol solvent into a 500mL four-neck flask provided with a stirrer, a thermometer and a reflux condenser, stirring, heating to 70 ℃, carrying out heat preservation reaction for 8 hours, and removing part of isopropanol from a product through reduced pressure distillation to obtain an organic silicon intermediate A1; adding 1mol of polyether epoxy silicone oil with the molecular weight of 3000, 1.5mol of polyether amine EA600 and a proper amount of isopropanol solvent into a four-neck flask, stirring, heating to 70 ℃, carrying out heat preservation reaction for 8 hours, and removing part of isopropanol from a product through reduced pressure distillation to obtain an organic silicon intermediate A2; the same process is adopted to replace polyether amine EA600 with polyether amine AM2200 to prepare an organic silicon intermediate A3;
(2) 1mol of polyether epoxy silicone oil with the molecular weight of 11000 is respectively reacted with 1.5mol of polyether amine EA220, polyether amine EA600 and polyether amine EA900 to obtain an organic silicon intermediate B1, an organic silicon intermediate B2 and an organic silicon intermediate B3, and the specific process refers to the step (1);
(3) 1mol of polyether epoxy silicone oil with the molecular weight of 14000 is respectively reacted with 1.5mol of diethanol amine, polyether amine EA1200 and polyether amine AM2200 to obtain an organic silicon intermediate C1, an organic silicon intermediate C2 and an organic silicon intermediate C3, and the specific process refers to the step (1);
(4) uniformly stirring 20 parts of a silicone intermediate A1, 20 parts of a silicone intermediate A2, 20 parts of a silicone intermediate A3, 10 parts of a silicone intermediate B1, 10 parts of a silicone intermediate B2, 10 parts of a silicone intermediate B3, 5 parts of a silicone intermediate C1, 5 parts of a silicone intermediate C2, 5 parts of a silicone intermediate C3, 5 parts of C13 isoalcohol polyoxyethylene ether, 5 parts of a modified piperazine silicon oil emulsion, 5 parts of an alkylbenzene sulfonic acid formaldehyde condensate and 20 parts of water to obtain the bamboo fiber softener.
Example 2
The invention provides a preparation method of a softening agent for bamboo fiber fabrics, which comprises the following steps:
(1) adding 1mol of polyether epoxy silicone oil with the molecular weight of 6000, 1.5mol of tetramethyl hexanediamine and a proper amount of isopropanol solvent into a 500mL four-neck flask provided with a stirrer, a thermometer and a reflux condenser, stirring, heating to 80 ℃, carrying out heat preservation reaction for 8 hours, and removing part of isopropanol from a product through reduced pressure distillation to obtain an organosilicon intermediate A1; adding 1mol of polyether epoxy silicone oil with molecular weight of 6000, 1.5mol of polyether amine EA600 and a proper amount of isopropanol solvent into a four-neck flask, stirring, heating to 80 ℃, carrying out heat preservation reaction for 8 hours, and removing part of isopropanol from a product through reduced pressure distillation to obtain an organic silicon intermediate A2; the same process is adopted to replace polyether amine EA600 with polyether amine AM2200 to prepare an organic silicon intermediate A3;
(2) 1mol of polyether epoxy silicone oil with molecular weight of 8000 is respectively reacted with 1.5mol of polyether amine EA220, polyether amine EA600 and polyether amine EA900 to obtain an organic silicon intermediate B1, an organic silicon intermediate B2 and an organic silicon intermediate B3, and the specific process refers to step (1);
(3) 1mol of polyether epoxy silicone oil with the molecular weight of 13000 is respectively reacted with 1.5mol of diethanol amine, polyether amine EA1200 and polyether amine AM2200 to obtain an organic silicon intermediate C1, an organic silicon intermediate C2 and an organic silicon intermediate C3, and the specific process refers to the step (1);
(4) uniformly stirring 30 parts of a silicone intermediate A1, 30 parts of a silicone intermediate A2, 30 parts of a silicone intermediate A3, 20 parts of a silicone intermediate B1, 20 parts of a silicone intermediate B2, 20 parts of a silicone intermediate B3, 10 parts of a silicone intermediate C1, 10 parts of a silicone intermediate C2, 10 parts of a silicone intermediate C3, 10 parts of C10 isomeric alcohol polyoxyethylene ether, 10 parts of a modified piperazine silicon oil emulsion, 10 parts of sodium lignosulfonate, 5 parts of alkyl stearate, 5 parts of sodium sulfate and 30 parts of water to obtain the bamboo fiber softener.
Example 3
The invention provides a preparation method of a softening agent for bamboo fiber fabrics, which comprises the following steps:
(1) adding 1mol of polyether epoxy silicone oil with the molecular weight of 5000, 1.5mol of tetramethyl hexanediamine and a proper amount of isopropanol solvent into a 500mL four-neck flask provided with a stirrer, a thermometer and a reflux condenser, stirring, heating to 80 ℃, carrying out heat preservation reaction for 8 hours, and removing part of isopropanol from a product through reduced pressure distillation to obtain an organic silicon intermediate A1; adding 1mol of polyether epoxy silicone oil with the molecular weight of 5000, 1.5mol of polyether amine EA600 and a proper amount of isopropanol solvent into a four-neck flask, stirring, heating to 80 ℃, carrying out heat preservation reaction for 8 hours, and carrying out reduced pressure distillation on a product to remove part of isopropanol to obtain an organic silicon intermediate A2; the same process is adopted to replace polyether amine EA600 with polyether amine AM2200 to prepare an organic silicon intermediate A3;
(2) 1mol of polyether epoxy silicone oil with the molecular weight of 10000 is respectively reacted with 1.5mol of polyether amine EA220, polyether amine EA600 and polyether amine EA900 to obtain an organic silicon intermediate B1, an organic silicon intermediate B2 and an organic silicon intermediate B3, and the specific process refers to the step (1);
(3) respectively reacting 1mol of polyether epoxy silicone oil with the molecular weight of 15000 with 1.5mol of diethanol amine, polyether amine EA1200 and polyether amine AM2200 to obtain an organic silicon intermediate C1, an organic silicon intermediate C2 and an organic silicon intermediate C3, wherein the specific process refers to step (1);
(4) uniformly stirring 40 parts of an organosilicon intermediate A1, 40 parts of an organosilicon intermediate A2, 40 parts of an organosilicon intermediate A3, 30 parts of an organosilicon intermediate B1, 30 parts of an organosilicon intermediate B2, 30 parts of an organosilicon intermediate B3, 15 parts of an organosilicon intermediate C1, 15 parts of an organosilicon intermediate C2, 15 parts of an organosilicon intermediate C3, 15 parts of C13 isomeric alcohol polyoxyethylene ether, 20 parts of a modified piperazine silicon oil emulsion, 10 parts of peregal, 10 parts of dextrin, 10 parts of alkyl stearate and 50 parts of water, and obtaining the bamboo fiber softener.
Comparative example 1
This comparative example is essentially the same as example 1, except that: the composition of comparative example 1 does not contain the modified piperazino silicone oil emulsion, and example 1 contains the modified piperazino silicone oil emulsion, which is the same as example 1 and will not be described in detail.
Comparative example 2
The comparative example provides a preparation method of a softening agent for bamboo fiber fabric, which comprises the following steps:
(1) adding 1mol of polyether epoxy silicone oil with the molecular weight of 3000, 1.5mol of tetramethyl hexanediamine and a proper amount of isopropanol solvent into a 500mL four-neck flask provided with a stirrer, a thermometer and a reflux condenser, stirring, heating to 70 ℃, carrying out heat preservation reaction for 8 hours, and removing part of isopropanol from a product through reduced pressure distillation to obtain an organic silicon intermediate A1; adding 1mol of polyether epoxy silicone oil with the molecular weight of 3000, 1.5mol of polyether amine EA600 and a proper amount of isopropanol solvent into a four-neck flask, stirring, heating to 70 ℃, carrying out heat preservation reaction for 8 hours, and removing part of isopropanol from a product through reduced pressure distillation to obtain an organic silicon intermediate A2; the same process is adopted to replace polyether amine EA600 with polyether amine AM2200 to prepare an organic silicon intermediate A3;
(2) 1mol of polyether epoxy silicone oil with the molecular weight of 3000 is respectively reacted with 1.5mol of polyether amine EA220, polyether amine EA600 and polyether amine EA900 to obtain an organic silicon intermediate B1, an organic silicon intermediate B2 and an organic silicon intermediate B3, and the specific process refers to the step (1);
(3) 1mol of polyether epoxy silicone oil with the molecular weight of 3000 is respectively reacted with 1.5mol of diethanol amine, polyether amine EA1200 and polyether amine AM2200 to obtain an organic silicon intermediate C1, an organic silicon intermediate C2 and an organic silicon intermediate C3.
The rest is the same as in example 1 and is not described in detail here.
Comparative example 3
The comparative example provides a preparation method of a softening agent for bamboo fiber fabrics, which comprises the following steps:
the invention provides a preparation method of a softening agent for bamboo fiber fabrics, which comprises the following steps:
(1) adding 1mol of polyether epoxy silicone oil with the molecular weight of 14000, 1.5mol of tetramethyl hexanediamine and a proper amount of isopropanol solvent into a 500mL four-neck flask provided with a stirrer, a thermometer and a reflux condenser, stirring, heating to 70 ℃, carrying out heat preservation reaction for 8 hours, and removing part of isopropanol from a product through reduced pressure distillation to obtain an organic silicon intermediate A1; adding 1mol of polyether epoxy silicone oil with the molecular weight of 14000, 1.5mol of polyether amine EA600 and a proper amount of isopropanol solvent into a four-neck flask, stirring, heating to 70 ℃, carrying out heat preservation reaction for 8 hours, and removing part of isopropanol from a product through reduced pressure distillation to obtain an organic silicon intermediate A2; the same process is adopted to replace polyether amine EA600 with polyether amine AM2200 to prepare an organic silicon intermediate A3;
(2) 1mol of polyether epoxy silicone oil with molecular weight of 14000 is respectively reacted with 1.5mol of polyether amine EA220, polyether amine EA600 and polyether amine EA900 to obtain a silicone intermediate B1, a silicone intermediate B2 and a silicone intermediate B3.
The rest is the same as in example 1 and is not described in detail here.
Comparative example 4
This comparative example is essentially the same as example 1, except that: in step (4) of this comparative example, 60 parts of silicone intermediate a2, 10 parts of silicone intermediate B1, 10 parts of silicone intermediate B2, 10 parts of silicone intermediate B3, 5 parts of silicone intermediate C1, 5 parts of silicone intermediate C2, 5 parts of silicone intermediate C3, 5 parts of C13 isoalcohol polyoxyethylene ether, 5 parts of modified piperazine silicone oil emulsion, 5 parts of alkylbenzene sulfonic acid formaldehyde condensate, and 20 parts of water were uniformly stirred to obtain a softener for bamboo fibers.
The rest is the same as in example 1 and is not described in detail here.
Comparative example 5
This comparative example is essentially the same as example 1, except that: in step (4) of this comparative example, 60 parts of silicone intermediate a1, 10 parts of silicone intermediate B1, 10 parts of silicone intermediate B2, 10 parts of silicone intermediate B3, 5 parts of silicone intermediate C1, 5 parts of silicone intermediate C2, 5 parts of silicone intermediate C3, 5 parts of C13 isoalcohol polyoxyethylene ether, 5 parts of modified piperazine silicone oil emulsion, 5 parts of alkylbenzene sulfonic acid formaldehyde condensate, and 20 parts of water were uniformly stirred to obtain a softener for bamboo fibers.
The rest is the same as in example 1 and is not described in detail here.
Comparative example 6
This comparative example is essentially the same as example 1, except that: in step (4) of this comparative example, 60 parts of silicone intermediate a3, 10 parts of silicone intermediate B1, 10 parts of silicone intermediate B2, 10 parts of silicone intermediate B3, 5 parts of silicone intermediate C1, 5 parts of silicone intermediate C2, 5 parts of silicone intermediate C3, 5 parts of C13 isoalcohol polyoxyethylene ether, 5 parts of modified piperazine silicone oil emulsion, 5 parts of alkylbenzene sulfonic acid formaldehyde condensate, and 20 parts of water were uniformly stirred to obtain a softener for bamboo fibers.
The rest is the same as in example 1 and is not described in detail here.
The softening agents obtained in examples 1-3 and comparative examples 1-6 are prepared into aqueous solution to carry out after-treatment on the bamboo fiber fabric, comparative example 7 is used for carrying out after-treatment on the cotton fiber fabric, comparative example 8 is blank control, no after-treatment is carried out, and then the following performance tests are carried out.
Hydrophilicity: hydrophilicity was judged by the static drip method by dropping 1 drop of water from 4cm from the fabric using a standard dropper (25 drops/mL) and taking the time for complete absorption of the drop. The shorter the time, the better the hydrophilicity.
Hand feeling test property: a physical hand feeling evaluation method is adopted, and 5 persons with industry literacy form a professional group to evaluate the hand feeling of the fabric. After multi-person hand feeling evaluation, selecting the fabric with the best and the worst hand feeling by adopting a sorting method, then setting the fabric with the best hand feeling to be 5 minutes, setting the worst fabric to be 1 minute, and obtaining the hand feeling of the other fabrics by a comparison method, wherein the hand feeling is divided into 1-5 grades, and the larger the numerical value is, the softer the fabric is, and the better the hand feeling is.
TABLE 1 test results
The test results of the examples 1-3 and the comparative examples 1-8 show that the blank sample has the hand feeling of 1, and the softening agent prepared by the preparation method of the application shows good hand feeling when acting on bamboo fiber fabrics, which indicates that the softening agent can greatly improve the softness, smoothness and fluffy feeling of the bamboo fiber fabrics; and the fiber has excellent hydrophilic performance, and the hydrophilicity is basically not reduced after 5 times of washing, which shows that the fiber has stronger binding capacity with the fiber and can realize better washing resistance.
From the comparison of example 1 with comparative example 1, it is clear that when the technical scheme does not contain the modified piperazine-based silicone oil emulsion, the smoothness and softness are not abundant, and thus the hand feeling is reduced.
As can be seen from the comparison between example 1 and comparative examples 2-3, when the polyether epoxy silicone oil has the same molecular weight, the hand feeling and the hydrophilicity are both reduced, especially when the molecular weight is 3000, the hand feeling is reduced quickly, mainly because when the small molecular polyether epoxy silicone oil is adopted, the softener basically and completely penetrates into the deep layer of the fiber, the surface layer performance cannot be ensured, and therefore, the hand feeling is poor, and the hydrophilicity cannot be ensured.
As is apparent from comparison of example 1 with comparative examples 4 to 6, the softener for bamboo fiber using only a2 without a1 and A3, or using only a1 without a2 and A3, or using only A3 without a1 and a2 is inferior in hand feeling and hydrophilicity because it does not sufficiently exert the synergistic acceleration effect between the small molecule silicone oil emulsion, the large molecule silicone oil emulsion, and the medium molecule silicone oil emulsion.
From the comparison between example 1 and comparative example 7, it can be seen that the softening agent prepared by the preparation method of the present application has poor hand feeling and hydrophilicity when applied to cotton fiber fabrics, indicating that the softening agent of the present application is not suitable for cotton fiber fabrics.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A preparation method of a softening agent for bamboo fiber fabrics is characterized by comprising the following steps:
(1) respectively reacting the small molecular weight polyether epoxy silicone oil with tetramethyl hexanediamine, polyether amine EA600 and polyether amine AM2200 to obtain an organic silicon intermediate A1, an organic silicon intermediate A2 and an organic silicon intermediate A3;
(2) respectively reacting the medium molecular weight polyether epoxy silicone oil with polyether amine EA220, polyether amine EA600 and polyether amine EA900 to obtain an organic silicon intermediate B1, an organic silicon intermediate B2 and an organic silicon intermediate B3;
(3) respectively reacting high molecular weight polyether epoxy silicone oil with diethanol amine, polyether amine EA1200 and polyether amine AM2200 to obtain an organic silicon intermediate C1, an organic silicon intermediate C2 and an organic silicon intermediate C3;
(4) uniformly stirring organosilicon intermediate A1, organosilicon intermediate A2, organosilicon intermediate A3, organosilicon intermediate B1, organosilicon intermediate B2, organosilicon intermediate B3, organosilicon intermediate C1, organosilicon intermediate C2, organosilicon intermediate C3, emulsifier, modified piperazine silicone oil emulsion, auxiliary agent and water to obtain the softening agent for bamboo fiber fabric,
the molecular weight of the small molecular weight polyether epoxy silicone oil is 3000-6000; the molecular weight of the medium molecular weight polyether epoxy silicone oil is 8000-12000; the molecular weight of the high molecular weight polyether epoxy silicone oil is 13000-15000,
the modified piperazine silicone oil emulsion is prepared by emulsifying piperazine silicone oil, an emulsifier and acetic acid.
2. The method of preparing a softener for bamboo fiber fabric according to claim 1, wherein the emulsifier is a nonionic surfactant.
3. The method of preparing the softening agent for bamboo fiber fabric according to claim 1, wherein the emulsifier is at least one selected from the group consisting of C13 isoalcohol polyoxyethylene ether, C8 isoalcohol polyoxyethylene ether, C10 isoalcohol polyoxyethylene ether, and C11 isoalcohol polyoxyethylene ether.
4. The method of preparing a softener for bamboo fiber fabric according to claim 1, wherein the auxiliary agent is at least one selected from the group consisting of a dispersant, a filler and a dust preventive.
5. The method of preparing a softener for bamboo fiber fabric according to claim 4, wherein said dust-proofing agent is at least one selected from alkyl stearate and mineral oil emulsion.
6. The method of preparing a softener for bamboo fiber fabric according to claim 4, wherein said filler is at least one selected from dextrin and sodium sulfate.
7. The method for preparing a softener for bamboo fiber fabric according to claim 1, wherein in the step (4), the amounts of the components are as follows: 10-40 parts of the organosilicon intermediate A1, 10-40 parts of the organosilicon intermediate A2, 10-40 parts of the organosilicon intermediate A3, 10-30 parts of the organosilicon intermediate B1, 10-30 parts of the organosilicon intermediate B2, 10-30 parts of the organosilicon intermediate B3, 5-20 parts of the organosilicon intermediate C1, 5-20 parts of the organosilicon intermediate C2, 5-20 parts of the organosilicon intermediate C3, 5-20 parts of the emulsifier, 5-20 parts of the modified piperazine silicon oil emulsion, 5-30 parts of the assistant and 10-50 parts of the water.
8. A softening agent for bamboo fiber fabric, which is prepared by the method of any one of claims 1 to 7.
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| CN115850711B (en) * | 2022-12-23 | 2024-07-30 | 广东宏昊化工有限公司 | Washable hydrophilic deepening silicone oil, preparation method thereof and finishing agent |
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| CN102911367A (en) * | 2012-11-12 | 2013-02-06 | 浙江汉邦化工有限公司 | Preparation method of cross-linked block amino-modified silicone oil |
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