CN113616424A - Preparation method of cool non-woven fabric for sanitary towel - Google Patents
Preparation method of cool non-woven fabric for sanitary towel Download PDFInfo
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- CN113616424A CN113616424A CN202110880882.5A CN202110880882A CN113616424A CN 113616424 A CN113616424 A CN 113616424A CN 202110880882 A CN202110880882 A CN 202110880882A CN 113616424 A CN113616424 A CN 113616424A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15934—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Biomedical Technology (AREA)
- Epidemiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the field of non-woven fabrics for sanitary products, and provides a preparation method of a cool non-woven fabric for a sanitary towel, which solves the defects of low raw material utilization rate and harm to human bodies caused by process defects of cool non-woven fabrics in the prior art, and comprises the following processing steps: (1) preparing porous cool master batches; (2) the main material master batch and the porous cool master batch are uniformly mixed; (3) and (3) low-temperature drying treatment: freezing and low-temperature drying the spinning raw material in the step (2) to control the water content within 0.05%; (4) preparing a functional master batch: (5) uniformly mixing the substance treated in the step (3) and the functional master batch prepared in the step (4), performing melt extrusion, spinning to form strip fibers, cooling, oiling, drawing, yarn guiding, feeding and slitting to obtain cool fibers; (6) and (5) making the product obtained in the step (5) into cool non-woven fabric by non-woven fabric forming equipment.
Description
Technical Field
The invention relates to the field of non-woven fabrics for sanitary products, in particular to a preparation method of a cool non-woven fabric for a sanitary towel.
Background
In the prior art, the sanitary towel product with cooling effect mostly adopts the process of directly spraying the cooling agent solution on the surface of the sanitary towel on line, the spraying loss of the process is large, the solvent consumption is large, the volatilization and infiltration conditions of the effect raw materials are serious, and the health of workers in a workshop is influenced. In addition, the spraying amount is not easy to control, the production efficiency is low, the product quality is unstable, some formulas can influence the structural performance of a terminal product, and chemical raw materials are directly contacted with the skin of a human body, so that irritation and even allergy are easily caused, and harm is caused to the health of the human body.
Chinese patent No. 201310473899.4 discloses a method for preparing cool non-woven fabric applied to a sanitary towel flow guide layer, which comprises the steps of coating cool effective components by a microcapsule technology to prepare cool microcapsule finishing liquid, attaching the cool microcapsule finishing liquid to two surfaces of a hot-air non-woven fabric substrate in a roller coating sizing mode, and drying the hot-air non-woven fabric substrate until the surface of the substrate is dry. Compared with direct spraying, the invention has the advantages of small raw material loss in the process, no pollution to production environment and improved production efficiency. After the cooling raw materials are coated by the microcapsules, the volatilization loss of the cooling raw materials is small at normal temperature, so that the product can be packaged by common packaging without aluminum plastic packaging, and the loss of functional components of the product before use can be effectively avoided. When in use, the cooling raw materials are slowly released from the microcapsules to play a role along with the increase of the contact temperature of the sanitary towel and the skin of a human body, and the cool feeling is lasting, mild and non-irritating. The invention provides a preparation method of cool non-woven fabric, but the microcapsule finishing liquid has many raw material components, the preparation process is complex, and the actual industrialization is difficult.
Disclosure of Invention
Therefore, in view of the above problems, the present invention provides a method for preparing a cool nonwoven fabric for sanitary napkins, which solves the problems of low raw material utilization rate and harm to human body caused by the process defects of cool nonwoven fabrics in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a preparation method of cool non-woven fabric for sanitary towels comprises the following processing steps:
(1) preparing the porous cool master batch: adding a cooling agent into a container, covering the surface of the cooling agent with a porous particulate adsorbent, sealing the container, raising the temperature in the container to 50-58 ℃, shaking the container to enable the cooling agent to be adsorbed by the porous adsorbent, and cooling; the dosage ratio of the cooling agent to the porous particle adsorbent is 1: 1.8-2.0;
(2) the main material master batch and the porous cool master batch are uniformly mixed;
(3) and (3) low-temperature drying treatment: freezing and low-temperature drying the spinning raw material in the step (2) to control the water content within 0.05%;
(4) preparing a functional master batch: taking polypropylene granules as a main material, adding liquid di-tert-butyl peroxide, mixing the polypropylene granules and the liquid di-tert-butyl peroxide, and feeding the mixture into a screw extruder for processing, wherein the dosage ratio of the polypropylene granules to the di-tert-butyl peroxide is 1: 0.01-0.02;
(5) uniformly mixing the substance treated in the step (3) and the functional master batch prepared in the step (4), performing melt extrusion, spinning to form strip fibers, cooling, oiling, drawing, yarn guiding, feeding and slitting to obtain cool fibers;
(6) and (5) making the product obtained in the step (5) into cool non-woven fabric by non-woven fabric forming equipment.
The further improvement is that: the freshener is menthol.
The further improvement is that: the preparation method of the porous particle adsorbent comprises the following steps: taking 100 parts by weight of sodium dodecyl sulfate, stirring at the rotating speed of 1000-1500 r/min to generate foam, mixing the foam with bentonite and acrylic acid polymerization monomer, treating at the rotating speed of 800-1500 r/min for 2-3 min, adding sodium persulfate, uniformly mixing, performing water bath treatment to enable the mixture to have polymerization reaction to obtain a porous substance, and then washing, cutting and drying.
The further improvement is that: the size of the cut porous particulate adsorbent was controlled to within 3 mm.
The further improvement is that: the water bath treatment time is 70-80 ℃, and the water bath treatment time is 1-2 h.
The further improvement is that: the porous particulate adsorbent has a pore size of less than 25 microns.
The further improvement is that: in the step (4), the total time for mixing the polypropylene granules with the di-tert-butyl peroxide and treating the mixture by the screw extruder is controlled to be 5-8 min.
The further improvement is that: in the step (4), the temperature of the delivery section of the screw extruder is controlled at 130-.
The further improvement is that: the N, N' -methylene bisacrylamide accounting for 2-5% of the weight of the sodium dodecyl sulfate is added during foaming treatment.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the invention takes porous cooling master batches, functional master batches and main material master batches as spinning raw materials of fibers, the porous cooling master batches take porous adsorbents and cooling agents as raw materials, and the cooling agents are fully adsorbed by the porous adsorbents through specific treatment process, the porous adsorbents are in particle grade, the pores are fine and many, and the cooling agents are effectively attached in the pores; the functional master batch is polypropylene particles modified by di-tert-butyl peroxide, polypropylene has higher relative molecular mass, the viscosity of a melt is high, the spinnability of high-speed spinning is poor, low-speed spinning needs higher temperature and needs to consume a large amount of energy, and the di-tert-butyl peroxide added in the invention can reduce the molecular weight of polypropylene pre-oriented yarns, reduce the viscosity, improve the fluidity of the melt and further improve the spinning speed.
2. Menthol is volatile, and in the preparation process, the menthol is placed into a container firstly, and then is covered with a porous adsorbent, so that the volatilization of the menthol can be slowed down, and the container is sealed and treated, so that the menthol can be prevented from escaping in the reaction process.
3. The dosage ratio of the cooling agent to the porous particle adsorbent is controlled to be 1: 1.8-2.0, the menthol can be effectively adsorbed by the porous particle adsorbent, when the dosage ratio of the cooling agent is less than 1/2, the porous particle adsorbent cannot be fully utilized, namely, the pores on the porous particle adsorbent cannot be effectively utilized, which causes waste, and when the dosage ratio of the porous particle adsorbent is less than 1.8, the menthol cannot be completely adsorbed by the porous particle adsorbent, which causes waste of menthol raw material.
4. The porous particle adsorbent of the invention adopts porous bentonite as a base material, sodium dodecyl sulfate is used for modifying the porous bentonite, sodium dodecyl sulfate is foamed, and then the sodium dodecyl sulfate is mixed with bentonite and acrylic acid polymerization monomers, so that the reaction has larger contact area, and the polymerization is favorably carried out.
5. Furthermore, N' -methylene bisacrylamide is added in the foaming process of the sodium dodecyl sulfate, so that the foamed sodium dodecyl sulfate and bentonite have better fusion property, and the defoaming rate is reduced.
6. Further, in the step (4), the temperature of the delivery section of the screw extruder is controlled to be 140 ℃ at 130-.
7. The total time of mixing the polypropylene granules and the di-tert-butyl peroxide and treating the polypropylene granules by a screw extruder is controlled to be 5-8 min, and the boiling point of the di-tert-butyl peroxide is 109-110 ℃, so when the polypropylene granules and the polypropylene granules are in contact for too long time, the di-tert-butyl peroxide is easy to volatilize, and the effective content of the di-tert-butyl peroxide in the functional master batch can be increased within 8 min.
Detailed Description
Example one
A preparation method of cool non-woven fabric for sanitary towels comprises the following processing steps:
(1) preparing the porous cool master batch: adding menthol into a container, covering the surface of the menthol with a porous particle adsorbent, sealing the container, raising the temperature in the container to 50 ℃, shaking the container to enable the menthol to be adsorbed by the porous adsorbent, and cooling; the dosage ratio of the menthol to the porous particle adsorbent is 1: 1.8; the preparation method of the porous particle adsorbent comprises the following steps: taking 100 parts by weight of sodium dodecyl sulfate and 2 parts by weight of N, N' -methylene bisacrylamide, stirring at the rotating speed of 1000r/min to generate foam, mixing the foam with bentonite and an acrylic acid polymerization monomer, treating for 2min at the rotating speed of 800r/min, adding sodium persulfate, uniformly mixing, treating in 70 ℃ water bath for 2h to enable the mixture to have polymerization reaction to obtain a porous substance with pores smaller than 25 micrometers, washing with water, cutting and drying, wherein the size of the cut porous microparticle adsorbent is 3mm x 3 mm;
(2) the main material master batch and the porous cool master batch are uniformly mixed: the two are uniformly mixed in a mechanical stirring manner, and the uniform mixing is beneficial to the subsequent reaction;
(3) and (3) low-temperature drying treatment: freezing and drying the spinning raw material in the step (2) at low temperature to control the water content to be 0.05%; the menthol is prevented from volatilizing by adopting a freezing treatment drying mode;
(4) preparing a functional master batch: taking polypropylene granules as a main material, adding liquid di-tert-butyl peroxide, quickly mixing the polypropylene granules and the di-tert-butyl peroxide, and then sending the mixture into a screw extruder for processing, wherein the dosage ratio of the polypropylene granules to the di-tert-butyl peroxide is 1: 0.01; the temperature of a material conveying section of the screw extruder is controlled at 130 ℃, the temperature of a die head is controlled at 145 ℃, the rotating speed is controlled at 800r/min, the temperature of a melting section is controlled at 135 ℃, the residence time of a mixture of polypropylene granules and di-tert-butyl peroxide in the material conveying section of the screw extruder is controlled at about 5min, and the material conveying time of the material conveying section is realized by controlling the parameters of the screw extruder;
(5) uniformly mixing the substance processed in the step (3) and the functional master batch prepared in the step (4), performing melt extrusion, spinning to form strip fibers, cooling, oiling, traction, yarn guiding, feeding and slitting to obtain cool fibers, wherein the processes after melt extrusion are all conventional processes and are not repeated herein;
(6) and (3) making the product obtained in the step (5) into cool non-woven fabric by using non-woven fabric forming equipment, wherein the non-woven fabric forming equipment is well known in the market.
Example two
Referring to example one, compared with example one, in this example, no N, N' -methylenebisacrylamide is added in the sodium dodecyl sulfate foaming treatment, and other technical schemes are the same as in example one.
EXAMPLE III
A preparation method of cool non-woven fabric for sanitary towels comprises the following processing steps:
(1) preparing the porous cool master batch: adding menthol into a container, covering the surface of the menthol with a porous particle adsorbent, sealing the container, raising the temperature in the container to 58 ℃, shaking the container to enable the freshener to be adsorbed by the porous adsorbent, and cooling; the dosage ratio of the menthol to the porous particle adsorbent is 1: 2.0; the preparation method of the porous particle adsorbent comprises the following steps: taking 100 parts by weight of sodium dodecyl sulfate and 3 parts by weight of N, N' -methylene bisacrylamide, stirring at the rotating speed of 1500r/min to generate foam, mixing the foam with bentonite and an acrylic acid polymerization monomer, treating for 3min at the rotating speed of 1000r/min, adding sodium persulfate, uniformly mixing, treating in a water bath at the temperature of 80 ℃ for 1h to enable the mixture to have polymerization reaction to obtain a porous substance with pores smaller than 20 micrometers, washing with water, cutting and drying, wherein the size of the cut porous microparticle adsorbent is 2mm x 32mm x 2 mm;
(2) the main material master batch and the porous cool master batch are uniformly mixed;
(3) and (3) low-temperature drying treatment: freezing and drying the spinning raw material in the step (2) at low temperature to control the water content to be 0.04%;
(4) preparing a functional master batch: taking polypropylene granules as a main material, adding liquid di-tert-butyl peroxide, mixing the polypropylene granules and the liquid di-tert-butyl peroxide, and feeding the mixture into a screw extruder for processing, wherein the dosage ratio of the polypropylene granules to the di-tert-butyl peroxide is 1: 0.02; the total time for mixing the polypropylene granules with the di-tert-butyl peroxide and treating by the screw extruder is controlled to be 8 min; the temperature of a material conveying section of the screw extruder is controlled at 140 ℃, the temperature of a die head is controlled at 148 ℃, the rotating speed is controlled at 900r/min, and the temperature of a melting section is controlled at 138 ℃;
(5) uniformly mixing the substance treated in the step (3) and the functional master batch prepared in the step (4), performing melt extrusion, spinning to form strip fibers, cooling, oiling, drawing, yarn guiding, feeding and slitting to obtain cool fibers;
(6) and (5) making the product obtained in the step (5) into cool non-woven fabric by non-woven fabric forming equipment.
Comparative example 1
The dosage ratio of the menthol to the porous particle adsorbent is 1: 2.3, the other technical schemes are consistent with the embodiment.
Comparative example No. two
The dosage ratio of the menthol to the porous particle adsorbent is 1.2: 1.8, the other technical schemes are consistent with the embodiment.
Comparative example No. three
Compared with the first embodiment, the step (4) is omitted, and other technical schemes are the same as the first embodiment, namely, no functional master batch is added in the preparation process of the cool non-woven fabric for the sanitary towel.
Comparative example No. four
Compared with the first embodiment, the treatment process in the step (4) is different, and specifically comprises the following steps:
(4) preparing a functional master batch: taking polypropylene granules as a main material, adding liquid di-tert-butyl peroxide, quickly mixing the polypropylene granules and the di-tert-butyl peroxide, and then sending the mixture into a screw extruder for processing, wherein the dosage ratio of the polypropylene granules to the di-tert-butyl peroxide is 1: 0.01; the temperature of the material conveying section of the screw extruder is controlled at 130 ℃, the temperature of the die head is controlled at 145 ℃, the rotating speed is controlled at 800r/min, the temperature of the melting section is controlled at 135 ℃, the residence time of the mixture of the polypropylene granules and the di-tert-butyl peroxide in the material conveying section of the screw extruder is controlled at 15min, and the material conveying time of the material conveying section is realized by controlling the parameters of the screw extruder.
Comparative example five
Compared with the first embodiment, the treatment process in the step (4) is different, and specifically comprises the following steps:
(4) preparing a functional master batch: taking polypropylene granules as a main material, adding liquid di-tert-butyl peroxide, quickly mixing the polypropylene granules and the di-tert-butyl peroxide, and then sending the mixture into a screw extruder for processing, wherein the dosage ratio of the polypropylene granules to the di-tert-butyl peroxide is 1: 0.01; the temperature of the material conveying section of the screw extruder is controlled to be 300 ℃, the temperature of a die head is controlled to be 315 ℃, the rotating speed is controlled to be 1500r/min, the temperature of the melting section is controlled to be 295 ℃, the residence time of the mixture of the polypropylene granules and the di-tert-butyl peroxide in the material conveying section of the screw extruder is controlled to be 15min, and the material conveying time of the material conveying section is realized by controlling the parameters of the screw extruder.
The performance tests were performed on the intermediate products from examples one to three and comparative examples one to five, specifically:
while the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A preparation method of cool non-woven fabric for sanitary towels is characterized by comprising the following processing steps:
(1) preparing the porous cool master batch: adding a cooling agent into a container, covering the surface of the cooling agent with a porous particulate adsorbent, sealing the container, raising the temperature in the container to 50-58 ℃, shaking the container to enable the cooling agent to be adsorbed by the porous adsorbent, and cooling; the dosage ratio of the cooling agent to the porous particle adsorbent is 1: 1.8-2.0;
(2) the main material master batch and the porous cool master batch are uniformly mixed;
(3) and (3) low-temperature drying treatment: freezing and low-temperature drying the spinning raw material in the step (2) to control the water content within 0.05%;
(4) preparing a functional master batch: taking polypropylene granules as a main material, adding liquid di-tert-butyl peroxide, mixing the polypropylene granules and the liquid di-tert-butyl peroxide, and feeding the mixture into a screw extruder for processing, wherein the dosage ratio of the polypropylene granules to the di-tert-butyl peroxide is 1: 0.01-0.02;
(5) uniformly mixing the substance treated in the step (3) and the functional master batch prepared in the step (4), performing melt extrusion, spinning to form strip fibers, cooling, oiling, drawing, yarn guiding, feeding and slitting to obtain cool fibers;
(6) and (5) making the product obtained in the step (5) into cool non-woven fabric by non-woven fabric forming equipment.
2. The method for preparing a cool non-woven fabric for a sanitary napkin according to claim 1, wherein: the freshener is menthol.
3. The method for preparing a cool and refreshing nonwoven fabric for sanitary napkins according to claim 1, wherein the porous particulate adsorbent is prepared by: taking 100 parts by weight of sodium dodecyl sulfate, stirring at the rotating speed of 1000-1500 r/min to generate foam, mixing the foam with bentonite and acrylic acid polymerization monomer, treating at the rotating speed of 800-1500 r/min for 2-3 min, adding sodium persulfate, uniformly mixing, performing water bath treatment to enable the mixture to have polymerization reaction to obtain a porous substance, and then washing, cutting and drying.
4. The method for preparing a cool nonwoven fabric for sanitary napkins according to claim 3, wherein: the size of the porous particle adsorbent after cutting is controlled within 3 mm.
5. The method for preparing a cool nonwoven fabric for sanitary napkins according to claim 3, wherein: the water bath treatment time is 70-80 ℃, and the water bath treatment time is 1-2 h.
6. The method for preparing a cool nonwoven fabric for sanitary napkins according to claim 3, wherein: the porous particulate adsorbent has a pore size of less than 25 microns.
7. The method for preparing a cool non-woven fabric for a sanitary napkin according to claim 1, wherein: in the step (4), the total time for mixing the polypropylene granules with the di-tert-butyl peroxide and treating the mixture by the screw extruder is controlled to be 5-8 min.
8. The method for preparing a cool non-woven fabric for a sanitary napkin according to claim 1, wherein: in the step (4), the temperature of the delivery section of the screw extruder is controlled at 130-.
9. The method for preparing a cool nonwoven fabric for sanitary napkins according to claim 3, wherein: the N, N' -methylene bisacrylamide accounting for 2-5% of the weight of the sodium dodecyl sulfate is added during foaming treatment.
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| CN202110880882.5A CN113616424A (en) | 2021-08-02 | 2021-08-02 | Preparation method of cool non-woven fabric for sanitary towel |
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| US6313228B1 (en) * | 1998-11-25 | 2001-11-06 | Basell Polyolefine Gmbh | Peroxidic treatment of olefin polymers |
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-
2021
- 2021-08-02 CN CN202110880882.5A patent/CN113616424A/en active Pending
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| US6313228B1 (en) * | 1998-11-25 | 2001-11-06 | Basell Polyolefine Gmbh | Peroxidic treatment of olefin polymers |
| US20080128941A1 (en) * | 2006-11-14 | 2008-06-05 | Miguel Angel Caballero Lopez | Process for the additivation of synthetic fibres, artificial fibres and polymers with special properties |
| CN102908656A (en) * | 2012-10-17 | 2013-02-06 | 天津市中科健新材料技术有限公司 | Coolness delivery composition for absorptive product and preparation method thereof |
| CN103806284A (en) * | 2013-10-11 | 2014-05-21 | 天津市中科健新材料技术有限公司 | Method for manufacturing cool non-woven cloth for diversion layer of sanitary napkin |
| CN107815754A (en) * | 2017-11-14 | 2018-03-20 | 厦门安踏体育用品有限公司 | A kind of cool feeling temperature adjustment polyester fiber and preparation method thereof, clothes and footwear |
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| Title |
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| 曹邦威: "《纸助留剂与干湿增强剂的理论与应用》", 31 July 2011, 中国轻工业出版社 * |
| 郑水林，王彩丽，李春全: "《粉体表面改性》", 30 June 2019 * |
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