CN112726199A - Cool skin-friendly non-woven fabric and preparation method thereof - Google Patents
Cool skin-friendly non-woven fabric and preparation method thereof Download PDFInfo
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- CN112726199A CN112726199A CN202011575529.8A CN202011575529A CN112726199A CN 112726199 A CN112726199 A CN 112726199A CN 202011575529 A CN202011575529 A CN 202011575529A CN 112726199 A CN112726199 A CN 112726199A
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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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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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
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
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- 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
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- D06M23/12—Processes in which the treating agent is incorporated in microcapsules
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Abstract
The invention discloses a cool skin-friendly non-woven fabric and a preparation method thereof, wherein the cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight: 50-95 parts of modified polypropylene, 1-10 parts of jade master batch, 1-10 parts of xylitol master batch and 1-10 parts of polypropylene, the prepared cool reinforced non-woven fabric has a good cool effect, and the cool skin-friendly non-woven fabric obtained through post-finishing with a hydrophilic cool oil agent or a water-repellent cool oil agent has a more excellent cool effect. The cool feeling skin-friendly non-woven fabric has the advantages of long cool feeling duration time, good instant cool feeling effect, good continuous cool feeling effect and good comprehensive cool feeling performance; high air permeability, good air permeability, and good cool feeling and skin-friendly performance.
Description
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a cool skin-friendly non-woven fabric and a preparation method thereof.
Background
Nonwoven fabrics (Non Woven fabrics), also known as nonwovens or Non-Woven fabrics, are sheets, webs or batts made of oriented or randomly arranged fibers that are bonded to one another by friction, cohesion or bonding, or a combination of these methods. It excludes paper as well as woven, knitted, tufted, stitch-bonded with stitch-bonded yarns and wet felted goods. In short, a nonwoven fabric is a cloth-like material made of fibers that is produced without the need for a weaving process.
The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich color, low price, recycling and the like. For example, the polypropylene (pp material) granules are mostly adopted as raw materials and are produced by a continuous one-step method of high-temperature melting, spinning, laying a line and hot-pressing coiling.
However, the conventional nonwoven fabric has the following problems:
1. no cool feeling, or poor cool feeling effect; such as masks, diapers, sanitary napkins, adult diapers and the like made of non-woven fabrics are stuffy and hot, are easy to be allergic, and are uncomfortable after long-term use;
2. poor air permeability, poor skin affinity and poor comfort.
Disclosure of Invention
Based on the above situation, the invention aims to provide a cool skin-friendly non-woven fabric and a preparation method thereof, which can effectively solve the above problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight:
50-95 parts of modified polypropylene,
1-10 parts of jade master batch,
1-10 parts of xylitol master batch,
1-10 parts of polypropylene.
The invention also provides a preparation method of the cool skin-friendly non-woven fabric, which comprises the following steps:
A. preparing materials: weighing the raw materials of the cool skin-friendly non-woven fabric according to the parts by weight, respectively drying the raw materials, and uniformly mixing the raw materials to obtain a mixture;
B. feeding: putting the mixture into a trough for later use; melt extrusion: the mixture is heated and sheared by a double-screw extruder and then melted and extruded to form a mixed melt; metering: the mixed melt is metered by a gear pump; spinning: the metered mixed melt enters a die head of a spinning machine and is spun through a spinneret plate of the spinning machine to form fibers; drafting: drafting the spun fiber by airflow; lapping: uniformly paving the drafted fibers on a net curtain in sequence to form cool non-woven fabric; fixing the net by a rolling mill: fixing the net of the lapped non-woven fabric by a rolling mill to form a cool reinforced non-woven fabric;
C. and (3) after finishing: and performing cool sense finishing on the cool sense reinforced non-woven fabric to obtain the cool sense skin-friendly non-woven fabric.
Preferably, the cool skin-friendly non-woven fabric is a hydrophilic non-woven fabric, and the step C specifically includes the following steps:
c 11: preparation: preparing pure hydrophilic cool oil agent by using 5-30 parts by weight of xylitol, 5-20 parts by weight of mint extract, 5-30 parts by weight of ice feeling silicone oil, 5-20 parts by weight of hydrophilic oil agent and 1-30 parts by weight of microcapsule phase change material;
c 12: blending: mixing the pure hydrophilic cool oil agent with a proper amount of water to obtain a hydrophilic cool oil agent with the solid content of 3-35%;
c 13: oiling: applying the hydrophilic cool feeling oiling agent to the cool feeling reinforced non-woven fabric in a coating, padding or spraying mode; drying: drying the oiled cool reinforcing non-woven fabric, wherein the content of the mint extract, the xylitol, the ice silicone oil, the hydrophilic oil and the microcapsule phase change material is 0.1-5%, 0.1-5% and 0.1-5% respectively.
Preferably, the cool skin-friendly non-woven fabric is a water-repellent non-woven fabric, and the step C specifically includes the steps of:
c 21: preparation: preparing pure water-repellent cool-feeling oil agent by using 5-30 parts by weight of xylitol, 5-20 parts by weight of mint extract, 5-30 parts by weight of ice-feeling silicone oil, 1-5 parts by weight of wetting agent and 1-30 parts by weight of microcapsule phase change material;
c 22: blending: mixing the pure water-repellent cool oil agent with a proper amount of water to obtain a water-repellent cool oil agent with the solid content of 3-35%;
c 23: oiling: applying the water-repellent cool feeling oiling agent to the cool feeling reinforced non-woven fabric in a coating, padding or spraying mode; drying: drying the oiled cool reinforcing non-woven fabric, wherein the content of the mint extract, the xylitol, the ice silicone oil and the microcapsule phase change material in the dried cool reinforcing non-woven fabric is 0.1-5%, 0.1-5% and 0.1-5%.
By adding the ice feeling silicone oil, the cool feeling is generated instantly when the cool feeling skin-friendly non-woven fabric contacts the skin of a human body, the instant cool feeling effect is better, and the cool feeling is not obvious after the non-woven fabric contacts the skin for a period of time; through the addition of the xylitol and the mint extract, the cool-feeling skin-friendly non-woven fabric has a cool feeling effect for a long time after contacting with human skin, and the lasting cool feeling effect is good; the cool feeling effect of the cool feeling skin-friendly non-woven fabric is greatly improved by combining the ice feeling silicone oil, the xylitol and the mint extracting solution.
The cool feeling skin-friendly non-woven fabric is prepared by selecting raw materials and optimizing the content of each raw material, so that the advantages of each raw material are fully exerted, and the raw materials complement and promote each other; high air permeability, good air permeability and good skin-friendly performance.
Preferably, the cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight:
72-82 parts of modified polypropylene,
4-6 parts of jade master batch,
3-5 parts of xylitol master batch,
5-7.5 parts of polypropylene.
Preferably, the cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight:
77 parts of modified polypropylene,
5 parts of jade master batch,
4 portions of xylitol master batch,
6.75 parts of polypropylene.
Preferably, the modified polypropylene is a blend of polypropylene, polyethylene and an ethylene-propylene block copolymer, and the ethylene-propylene block copolymer is a dadmax 7020BF high performance polymer.
Preferably, the blend of polypropylene, polyethylene and ethylene-propylene block copolymer has a mass ratio of polypropylene, polyethylene and ethylene-propylene block copolymer of 10: (2.8-3.2): (0.8 to 1.2).
By adding the modified polypropylene, the polyethylene and the ethylene-propylene block copolymer are mutually matched to play a good synergistic effect, and after a proper amount of polyethylene and the ethylene-propylene block copolymer are added to form a blend, spinning crystallization is changed during spinning, the spinning crystallization is influenced, the crystallinity and arrangement of the spinning crystallization are changed to achieve a cooling effect, and the cooling effect of the cool skin-friendly non-woven fabric is greatly improved.
Preferably, the jade master batch contains 22-32 wt% of jade and 50-65 wt% of polypropylene as carrier resin.
Through the addition of the jade master batch, jade powder achieves a cool feeling effect through heat conduction, and the cool feeling effect of the cool feeling skin-friendly non-woven fabric is further improved.
Preferably, the xylitol master batch contains 12-18 wt% of xylitol and 55-70 wt% of polypropylene as carrier resin.
Through the addition of the xylitol masterbatch, the xylitol reacts with water to absorb exhaled moisture and heat at the same time, so that the cool feeling effect is achieved, and the cool feeling effect of the cool feeling skin-friendly non-woven fabric is further improved.
Preferably, the microcapsule phase change material adopts polyethylene as a wall material and adopts a mixture of n-tetracosan, n-octacosane, n-octadecanol and stearic acid as a core material.
Preferably, the mass ratio of the wall material to the core material of the microcapsule phase change material is 1: (1.5-3.5), wherein the mass ratio of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid in the mixture of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid is 10: (7.5-8.2): (4-6): (3.4-4.4).
Through the addition of the microcapsule phase change material, after the polyethylene wall material is rubbed and broken with the skin, the n-tetracosan, the n-octacosane, the n-octadecanol and the stearic acid in the core material are matched with each other to play a good synergistic effect, and the heat conduction of the fiber contact surface is changed by contacting the skin, so that the cool feeling is brought to people, the temperature difference can be effectively changed, and the cool feeling effect of the cool feeling skin-friendly non-woven fabric is greatly improved.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the cool feeling skin-friendly non-woven fabric is prepared by selecting raw materials and optimizing the content of each raw material, so that the advantages of each raw material are fully exerted, and the cool feeling reinforced non-woven fabric is mutually supplemented and promoted; the cool skin-friendly non-woven fabric has high air permeability, good air permeability and good skin-friendly performance.
The microcapsule phase change material is prepared by wrapping phase change material (mixture of n-tetracosan, n-octacosane, n-octadecanol and stearic acid) by microcapsule technology to achieve solid-liquid conversion process. The microcapsule made of the phase-change material has the following advantages: the surface area and the conductivity of the phase-change material in the heat transfer process can be increased; the phase change process is completed in the microcapsule, so that the phase separation phenomenon can be greatly eliminated; the stability of the phase-change material is improved, and the toxicity and the volatility of some phase-change materials are reduced; the durability of the phase change material is improved, and the service life of the phase change material is prolonged; the phase change material microcapsule is convenient for encapsulation, and can meet the requirements of green and environment-friendly novel materials.
The cool skin-friendly non-woven fabric is mainly used on products such as paper diapers, sanitary towels, masks and the like, can be naturally used in other fields needing cool feeling, and is beneficial to improving the comfort of use in summer.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are conventional methods unless otherwise specified; the reagents and materials, unless otherwise indicated, are conventionally obtained commercially or prepared by conventional methods.
Example 1:
a cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight:
50-95 parts of modified polypropylene,
1-10 parts of jade master batch,
1-10 parts of xylitol master batch,
1-10 parts of polypropylene.
The invention also provides a preparation method of the cool skin-friendly non-woven fabric, which comprises the following steps:
A. preparing materials: weighing the raw materials of the cool skin-friendly non-woven fabric according to the parts by weight, respectively drying the raw materials, and uniformly mixing the raw materials to obtain a mixture; wherein, all or part of the raw materials can adopt a slicing form, such as modified polypropylene slices, jade master batch slices, xylitol master batch slices and polypropylene slices;
B. feeding: putting the mixture into a trough for later use; melt extrusion: the mixture is heated and sheared by a double-screw extruder and then melted and extruded to form a mixed melt; metering: the mixed melt is measured by a gear pump, and the capacity per unit time is measured; spinning: the metered mixed melt enters a die head of a spinning machine and is spun through a spinneret plate of the spinning machine to form fibers with certain fineness; drafting: drafting the spun fiber through airflow to reduce the fineness of the fiber; lapping: uniformly paving the drafted fibers on a net curtain in sequence to form a cool non-woven fabric with certain strength; fixing the net by a rolling mill: fixing the net of the lapped non-woven fabric by a rolling mill to form a cool reinforced non-woven fabric, so that the cool reinforced non-woven fabric can achieve the performance of a required product;
C. and (3) after finishing: and performing cool sense finishing on the cool sense reinforced non-woven fabric to obtain the cool sense skin-friendly non-woven fabric.
Further, the preparation method of the cool skin-friendly non-woven fabric can further comprise the following steps:
D. online monitoring: detecting defects of the cool skin-friendly non-woven fabric to ensure that the product is qualified;
E. winding: and rolling up the qualified cool skin-friendly non-woven fabric and cutting into products with the specifications required by customers.
Preferably, the cool skin-friendly non-woven fabric is a hydrophilic non-woven fabric, and the step C specifically includes the following steps:
c 11: preparation: preparing pure hydrophilic cool oil agent by using 5-30 parts by weight of xylitol, 5-20 parts by weight of mint extract, 5-30 parts by weight of ice feeling silicone oil, 5-20 parts by weight of hydrophilic oil agent and 1-30 parts by weight of microcapsule phase change material;
c 12: blending: mixing the pure hydrophilic cool oil agent with a proper amount of water to obtain a hydrophilic cool oil agent with the solid content of 3-35%;
c 13: oiling: applying the hydrophilic cool feeling oiling agent onto the cool feeling reinforced non-woven fabric in a coating (such as oil applying roller coating), padding or spraying manner, and applying oil to the cool feeling reinforced non-woven fabric to reduce the surface energy of the cool feeling reinforced non-woven fabric and achieve a hydrophilic effect; drying: drying the oiled cool reinforcing non-woven fabric, wherein the content of the mint extract after drying the cool reinforcing non-woven fabric is 0.1-5%, the content of xylitol is 0.1-5%, the content of ice silicone oil is 0.1-5%, the content of hydrophilic oil agent is 0.4-1.3%, and the content of microcapsule phase change material is 0.1-5%, so that mildew caused by high water content after oiling is avoided.
Wherein the ice feeling silicone oil can be hydrophilic ice feeling silicone oil SL-313 of Hangzhou Yizhou textile auxiliary company, K-801 cool feeling agent of Dongguan city Kongfu textile auxiliary industry Co. The hydrophilic oil agent can adopt a United states Golston PP-12667 hydrophilic agent, a non-woven fabric hydrophilic agent TF-629 of Zhejiang chemical Limited company and the like, and mainly plays a role in reducing the surface energy of the fabric, so that the hydrophilic effect is achieved.
Preferably, the cool skin-friendly non-woven fabric is a water-repellent non-woven fabric, and the step C specifically includes the steps of:
c 21: preparation: preparing pure water-repellent cool-feeling oil agent by using 5-30 parts by weight of xylitol, 5-20 parts by weight of mint extract, 5-30 parts by weight of ice-feeling silicone oil, 1-5 parts by weight of wetting agent and 1-30 parts by weight of microcapsule phase change material;
c 22: blending: mixing the pure water-repellent cool oil agent with a proper amount of water to obtain a water-repellent cool oil agent with the solid content of 3-35%;
c 23: oiling: applying the water-repellent cool feeling oiling agent to the cool feeling reinforced non-woven fabric in a coating, padding or spraying mode; drying: drying the oiled cool reinforcing non-woven fabric, wherein the content of the mint extract, the xylitol, the ice silicone oil and the microcapsule phase change material in the dried cool reinforcing non-woven fabric is 0.1-5%, 0.1-5% and 0.1-5%.
Wherein the ice silicone oil can be ice silicone oil SL-315 of Hangzhou Yizhou textile auxiliary company, K-801 of Dongguan Kongfeng textile auxiliary industry Co. The wetting agent can be hydroxyl trisiloxane polyoxyethylene ether, methoxyl trisiloxane polyoxyethylene ether, acetyl trisiloxane polyoxyethylene ether, acryloyl trisiloxane polyoxyethylene ether, dioctyl sodium sulfosuccinate and the like, and is beneficial to other components to quickly permeate into the cloth.
Preferably, the cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight:
72-82 parts of modified polypropylene,
4-6 parts of jade master batch,
3-5 parts of xylitol master batch,
5-7.5 parts of polypropylene.
Preferably, the cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight:
77 parts of modified polypropylene,
5 parts of jade master batch,
4 portions of xylitol master batch,
6.75 parts of polypropylene.
Preferably, the modified polypropylene is a blend of polypropylene, polyethylene and an ethylene-propylene block copolymer, and the ethylene-propylene block copolymer is a dadmax 7020BF high performance polymer. Among them, the dadmax 7020BF high performance polymer is a semi-crystalline propylene-ethylene copolymer produced by exxonmobil chemical industry using proprietary metallocene catalysis technology, which has superior elastomeric properties, is easy to process and is compatible with a wide range of polymer materials.
The mass ratio of the polypropylene to the polyethylene to the ethylene-propylene block copolymer in the blend of the polypropylene to the polyethylene to the ethylene-propylene block copolymer is 10: (2.8-3.2): (0.8 to 1.2).
Preferably, the jade master batch contains 22-32 wt% of jade and 50-65 wt% of polypropylene as carrier resin.
Preferably, the xylitol master batch contains 12-18 wt% of xylitol and 55-70 wt% of polypropylene as carrier resin.
Preferably, the microcapsule phase change material adopts polyethylene as a wall material and adopts a mixture of n-tetracosan, n-octacosane, n-octadecanol and stearic acid as a core material. The microcapsule phase change material is prepared by adopting the existing microcapsule preparation method, and is not described herein again. Of course, the microcapsule phase change material can also adopt phase change microcapsule products of Changzhou Meisheng biological material company and Hangzhou Feijie technology company.
Preferably, the mass ratio of the wall material to the core material of the microcapsule phase change material is 1: (1.5-3.5), wherein the mass ratio of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid in the mixture of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid is 10: (7.5-8.2): (4-6): (3.4-4.4).
Example 2:
a cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight:
50 parts of modified polypropylene,
1 part of jade master batch,
1 part of xylitol master batch,
1 part of polypropylene.
In this embodiment, the preparation method of the cool skin-friendly non-woven fabric includes the following steps:
A. preparing materials: weighing the raw materials of the cool skin-friendly non-woven fabric according to the parts by weight, respectively drying the raw materials, and uniformly mixing the raw materials to obtain a mixture;
B. feeding: putting the mixture into a trough for later use; melt extrusion: the mixture is heated and sheared by a double-screw extruder and then melted and extruded to form a mixed melt; metering: the mixed melt is measured by a gear pump, and the capacity per unit time is measured; spinning: the metered mixed melt enters a die head of a spinning machine and is spun through a spinneret plate of the spinning machine to form fibers with certain fineness; drafting: drafting the spun fiber through airflow to reduce the fineness of the fiber; lapping: uniformly paving the drafted fibers on a net curtain in sequence to form a cool non-woven fabric with certain strength; fixing the net by a rolling mill: fixing the net of the lapped non-woven fabric by a rolling mill to form a cool reinforced non-woven fabric, so that the cool reinforced non-woven fabric can achieve the performance of a required product;
C. and (3) after finishing: and performing cool sense finishing on the cool sense reinforced non-woven fabric to obtain the cool sense skin-friendly non-woven fabric.
The cool skin-friendly non-woven fabric is a hydrophilic non-woven fabric, and the step C specifically comprises the following steps:
c 11: preparation: preparing pure hydrophilic cool oil agent by 5 parts by weight of xylitol, 5 parts by weight of mint extract, 5 parts by weight of ice-feeling silicone oil, 5 parts by weight of hydrophilic oil agent and 1 part by weight of microcapsule phase change material;
c 12: blending: mixing the pure hydrophilic cool oil agent with a proper amount of water to obtain a hydrophilic cool oil agent with the solid content of 35%;
c 13: oiling: applying the hydrophilic cool feeling oiling agent to the cool feeling reinforced non-woven fabric in a coating, padding or spraying mode; drying: drying the oiled cool reinforced non-woven fabric, wherein the content of the mint extract, xylitol, ice silicone oil, hydrophilic oil and microcapsule phase change material after drying the cool reinforced non-woven fabric is 1.5%, 0.65%, 0.85%, 0.5% and 0.1%.
In this example, the modified polypropylene was a blend of polypropylene, polyethylene, and an ethylene-propylene block copolymer, which was a dadmax 7020BF high performance polymer.
The mass ratio of the polypropylene to the polyethylene to the ethylene-propylene block copolymer in the blend of the polypropylene to the polyethylene to the ethylene-propylene block copolymer is 10: 2.8: 0.8.
in this embodiment, the content of the jade in the jade master batch is 22 wt%, and the content of the carrier resin is 65 wt%.
In this embodiment, the xylitol masterbatch contains 12 wt% of xylitol, and the carrier resin is polypropylene, and the content of the carrier resin is 70 wt%.
In the embodiment, the microcapsule phase change material adopts polyethylene as a wall material, and adopts a mixture of tetracosan, octacosane, octadecanol and stearic acid as a core material.
In this embodiment, the mass ratio of the wall material to the core material of the microcapsule phase change material is 1: 3.5, the mass ratio of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid in the mixture of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid is 10: 7.5: 4: 3.4.
in this embodiment, the ice feeling silicone oil is hydrophilic ice feeling silicone oil SL-313 from hangzhou monozhou textile auxiliary company. The hydrophilic oil agent adopts a U.S. Golston PP-12667 hydrophilic agent.
Example 3:
a cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight:
95 parts of modified polypropylene,
10 parts of jade master batch,
10 portions of xylitol master batch,
10 parts of polypropylene.
In this embodiment, the preparation method of the cool skin-friendly non-woven fabric includes the following steps:
A. preparing materials: weighing the raw materials of the cool skin-friendly non-woven fabric according to the parts by weight, respectively drying the raw materials, and uniformly mixing the raw materials to obtain a mixture;
B. feeding: putting the mixture into a trough for later use; melt extrusion: the mixture is heated and sheared by a double-screw extruder and then melted and extruded to form a mixed melt; metering: the mixed melt is measured by a gear pump, and the capacity per unit time is measured; spinning: the metered mixed melt enters a die head of a spinning machine and is spun through a spinneret plate of the spinning machine to form fibers with certain fineness; drafting: drafting the spun fiber through airflow to reduce the fineness of the fiber; lapping: uniformly paving the drafted fibers on a net curtain in sequence to form a cool non-woven fabric with certain strength; fixing the net by a rolling mill: fixing the net of the lapped non-woven fabric by a rolling mill to form a cool reinforced non-woven fabric, so that the cool reinforced non-woven fabric can achieve the performance of a required product;
C. and (3) after finishing: and performing cool sense finishing on the cool sense reinforced non-woven fabric to obtain the cool sense skin-friendly non-woven fabric.
The cool skin-friendly non-woven fabric is a hydrophilic non-woven fabric, and the step C specifically comprises the following steps:
c 11: preparation: preparing pure hydrophilic cool oil agent by using 30 parts by weight of xylitol, 20 parts by weight of mint extract, 30 parts by weight of ice-feeling silicone oil, 20 parts by weight of hydrophilic oil agent and 30 parts by weight of microcapsule phase change material;
c 12: blending: mixing the pure hydrophilic cool oil agent with a proper amount of water to obtain a hydrophilic cool oil agent with the solid content of 3%;
c 13: oiling: applying the hydrophilic cool feeling oiling agent to the cool feeling reinforced non-woven fabric in a coating, padding or spraying mode; drying: drying the oiled cool reinforced non-woven fabric, wherein the content of the mint extract, the xylitol, the ice silicone oil, the hydrophilic oil and the microcapsule phase change material are 2.5%, 2.2%, 2.9%, 1.3% and 5% respectively after the cool reinforced non-woven fabric is dried.
In this example, the modified polypropylene was a blend of polypropylene, polyethylene, and an ethylene-propylene block copolymer, which was a dadmax 7020BF high performance polymer.
The mass ratio of the polypropylene to the polyethylene to the ethylene-propylene block copolymer in the blend of the polypropylene to the polyethylene to the ethylene-propylene block copolymer is 10: 3.2: 1.2.
in this embodiment, the content of the jade in the jade master batch is 32wt%, and the content of the carrier resin is 50 wt% and polypropylene.
In this embodiment, the xylitol mother particles contain xylitol 18wt%, and the carrier resin is polypropylene 55 wt%.
In the embodiment, the microcapsule phase change material adopts polyethylene as a wall material, and adopts a mixture of tetracosan, octacosane, octadecanol and stearic acid as a core material.
In this embodiment, the mass ratio of the wall material to the core material of the microcapsule phase change material is 1: 1.5, the mass ratio of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid in the mixture of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid is 10: 8.2: 6: 4.4.
in this embodiment, the ice feeling silicone oil is hydrophilic ice feeling silicone oil SL-313 from hangzhou monozhou textile auxiliary company. The hydrophilic oil agent adopts a U.S. Golston PP-12667 hydrophilic agent.
Example 4:
a cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight:
77 parts of modified polypropylene,
5 parts of jade master batch,
4 portions of xylitol master batch,
6.75 parts of polypropylene.
In this embodiment, the preparation method of the cool skin-friendly non-woven fabric includes the following steps:
A. preparing materials: weighing the raw materials of the cool skin-friendly non-woven fabric according to the parts by weight, respectively drying the raw materials, and uniformly mixing the raw materials to obtain a mixture;
B. feeding: putting the mixture into a trough for later use; melt extrusion: the mixture is heated and sheared by a double-screw extruder and then melted and extruded to form a mixed melt; metering: the mixed melt is measured by a gear pump, and the capacity per unit time is measured; spinning: the metered mixed melt enters a die head of a spinning machine and is spun through a spinneret plate of the spinning machine to form fibers with certain fineness; drafting: drafting the spun fiber through airflow to reduce the fineness of the fiber; lapping: uniformly paving the drafted fibers on a net curtain in sequence to form a cool non-woven fabric with certain strength; fixing the net by a rolling mill: fixing the net of the lapped non-woven fabric by a rolling mill to form a cool reinforced non-woven fabric, so that the cool reinforced non-woven fabric can achieve the performance of a required product;
C. and (3) after finishing: and performing cool sense finishing on the cool sense reinforced non-woven fabric to obtain the cool sense skin-friendly non-woven fabric.
The cool skin-friendly non-woven fabric is a water-repellent non-woven fabric, and the step C specifically comprises the following steps:
c 21: preparation: preparing pure water-repellent cool feeling oil agent by adopting 17.5 parts by weight of xylitol, 16 parts by weight of mint extract, 18 parts by weight of ice feeling silicone oil and 3 parts by weight of wetting agent;
c 22: blending: mixing the pure water-repellent cool oil agent with a proper amount of water to obtain a water-repellent cool oil agent with the solid content of 20%;
c 23: oiling: applying the water-repellent cool feeling oiling agent to the cool feeling reinforced non-woven fabric in a coating, padding or spraying mode; drying: drying the oiled cool reinforced non-woven fabric, wherein the content of the mint extract, the xylitol and the ice silicone oil in the dried cool reinforced non-woven fabric is 3%, 2.6% and 2.8%.
In this example, the modified polypropylene was a blend of polypropylene, polyethylene, and an ethylene-propylene block copolymer, which was a dadmax 7020BF high performance polymer.
The mass ratio of the polypropylene to the polyethylene to the ethylene-propylene block copolymer in the blend of the polypropylene to the polyethylene to the ethylene-propylene block copolymer is 10: 3: 1.
in this embodiment, the content of the jade in the jade master batch is 27 wt%, and the content of the carrier resin is 57 wt%.
In this embodiment, the xylitol mother particles contain xylitol 15 wt%, and the carrier resin is polypropylene 62 wt%.
In the embodiment, the microcapsule phase change material adopts polyethylene as a wall material, and adopts a mixture of tetracosan, octacosane, octadecanol and stearic acid as a core material.
In this embodiment, the mass ratio of the wall material to the core material of the microcapsule phase change material is 1: 2, the mass ratio of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid in the mixture of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid is 10: 7.8: 5: 3.8.
in this embodiment, the ice feeling silicone oil is hydrophilic ice feeling silicone oil SL-313 from hangzhou monozhou textile auxiliary company. The wetting agent is hydroxyl trisiloxane polyoxyethylene ether.
Example 5:
a method for preparing a cool skin-friendly non-woven fabric, which is different from the non-woven fabric prepared in example 4 in that:
the cool skin-friendly non-woven fabric is a hydrophilic non-woven fabric, and the step C specifically comprises the following steps:
c 11: preparation: preparing 17 parts by weight of xylitol, 12 parts by weight of mint extract, 18 parts by weight of ice-feeling silicone oil, 13 parts by weight of hydrophilic oil agent and 15 parts by weight of microcapsule phase change material to obtain pure hydrophilic cool-feeling oil agent;
c 12: blending: mixing the pure hydrophilic cool oil agent with a proper amount of water to obtain a hydrophilic cool oil agent with the solid content of 20%;
c 13: oiling: applying the hydrophilic cool feeling oiling agent to the cool feeling reinforced non-woven fabric in a coating, padding or spraying mode; drying: drying the oiled cool reinforced non-woven fabric, wherein the content of the mint extract, the xylitol, the ice silicone oil, the hydrophilic oil and the microcapsule phase change material after drying the cool reinforced non-woven fabric is 2.2 percent, 3.4 percent, 3.5 percent, 0.9 percent and 3.2 percent.
In this embodiment, the ice feeling silicone oil is hydrophilic ice feeling silicone oil SL-313 from hangzhou monozhou textile auxiliary company. The hydrophilic oil agent adopts a U.S. Golston PP-12667 hydrophilic agent.
The cool feeling reinforced nonwoven fabric before finishing, the cool feeling skin-friendly nonwoven fabric after finishing, and the ordinary PP nonwoven fabric in examples 2 to 5 of the present invention were subjected to cool feeling tests, respectively, and the sample fabric sizes were measured as follows: 20cm × 20cm, test ambient temperature: 34.8 ± 0.3 ℃, relative humidity: 27 +/-3%; the test method comprises the following steps: firstly, placing a sample cloth on a cold plate at 25 ℃, quickly covering a hot plate at 35 ℃ on the sample cloth, and recording temperature values of the hot plate after 0 minute, 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes and 30 minutes; the test results are shown in table 1.
Table 1: test results of Cool feeling
As can be seen from the above table 1, the cool reinforced non-woven fabric before after finishing has a good cool effect, the cool skin-friendly non-woven fabric after finishing has a more excellent cool effect, long cool duration, a good instant cool effect, a good continuous cool effect and good comprehensive cool performance.
Next, the air permeability of the cool skin-friendly nonwoven fabrics obtained in examples 2 to 5 of the present invention was measured, and the results are shown in table 2.
Table 2: test results of air permeability
As can be seen from the above table 2, the cool skin-friendly non-woven fabric has high air permeability, good air permeability and good skin-friendly performance.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
The invention discloses a cool skin-friendly non-woven fabric and a preparation method thereof, wherein the cool skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight: 50-95 parts of modified polypropylene, 1-10 parts of jade master batch, 1-10 parts of xylitol master batch and 1-10 parts of polypropylene, the prepared cool reinforced non-woven fabric has a good cool effect, and the cool skin-friendly non-woven fabric obtained through post-finishing with a hydrophilic cool oil agent or a water-repellent cool oil agent has a more excellent cool effect. The cool feeling skin-friendly non-woven fabric has the advantages of long cool feeling duration time, good instant cool feeling effect, good continuous cool feeling effect and good comprehensive cool feeling performance; high air permeability, good air permeability, and good cool feeling and skin-friendly performance.
Claims (10)
1. The cool skin-friendly non-woven fabric is characterized by being prepared from the following raw materials in parts by weight:
50-95 parts of modified polypropylene,
1-10 parts of jade master batch,
1-10 parts of xylitol master batch,
1-10 parts of polypropylene.
2. A method for preparing a cool skin-friendly nonwoven fabric according to claim 1, comprising the steps of:
A. preparing materials: weighing the raw materials of the cool skin-friendly non-woven fabric according to the parts by weight, respectively drying the raw materials, and uniformly mixing the raw materials to obtain a mixture;
B. feeding: putting the mixture into a trough for later use; melt extrusion: the mixture is heated and sheared by a double-screw extruder and then melted and extruded to form a mixed melt; metering: the mixed melt is metered by a gear pump; spinning: the metered mixed melt enters a die head of a spinning machine and is spun through a spinneret plate of the spinning machine to form fibers; drafting: drafting the spun fiber by airflow; lapping: uniformly paving the drafted fibers on a net curtain in sequence to form cool non-woven fabric; fixing the net by a rolling mill: fixing the net of the lapped non-woven fabric by a rolling mill to form a cool reinforced non-woven fabric;
C. and (3) after finishing: and performing cool sense finishing on the cool sense reinforced non-woven fabric to obtain the cool sense skin-friendly non-woven fabric.
3. The method for preparing a cool-feeling skin-friendly non-woven fabric according to claim 2, wherein the cool-feeling skin-friendly non-woven fabric is a hydrophilic non-woven fabric, and the step C specifically comprises the following steps:
c 11: preparation: preparing pure hydrophilic cool oil agent by using 5-30 parts by weight of xylitol, 5-20 parts by weight of mint extract, 5-30 parts by weight of ice feeling silicone oil, 5-20 parts by weight of hydrophilic oil agent and 1-30 parts by weight of microcapsule phase change material; c 12: blending: mixing the pure hydrophilic cool oil agent with a proper amount of water to obtain a hydrophilic cool oil agent with the solid content of 3-35%;
c 13: oiling: applying the hydrophilic cool feeling oiling agent to the cool feeling reinforced non-woven fabric in a coating, padding or spraying mode; drying: drying the oiled cool reinforcing non-woven fabric, wherein the content of the mint extract, the xylitol, the ice silicone oil, the hydrophilic oil and the microcapsule phase change material is 0.1-5%, 0.1-5% and 0.1-5% respectively.
4. The method for preparing the cool-feeling skin-friendly non-woven fabric according to claim 2, wherein the cool-feeling skin-friendly non-woven fabric is a water-repellent non-woven fabric, and the step C specifically comprises the following steps:
c 21: preparation: preparing pure water-repellent cool-feeling oil agent by using 5-30 parts by weight of xylitol, 5-20 parts by weight of mint extract, 5-30 parts by weight of ice-feeling silicone oil, 1-5 parts by weight of wetting agent and 1-30 parts by weight of microcapsule phase change material;
c 22: blending: mixing the pure water-repellent cool oil agent with a proper amount of water to obtain a water-repellent cool oil agent with the solid content of 3-35%;
c 23: oiling: applying the water-repellent cool feeling oiling agent to the cool feeling reinforced non-woven fabric in a coating, padding or spraying mode; drying: drying the oiled cool reinforcing non-woven fabric, wherein the content of the mint extract, the xylitol, the ice silicone oil and the microcapsule phase change material in the dried cool reinforcing non-woven fabric is 0.1-5%, 0.1-5% and 0.1-5%.
5. The method for preparing a cool skin-friendly non-woven fabric according to claim 2, wherein the modified polypropylene is a blend of polypropylene, polyethylene and an ethylene-propylene block copolymer, and the ethylene-propylene block copolymer is a dadmax 7020BF high performance polymer.
6. The method for preparing a cool feeling skin-friendly nonwoven fabric according to claim 5, wherein the blend of polypropylene, polyethylene and ethylene-propylene block copolymer has a mass ratio of polypropylene, polyethylene and ethylene-propylene block copolymer of 10: (2.8-3.2): (0.8 to 1.2).
7. The preparation method of the cool skin-friendly non-woven fabric according to claim 2, wherein the jade master batch contains 22-32 wt% of jade, and the carrier resin is polypropylene and is 50-65 wt%.
8. The preparation method of the cool skin-friendly non-woven fabric according to claim 2, wherein the xylitol masterbatch contains 12-18 wt% of xylitol, and the carrier resin is polypropylene and contains 55-70 wt%.
9. The method for preparing cool skin-friendly non-woven fabric according to claim 2, wherein the microcapsule phase change material adopts polyethylene as a wall material and adopts a mixture of tetracosan, octacosane, octadecanol and stearic acid as a core material.
10. The preparation method of the cool feeling skin-friendly non-woven fabric according to claim 9, wherein the mass ratio of the wall material to the core material of the microcapsule phase change material is 1: (1.5-3.5), wherein the mass ratio of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid in the mixture of the n-tetracosan to the n-octacosane to the n-octadecanol to the stearic acid is 10: (7.5-8.2): (4-6): (3.4-4.4).
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