CN109662356A - A kind of natural corn cotton cup - Google Patents

A kind of natural corn cotton cup Download PDF

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Publication number
CN109662356A
CN109662356A CN201811543818.2A CN201811543818A CN109662356A CN 109662356 A CN109662356 A CN 109662356A CN 201811543818 A CN201811543818 A CN 201811543818A CN 109662356 A CN109662356 A CN 109662356A
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corn
cotton layer
cup
cotton
corn cotton
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CN109662356B (en
Inventor
黄福开
杨恬
林壮丰
郑燕玉
孟雄飞
邱锦钊
翁创杰
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Hongji Underwear Industry Co Ltd
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Hongji Underwear Industry Co Ltd
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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41C—CORSETS; BRASSIERES
    • A41C3/00—Brassieres
    • A41C3/12—Component parts
    • A41C3/14—Stiffening or bust-forming inserts
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41C—CORSETS; BRASSIERES
    • A41C3/00—Brassieres
    • A41C3/0028—Brassieres with size and configuration adjustment means
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41C—CORSETS; BRASSIERES
    • A41C3/00—Brassieres
    • A41C3/0085—Brassieres with ventilation feature
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • C12N11/10—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a carbohydrate
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
    • C12P7/56—Lactic acid
    • 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
    • D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
    • 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
    • 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
    • D01F1/103—Agents inhibiting growth of microorganisms
    • 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
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Manufacturing & Machinery (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The present invention relates to brassiere underwear technical fields, more particularly to a kind of natural corn cotton cup, the natural corn cotton cup includes symmetrically arranged two cups, and the cup includes sequentially connected first cotton layer from outside to inside, the first corn cotton layer, the second corn cotton layer, glue stratum reticulare, third corn cotton layer and the second cotton layer；The first corn cotton layer, the second corn cotton layer and third corn cotton layer are made of zein fiber weaving；The cup is equipped with hand push portion far from the side of heart, and the hand push portion is by the cotton layer compression molding of third corn.Corn cotton cup of the invention is ventilative comfortable, with preferable supportive, flexibility and antibiotic property, and it is made after processing using natural corn, material degradation rate is high, is embedded in soil and degrades, and carbon dioxide caused by degradation and water are directly entered to the soil organism or are absorbed by plants, the fertilising of plant is not only improved for nutrient, promote photosynthesis, will not be emitted into air and cause greenhouse effects, it is environmentally friendly.

Description

A kind of natural corn cotton cup
Technical field
The present invention relates to brassiere underwear technical fields, and in particular to a kind of natural corn cotton cup.
Background technique
Clothes and underwear currently on the market is mostly cotton or chemical fibre (such as polyurethane, polyethers), and degradation rate is low, and if Cotton or chemical fibre are handled, still cause a large amount of greenhouse gases to be discharged into air using the processing mode cremated is burned at present In, cause environmental pollution；Meanwhile underwear brassiere belongs to the underclothes of daily wearing, wearing duration is longer, human body worn for long periods The underwear brassiere of the fibers materials such as polyurethane, polyethers damages health, long-term to be easy to induce the creams such as mazoitis, breast cancer Gland disease is unfavorable for human health.
Summary of the invention
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide a kind of natural corn cottons Cup, the corn cotton cup is ventilative comfortable, has preferable supportive, flexibility and antibiotic property, and after processing using natural corn Be made, material degradation rate is high, is embedded in soil and degrades, degrade caused by carbon dioxide and water be directly entered to soil and have Machine matter is absorbed by plants, and is not only improved the fertilising of plant for nutrient, is promoted photosynthesis, again as the material of plant growth One of, reproducibility is good, and will not be emitted into air and cause greenhouse effects, environmentally friendly.
The purpose of the invention is achieved by the following technical solution: a kind of natural corn cotton cup, including symmetrically arranged two Cup, the cup include sequentially connected first cotton layer from outside to inside, the first corn cotton layer, the second corn cotton layer, glue net Layer, third corn cotton layer and the second cotton layer；The first corn cotton layer, the second corn cotton layer and third corn cotton layer are by jade Rice fibrous woven is made；The cup is equipped with hand push portion far from the side of heart, and the hand push portion is by the cotton layer molding of third corn Molding.
Corn cotton cup of the invention is ventilative comfortable, has preferable supportive, flexibility and antibiotic property, and using natural beautiful Rice after processing be made zein fiber weaving be made, have preferable gas permeability, oxygen permeability, two carbon of saturating dioxy, isolation smell, The characteristics such as biocidal property and fungus resistance, so that it is good using the cup gas permeability of cotton made from zein fiber of the invention, feeling of oppression and heat is not generated, Antibacterial fungus resistance is good, it is not easy to breed bacterial virus；In addition, its zein fiber pH value and human skin pH value are close, to skin It is harmless, nontoxic to the human body without side-effects, safety and environmental protection, and the biological degradation rate of material is high, ultimately generates carbon dioxide and water； If burial is degraded in the soil, under the decomposition of microorganism, then carbon dioxide and water is generated, soil can be directly entered Earth is organic or is absorbed by plants, and is not discharged into air, does not cause greenhouse effects, not only improves the fertilising of plant for nutrient, promotes Photosynthesis, and the photosynthesis raw material as vegetation, and can regenerate starting material starch, that realizes corn fibre feedstock can Reproducibility；And if burn polylactic acid material product, do not paste and release the toxic gases such as nitride, sulfide, to environment ring Close friend is protected, it is environmentally friendly.In addition, the fat on the outside of chest is drawn over to one's side and gathered by setting hand push portion, cotton cup is improved Effect and massage effect are gathered to the support on the outside of chest, practicability is high.
Preferably, the first corn cotton layer with a thickness of 3.5-4.5mm, the second corn cotton layer with a thickness of 17- 19mm, third corn cotton layer with a thickness of 7.5-8.5mm, the thickness of first cotton layer and the second cotton layer is 0.8-1.2mm, the glue stratum reticulare with a thickness of 1-2mm, the mesh density of the glue stratum reticulare is 28-32/cm2。
The present invention passes through the thickness of strict control above layers, wherein the thickness of the second corn cotton layer reaches 17-19mm, it is thicker Heavier corn cotton layer be located at cup compared with outside, since gravity can be such that cotton cup center of gravity in wearing improves to outside The chest simulation quality of cotton cup, and there is more preferably flexibility and authenticity, improve the wearing comfort of cotton cup.And by stringent The thickness and mesh density of glue stratum reticulare are controlled, cotton cup can be supported and is formed, if the thinner thickness or mesh of glue stratum reticulare are close Degree is smaller, then reduces glue stratum reticulare to the supportive and stability of cotton cup；And if the thickness of glue stratum reticulare is thicker or mesh density compared with Greatly, then the flexibility and gas permeability for reducing glue stratum reticulare reduce the snugness of fit of cotton cup.
Preferably, the first corn cotton layer with a thickness of 3.5mm, 3.8mm, 4.0mm, 4.3mm or 4.5mm；Described Two corn cottons layers with a thickness of 17mm, 17.5mm, 18mm, 18.5mm or 19m；Third corn cotton layer with a thickness of 7.5mm, 7.8mm, 8.0mm, 8.3mm or 8.5mm；The thickness of first cotton layer and the second cotton layer be 0.8mm, 0.9mm, 1.0mm, 1.1mm or 1.2mm；The glue stratum reticulare with a thickness of 1mm, 1.2mm, 1.5mm, 1.8mm or 2mm；The glue stratum reticulare Mesh density is 28/cm2, 29/cm2, 30/cm2, 31/cm2Or 32/cm2。
Preferably, a cup is equipped with the adjusting that several adjustment holes are formed with cup inner surface close to the inner surface of heart Part, another cup are provided with connection strap close to the inner surface of heart, the end of the connection strap be equipped with for the adjustment hole The clasp being fastened and connected.
The present invention can be fastened on corresponding adjustment hole according to actual chest type by clasp by setting regulating part and clasp It is inside adjusted, so that cup such as can be suitably used for outer chest expanding type or gather chest type at the more chest type, and facilitates adjusting, improve cotton cup Wear convenience, practicability is high.Preferably, the connection strap is elastic connection strap, such as rubber band, can utilize it Elasticity realizes cotton cup to the adaptability of each chest type.
Preferably, the zein fiber is made by polylactic acid master batch, and the polylactic acid master batch includes following parts by weight Raw material:
The present invention prepares zein fiber by using polylactic acid, nontoxic to the human body without side-effects, and corn obtained can be made fine Tie up harmless, pH value and human skin pH value are close, and, safety and environmental protection harmless to skin is soft, and have preferable Intensity, elasticity, hydrophily, yellowing resistance and water diffusivity, sweat degerming can be dissipated, and biological degradability is good, ultimately generates dioxy Change carbon and water；And utilize zein fiber made from polylactic acid that there is preferable gas permeability, oxygen permeability, two carbon of saturating dioxy, isolation The characteristics such as smell, biocidal property and fungus resistance, so that it is good using the cup gas permeability of cotton made from zein fiber of the invention, it does not generate bored Thermal sensation, antibacterial fungus resistance are good, it is not easy to breed bacterial virus.
The inorganic filler that the present invention uses can effectively improve the dispersibility of each material, improve each material using its powder characteristics Between adhesive bonding, and then improve the interaction efficiency of material, and the mechanical strength of polylactic acid can be improved, improve and be made Wearability, breaking strength, the tear-resistant intensity of zein fiber etc., and reduce its shrinking percentage, the use for improving zein fiber is steady It is qualitative；And by using antistatic agent, the antistatic property of polylactic acid master batch can be improved, there is zein fiber obtained excellent Antistatic property is avoided that the electrostatic interaction that fiber generates, while during being also avoided that electrostatic prepares fiber to subsequent spinning Spinning is caused to interfere and influence；By using antioxidant, the stability of zein fiber obtained can be effectively improved, it is anti-to improve it The performances such as hydrolysis ability, ageing resistance, yellowing-resistant, under hot humid environment, indeformable or fiber after absorbing sweat, repeatedly after washing Structural break is impaired, and stability is high；By using surfactant, the raw material in polylactic acid master batch preparation process can be effectively improved Dispersibility and mixing uniformity stablize polylactic acid master batch performance obtained, stable zein fiber are made.
And by using coupling agent, the interaction of each raw material can be promoted, promote antistatic agent and antioxidant to poly- cream Acid is modified, and improves the antistatic property and inoxidizability of zein fiber；And by using dispersion stabilizer, inorganic fill out can be prevented Occur the phenomenon that reuniting, precipitating in feed powder body and other raw material mixed processes, avoids the feed distribution in polylactic acid master batch uneven It is even, improve the stock dispersion uniformity of polylactic acid master batch system.
Preferably, the inorganic filler includes 5-6 parts of mica powders, 1-3 parts of aluminum oxides, 1-2 parts of calcium carbonate and 2-3 parts Cordierite powder；The antistatic agent is by polyoxyethylene alkylamide, alkyl dicarboxyl methyl ammonium second lactone and the bis- (α-hydroxyl of alkyl Ethylamine phosphate) it with weight ratio is the mixture that forms of 2-3:1:1.8-2.4.
The present invention can be effectively facilitated between each material by using the inorganic filler of mentioned kind using its powder characteristics Adhesion improves the dispersibility and mixture homogeneity of storeroom, promotes the interaction of material, and can effectively improve polylactic acid Mechanical strength improves the performances such as wearability, breaking strength, the tear-resistant intensity of zein fiber obtained, and can reduce its contraction Rate improves the stability of zein fiber；Wherein, the active group in mica powder surface of use, be easy combined with strand, The company of twining can improve the polymerism of inorganic filler and polylactic acid, form fine and close layer reticular structure with poly lactic acid polymerized, improve poly- cream The stability of acid, comprehensive mechanical performance；In the cordierite powder of use, the hexatomic ring for constituting its structure arranges to be formed along C axis direction Along the channel of C axis, there is biggish space in channel, can mutually be mixed with a large amount of transition metal (aluminum oxide) using the space It closes, improves the compatibility and dispersibility of inorganic filler and polylactic acid, promote polylactic acid to mix with unclassified stores and be uniformly dispersed, and The aluminum oxide and silica of use can promote alkoxy in type siloxane coupling agent of the invention and filler surface Hydroxyl phase separation forms the monomolecular film of one layer of coupling, so that long chain alkane base is wound with polylactic acid molecule chain, Jin Eryou Effect improves the performances such as intensity, the tearing toughness of polylactic acid, improves the mechanical strength of zein fiber, and polylactic acid can be effectively reduced Melt viscosity, improve its processing performance in subsequent melt spinning process, elongated, uniform zein fiber be made.
And the present invention, to skin without effect, mildly safely, can make jade obtained by using the antistatic agent of mentioned kind Rice fiber will not cause to stimulate to skin, and antistatic effect is good, and thermal stability is good, is avoided that polylactic acid master batch in subsequent technique In will not cause the aging of polymer because of the high temperature of melting extrusion, wherein make by using alkyl dicarboxyl methyl ammonium second lactone For both sexes antistatic agent, it is used in combination with anionic antistatic agents (polyoxyethylene alkylamide), adhesive force with higher, It makes it easier to mutually adsorb phase separation with polylactic acid, improves the antistatic property of zein fiber, be avoided that the electrostatic that fiber generates is made With, while being also avoided that during electrostatic prepares fiber to subsequent spinning and spinning is caused to interfere and influence.
Preferably, the antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecyl and three (nonyls For phenyl) phosphite ester with weight ratio is the mixture that forms of 2-3:1；The surfactant is by polyoxyethylene carboxylate The mixture formed with alkyl phenol polyoxyethylene ether with weight ratio for 3-4:1.
And the present invention can improve the inoxidizability and stability of zein fiber by using the antioxidant of mentioned kind, Improve zein fiber hydrolysis resistance, under hot humid environment, after absorbing sweat, repeatedly washing after indeformable or fibre structure Fracture is impaired, and stability is high；Wherein, the anti-oxidant effect of β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid octadecyl of use Rate is high, nontoxic and pollution-free, has excellent compatibility with polylactic acid, and having preferably prevents from going bad caused by photo-thermal, damages and make With, heat-resisting, the water resistance of polylactic acid can be effectively improved, improve the weatherability of zein fiber, high temperature and humidity, repeatedly washing Afterwards, fibre structure is not broken does not damage, and stability is high；And three (nonyl is for phenyl) phosphite ester hot oxygen with higher used Stable performance, and the gel phenomenon of polylactic acid master batch system and the raising of viscosity can be inhibited, so that polylactic acid master batch is subsequent There is preferable mobility during melt spinning, be used for spinning, and spinning effect is elongated uniform, and with β-(3,5- bis- tertiary fourths Base -4- hydroxy phenyl) propionic acid octadecyl matches effect, and antioxidant effect significantly improves, and effectively improves the heat-resisting of polylactic acid Property and inoxidizability.
And the present invention can improve the stock dispersion in polylactic acid raw material system by using the surfactant of mentioned kind Property and mixing uniformity, stablize polylactic acid master batch performance obtained, stable zein fiber be made；Wherein, the alkyl of use Phenol polyethenoxy ether has both excellent dispersibility and antistatic property, can effectively improve the stock dispersion and corn of polylactic acid master batch The antistatic property of fiber.
Preferably, the coupling agent is vinyltriethoxysilane, anilinomethyl triethoxysilane, pyrophosphate titanium At least one of acid esters and vinyl three ('beta '-methoxy ethyoxyl) silane；The dispersion stabilizer is 2,5- di-t-butyl pair At least one of benzenediol, p-hydroxyanisole, hydroquinone and 2- tert-butyl hydroquinone；The solvent is by acetic acid second Ester, second alcohol and water are with the mixture that weight ratio is that 1-1.5:2-3:1 is formed.
The present invention can promote the interaction of each raw material, promote antistatic agent and antioxidant pair by the way that coupling agent is added Polylactic acid is modified, and improves the antistatic property and inoxidizability of zein fiber, and uses the coupling agent of mentioned kind, in utilization The inorganic phase for stating coupling agent carries out reacting for surface group with polylactic acid master batch, forms the powder that molecular film is wrapped in inorganic filler Around particle, agglomerating for the powder particles of inorganic filler is prevented, while utilizing the organic phase and polylactic acid of above-mentioned coupling agent Mixture is reacted, and the interfacial tension between the powder particles of inorganic filler and polymer is reduced, and improves polylactic acid master batch Dispersibility and compatibility.
And by using the dispersion stabilizer of mentioned kind, antioxygenic effect with higher, stability is high, and have compared with Good dispersibility and compatibility, can effectively prevent inorganic filler in raw material mixed process powder granule occur reunite, precipitating Phenomenon avoids the feed distribution in polylactic acid master batch uneven, and then promotes polylactic acid master batch in subsequent melt spinning process Phenomena such as being uniformly dispersed, reunite if it exists of raw material influences the mobility of polylactic acid master batch in the molten state, when leading to spinneret Squeeze out uneven and zein fiber uniformity and stability uneven, and then that influence spinneret.
Each raw material, as solvent, can be sufficiently uniformly dissolved by the present invention by using mentioned kind, and recycled and be easy, to people Body is harmless, and conventionally employed monochloro methane, methylene chloride, toluene equal solvent are dissolved, traditional toxic solvent and recycling is tired Difficulty, residue are harmful to the human body；In addition, the solvent of above-mentioned use is easy to be evaporated removing before subsequent melt spinneret, improve The processing forming of spinneret is easy to carry out melt-blowing.
Preferably, the polylactic acid is made by corn through microbial fermentation, the specific steps are as follows:
Step (1): corn stem, Maize Stem are crushed, and obtain maize raw material, and distilled water and culture solution is then added, The parts by weight mixed proportion for controlling maize raw material, distilled water and culture solution is 1:2-3:0.4-1.2, and corn mixing is made；
Step (2): taking Rhizopus oryzae spore, and distilled water be added, and control solid-liquid ratio is 1:8-10, and it is outstanding that Rhizopus oryzae spore is made Supernatant liquid；
Step (3): Rhizopus oryzae spore suspension made from step (2) is fixed on fixation support, immobilization is obtained Rhizopus oryzae seed；And immobilization Rhizopus oryzae seed is added to corn mixing made from step (1), and add fermented and cultured material, The parts by weight mixed proportion for controlling immobilization Rhizopus oryzae seed, corn mixing and fermented and cultured material is 1:15-20:1.5-2.0, into Row immobilization fermentation ferments 3-5 days at 25-40 DEG C, and the fermentation material containing lactate is made；
Step (4): the sulphur that mass fraction is 15-25% is added into step (3) fermentation material obtained containing lactate Acid, and the parts by weight mixed proportion for controlling sulfuric acid and the fermentation material containing lactate is 1:65-80, stirs 20- at 55-70 DEG C Then 30min is filtered, obtain the mixed liquor containing lactic acid；
Step (5): chitosan is added into step (4) mixed liquor obtained containing lactic acid, adjusts pH to 6-7, control The parts by weight mixed proportion of chitosan and the mixed liquor containing lactic acid is 2-4:50-60, and 2-3h, side stirring are kept the temperature at 25-35 DEG C Side flocculation, stands 2-2.5h and supernatant is taken to be centrifuged after flocculation, removal precipitating obtains centrifugate；
Step (6): centrifugate made from step (5) is extracted, active carbon filters, poly- cream is obtained after ion exchange Acid.
The present invention prepares polylactic acid through the above steps, and lactic acid is first prepared by the way of microbial fermentation, and therein Pfansteihl and D-ALPHA-Hydroxypropionic acid can be absorbed by the body completely, nontoxic to the human body without side-effects, and polylactic acid raw material obtained can be made to human body Harmless, further polylactic acid master batch and zein fiber obtained are harmless, safety and environmental protection, and biological degradability is good；And it uses Rhizopus oryzae spore activity is high, can be Portugal by the Starch Conversion contained in smashed corn using the diastase of its secretion Grape sugar, fermentation efficiency is high, and the lactic acid purity that fermentation can be made to obtain is higher, improves the yield of fermentation yield and polylactic acid；And it generates Lactic acid in, containing Pfansteihl and D-ALPHA-Hydroxypropionic acid, the blending of both lactic acid exists, can be made the vertical structure with high crystalline gather it is newborn Acid has better solution temperature and mechanical strength, can make zein fiber obtained tensile strength with higher, elasticity, break The mechanical strengths such as elongation are split, make that corn cotton cup durability obtained is good, water resistance is good, repeatedly wears and washes and is indeformable.
And the sulfuric acid being added can convert the lactate contained in fermentation material, directly conversion obtains lactic acid, and utilization is low The sulfuric acid of concentration is as catalyst, and by esterification and hydrolysis, (steam wherein, generated under high temperature environment can make it Hydrolysis occurs) polylactic acid is generated, the yield of polylactic acid is high；And the filtering after sulfuric acid, which is added, will tie in lactic acid generating process Crystalline substance go out by-product calcium sulphate dihydrate remove, improve the purity of polylactic acid, (and remove calcium sulphate dihydrate can then act on Gypsum is perfused in ground, for the raw material of dry wall body, cement and agriculture field, improves polylactic acid by-product produced during the preparation process Resource utilization, it is friendly to environment environmental protection)；And chitosan is used, while the pH value in strict control mixed liquor and stirring temperature The time is spent, the Rhizopus oryzae spore still retained in mixed liquor can be flocculated, and removed floccule by way of centrifugation, it is real The existing archesporial removing of Rhizopus oryzae；It is extracted finally by the centrifugate to centrifugation upper layer, active carbon filtering, ion friendship It changes, residual sugar part, remaining medium and the fermentation byproduct in lactic acid solution is separated and removed, polylactic acid is effectively improved Purity.
Preferably, the extraction in the step (6), is that centrifugate is warming up to 75-90 DEG C, and then will enter mass fraction is The sulfuric acid of 25-30% is acidified, and the precipitating of acidification is then filtered to remove；Then it is further filtered, and carried out using active carbon The impurity such as heavy metal ion, calcium ion and amino acid are removed using ion exchange, then obtain the poly- of high-purity by decolorization Lactic acid, ion exchange therein use the large hole strong acid styrene system cation exchange resin comprising sulfonate radical, and with ion The hydrogen ion of exchanger resin exchanges the cation (Na in such as centrifugate encountered+、Ca2+、Al3+), and using the big of the base containing quaternary amine Hole strongly acidic styrene's series anion exchange resin swaps the anion in centrifugate, and two kinds of exchanger resins are big Pass resin can adsorb the macromolecular substances of amino acids, be removed, improve the concentration of polylactic acid.
Preferably, the zein fiber is made by following steps:
Polylactic acid, inorganic filler, coupling agent, dispersion stabilizer and solvent are stirred according to parts by weight, stirred evenly After add antistatic agent, antioxidant and surfactant, obtained mixture after being again stirring for uniformly；It then again will be obtained Mixture evaporation of solvent, and melt-blowing is carried out under conditions of temperature is 155-165 DEG C, it is cooled and shaped, makes after spinneret Obtain zein fiber.
The fusing point of polylactic acid is lower than its thermal decomposition temperature, thus the present invention prepares corn by using the mode of melt spinning Fiber can make the zein fiber uniform elongate spun, and intensity is high, and elasticity is good, and flexibility is good；Wherein, by first by polylactic acid, nothing Machine filler, coupling agent, dispersion stabilizer and solvent are stirred, and are improved between polylactic acid and other raw materials using inorganic filler Compatibility can improve dispersibility, bridging property and compatibility between raw material, and the powder of inorganic filler is prevented using dispersion stabilizer Material particle agglomerates, and then adds antistatic agent, antioxidant and surfactant, it is quiet to effectively improve resisting for zein fiber Electrically, the subsequent spinning process of electrostatic influence is avoided, and can avoid polylactic acid master batch in subsequent melt mistake by surfactant High temperature in journey and the aging for causing polymer, improve the intensity, elasticity and flexibility of zein fiber.
And the melt viscosity of polylactic acid is high, and temperature sensitive, thus be by the temperature of strict control melt-blowing 155-165 DEG C, it can make the mixing of the raw materials such as polylactic acid that there is preferable mobility, be easy to carry out spinning, and jade obtained can be made Rice fiber is elongated uniformly and intensity is high, if the temperature of melt-blowing is excessively high, is easy so that polylactic acid raw material is decomposed at high temperature, Influence the quality of zein fiber；If the temperature of melt-blowing is too low, since the viscosity of polylactic acid is larger, the stream of mixing can be made Dynamic property is lower, is not easy to carry out melt-blowing, the fiber wire of ejection is elongated uniformly, and intensity is high, and elasticity is good, and flexibility is good.And it melts Zein fiber fineness after body spinneret is 5.0-6.0D.
Preferably, the natural corn cotton cup is made by following steps:
Step A: the first corn cotton layer, the second corn cotton layer, glue stratum reticulare and third corn cotton layer are successively stacked, in pressure Hot moulding 115-125s is carried out at being 160-170 DEG C for 5-6 atmospheric pressure, temperature, it is cooling, it is then 5-6 atmosphere in pressure Pressure, temperature be 14-18 DEG C at carry out cold forming 50-60s, be made composite layer, the composite layer with a thickness of 26-30mm；
First cotton layer: being coated on the outer surface of composite layer made from step A by step B, and the second cotton layer is coated on The cup is made in the inner surface of composite layer made from step A after hot pressing；
Step C: cup made from step B is clipped, natural corn cotton cup is made after sewing.
The present invention prepares corn cotton cup, convenient operation and control through the above steps, and quality is stablized, and high production efficiency first will First corn cotton layer, the second corn cotton layer, glue stratum reticulare and third corn cotton layer carry out high temperature hot moulding, can will be in corn cotton layer Zein fiber tentatively melts, and is easy to be less prone to interlayer point with other each bonding connections of layer, the layer stability of raising cotton cup From the phenomenon that；Then low temperature molding is carried out again, and each layer raw material after will heat up is cooled down, while press mold, improves composite layer Mouldability；First facial layer and the second cotton layer are compound in thereafter the two sides of composite layer again, improve the protection to composite layer, and Improve the flexibility and gas permeability of cotton cup；And temperature, time, pressure in preparation process are entirely molded by strict control, no The structure and performance that zein fiber or polylactic acid can be destroyed can make cotton cup obtained have preferable gas permeability, supportive, softness Property and antibiotic property.
The beneficial effects of the present invention are: corn cotton cup of the invention is ventilative comfortable, has preferable gas permeability, support Property, flexibility and antibiotic property, and zein fiber weaving is made using natural corn after processing and is made, had preferably ventilative Property, oxygen permeability, two carbon of saturating dioxy, isolation smell, the characteristics such as biocidal property and fungus resistance so that utilizing zein fiber of the invention Cotton cup gas permeability obtained is good, does not generate feeling of oppression and heat, antibacterial fungus resistance is good, it is not easy to breed bacterial virus；In addition, its corn is fine It ties up pH value and human skin pH value is close, nontoxic to the human body without side-effects, safety and environmental protection harmless to skin, and the life of material Object degradation rate is high, ultimately generates carbon dioxide and water；If burial is degraded in the soil, in the decomposition of microorganism Under, then carbon dioxide and water are generated, it is organic or be absorbed by plants to be directly entered soil, is not discharged into air, does not cause greenhouse Effect, the fertilising for not only improving plant promotes photosynthesis, and the photosynthesis raw material as vegetation for nutrient, and can regenerate At starting material starch, the reproducibility of corn fibre feedstock is realized；And if burn polylactic acid material product, will not discharge The toxic gases such as nitride, sulfide out, it is friendly to environment environmental protection, it is environmentally friendly.And by setting hand push portion, it will be on the outside of chest Fat drawn over to one's side and gathered, improve cotton cup and effect and massage effect gathered to the support on the outside of chest, practicability is high.
Detailed description of the invention
Fig. 1 is the inner surface structure schematic diagram of cup of the present invention；
Fig. 2 is the enlarged structure schematic diagram of part A of the present invention；
Fig. 3 is the cross section structure schematic diagram of cup of the present invention.
Appended drawing reference are as follows: 1-cup, the 11-the first cotton layer, the 12-the first corn cotton layer, the 13-the second corn cotton layer, 14-glue stratum reticulares, 15-third corn cotton layers, the 16-the second cotton layer, 17-hand push portions, 2-adjustment holes, 3-connection straps, 31-clasps.
Specific embodiment
For the ease of the understanding of those skilled in the art, make below with reference to 1~3 couple of present invention of examples and drawings further Explanation, the content that embodiment refers to not is limitation of the invention.
Embodiment 1
See Fig. 1-3, a kind of natural corn cotton cup, including symmetrically arranged two cups 1, the cup 1 includes by outside extremely Interior sequentially connected first cotton layer 11, first corn cotton layer the 12, second corn cotton layer 13, glue stratum reticulare 14, third corn cotton layer 15 and second cotton layer 16；First corn cotton, 13 layers of 12, the second corn cotton of layer and third corn cotton layer 15 are by corn fibre Dimension weaving is made；The cup 1 is equipped with hand push portion 17 far from the side of heart, and the hand push portion 17 is by third corn cotton 15 mould of layer It is molded.
First corn cotton layer 12 with a thickness of 3.5-4.5mm, the second corn cotton layer 13 with a thickness of 17- 19mm, third corn cotton layer 15 with a thickness of 7.5-8.5mm, the thickness of first cotton layer 11 and the second cotton layer 16 Be 0.8-1.2mm, the glue stratum reticulare 14 with a thickness of 1-2mm, the mesh density of the glue stratum reticulare 14 is 28-32/cm2。
One cup 1 is equipped with the regulating part that several adjustment holes 2 are formed with 1 inner surface of cup close to the inner surface of heart, separately One cup 1 is provided with connection strap 3 close to the inner surface of heart, and the end of the connection strap 3 is equipped with for detaining with the adjustment hole 2 Close the clasp 31 of connection.
Embodiment 2
The difference of the present embodiment and above-described embodiment 1 is:
The zein fiber is made by polylactic acid master batch, and the polylactic acid master batch includes the raw material of following parts by weight:
The inorganic filler includes 5 parts of mica powders, 1 part of aluminum oxide, 1 part of calcium carbonate and 2 parts of cordierite powder；It is described anti- Electrostatic agent be by polyoxyethylene alkylamide, alkyl dicarboxyl methyl ammonium second lactone and alkyl bis- (α-ethylol amine phosphate) with Weight ratio is the mixture of 2:1:1.8 composition.
The antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecyl and three (nonyl is for phenyl) Phosphite ester is with the mixture that weight ratio is that 2:1 is formed；The surfactant is by polyoxyethylene carboxylate and alkyl phenol Polyoxyethylene ether is with the mixture that weight ratio is that 3:1 is formed.
The coupling agent is vinyltriethoxysilane；The dispersion stabilizer is p-hydroxyanisole；The solvent The mixture being made of ethyl acetate, second alcohol and water with weight ratio for 1.5:2:1.
The polylactic acid is made by corn through microbial fermentation, the specific steps are as follows:
Step (1): corn stem, Maize Stem are crushed, and obtain maize raw material, and distilled water and culture solution is then added, The parts by weight mixed proportion for controlling maize raw material, distilled water and culture solution is 1:2:0.4, and corn mixing is made；
Step (2): taking Rhizopus oryzae spore, and distilled water be added, and control solid-liquid ratio is 1:8, and Rhizopus oryzae spore suspension is made Liquid；
Step (3): Rhizopus oryzae spore suspension made from step (2) is fixed on fixation support, immobilization is obtained Rhizopus oryzae seed；And immobilization Rhizopus oryzae seed is added to corn mixing made from step (1), and add fermented and cultured material, The parts by weight mixed proportion for controlling immobilization Rhizopus oryzae seed, corn mixing and fermented and cultured material is 1:15:1.5, is fixed Change fermentation, ferment 5 days at 25 DEG C, the fermentation material containing lactate is made；
Step (4): being added the sulfuric acid that mass fraction is 15% into step (3) fermentation material obtained containing lactate, And the parts by weight mixed proportion for controlling sulfuric acid and the fermentation material containing lactate is 1:65, and stirs 30min at 55 DEG C, then It is filtered, obtains the mixed liquor containing lactic acid；
Step (5): chitosan is added into step (4) mixed liquor obtained containing lactic acid, adjusts pH to 6, controls shell The parts by weight mixed proportion of glycan and the mixed liquor containing lactic acid is 2:50, keeps the temperature 3h at 25 DEG C, flocculates while stirring, flocculation knot 2h is stood after beam takes supernatant to be centrifuged, and removal precipitating obtains centrifugate；
Step (6): centrifugate made from step (5) is extracted, active carbon filters, poly- cream is obtained after ion exchange Acid.
The zein fiber is made by following steps:
Polylactic acid, inorganic filler, coupling agent, dispersion stabilizer and solvent are stirred according to parts by weight, stirred evenly After add antistatic agent, antioxidant and surfactant, obtained mixture after being again stirring for uniformly；It then again will be obtained Mixture evaporation of solvent, and melt-blowing is carried out under conditions of temperature is 165 DEG C, it is cooled and shaped after spinneret, jade is made Rice fiber.
The natural corn cotton cup is made by following steps:
Step A: first corn cotton layer the 12, second corn cotton layer 13, glue stratum reticulare 14 and third corn cotton layer 15 are successively folded Put, hot moulding 125s carried out in the case where pressure is 5 atmospheric pressure, temperature is 160 DEG C, it is cooling, then pressure be 5 atmospheric pressure, Temperature be 14 DEG C at carry out cold forming 60s, be made composite layer, the composite layer with a thickness of 26mm；
First cotton layer 11: being coated on the outer surface of composite layer made from step A by step B, and the second cotton layer 16 is wrapped It is overlying on the inner surface of composite layer made from step A, the cup is made after hot pressing；
Step C: cup made from step B is clipped, natural corn cotton cup is made after sewing.
Embodiment 3
The difference of the present embodiment and above-described embodiment 1 is:
The zein fiber is made by polylactic acid master batch, and the polylactic acid master batch includes the raw material of following parts by weight:
The inorganic filler includes 5.2 parts of mica powders, 1.5 parts of aluminum oxides, 1.2 parts of calcium carbonate and 2.2 parts of cordierites Powder；The antistatic agent is by polyoxyethylene alkylamide, alkyl dicarboxyl methyl ammonium second lactone and the bis- (α-ethylol amine of alkyl Phosphate) it with weight ratio is the mixture that forms of 2.2:1:2.0.
The antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecyl and three (nonyl is for phenyl) Phosphite ester is with the mixture that weight ratio is that 2.2:1 is formed；The surfactant is by polyoxyethylene carboxylate and alkyl Phenol polyethenoxy ether is with the mixture that weight ratio is that 3.2:1 is formed.
The coupling agent is pyrophosphate titanate esters；The dispersion stabilizer is 2,5- di-tert-butyl hydroquinone；It is described The mixture that solvent is made of ethyl acetate, second alcohol and water with weight ratio for 1.5:2.2:1.
The polylactic acid is made by corn through microbial fermentation, the specific steps are as follows:
Step (1): corn stem, Maize Stem are crushed, and obtain maize raw material, and distilled water and culture solution is then added, The parts by weight mixed proportion for controlling maize raw material, distilled water and culture solution is 1:2.2:0.6, and corn mixing is made；
Step (2): taking Rhizopus oryzae spore, and distilled water be added, and control solid-liquid ratio is 1:8.5, and it is outstanding that Rhizopus oryzae spore is made Supernatant liquid；
Step (3): Rhizopus oryzae spore suspension made from step (2) is fixed on fixation support, immobilization is obtained Rhizopus oryzae seed；And immobilization Rhizopus oryzae seed is added to corn mixing made from step (1), and add fermented and cultured material, The parts by weight mixed proportion for controlling immobilization Rhizopus oryzae seed, corn mixing and fermented and cultured material is 1:16:1.6, is fixed Change fermentation, ferment 4.5 days at 28 DEG C, the fermentation material containing lactate is made；
Step (4): being added the sulfuric acid that mass fraction is 18% into step (3) fermentation material obtained containing lactate, The parts by weight mixed proportion for controlling sulfuric acid and the fermentation material containing lactate is 1:68, and 28min is stirred at 55 DEG C, is then carried out Filtering, obtains the mixed liquor containing lactic acid；
Step (5): chitosan is added into step (4) mixed liquor obtained containing lactic acid, adjusts pH to 6.2, control The parts by weight mixed proportion of chitosan and the mixed liquor containing lactic acid is 2.5:52, keeps the temperature 2.8h at 28 DEG C, flocculates while stirring, 2.1h is stood after flocculation takes supernatant to be centrifuged, and removal precipitating obtains centrifugate；
Step (6): centrifugate made from step (5) is extracted, active carbon filters, poly- cream is obtained after ion exchange Acid.
The zein fiber is made by following steps:
Polylactic acid, inorganic filler, coupling agent, dispersion stabilizer and solvent are stirred according to parts by weight, stirred evenly After add antistatic agent, antioxidant and surfactant, obtained mixture after being again stirring for uniformly；It then again will be obtained Mixture evaporation of solvent, and melt-blowing is carried out under conditions of temperature is 163 DEG C, it is cooled and shaped after spinneret, jade is made Rice fiber.
The natural corn cotton cup is made by following steps:
Step A: first corn cotton layer the 12, second corn cotton layer 13, glue stratum reticulare 14 and third corn cotton layer 15 are successively folded It puts, hot moulding 123s is carried out in the case where pressure is 5.2 atmospheric pressure, temperature is 162 DEG C, it is cooling, it is then 5.2 atmosphere in pressure Pressure, temperature be 15 DEG C at carry out cold forming 58s, be made composite layer, the composite layer with a thickness of 27mm；
First cotton layer 11: being coated on the outer surface of composite layer made from step A by step B, and the second cotton layer 16 is wrapped It is overlying on the inner surface of composite layer made from step A, the cup is made after hot pressing；
Step C: cup made from step B is clipped, natural corn cotton cup is made after sewing.
Embodiment 4
The difference of the present embodiment and above-described embodiment 1 is:
The zein fiber is made by polylactic acid master batch, and the polylactic acid master batch includes the raw material of following parts by weight:
The inorganic filler includes 5.5 parts of mica powders, 2 parts of aluminum oxides, 1.5 parts of calcium carbonate and 2.5 parts of cordierite powder； The antistatic agent is by polyoxyethylene alkylamide, alkyl dicarboxyl methyl ammonium second lactone and the bis- (α-ethylol amine phosphoric acid of alkyl Ester) it with weight ratio is the mixture that forms of 2.5.:1:2.1.
The antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecyl and three (nonyl is for phenyl) Phosphite ester is with the mixture that weight ratio is that 2.5:1 is formed；The surfactant is by polyoxyethylene carboxylate and alkyl Phenol polyethenoxy ether is with the mixture that weight ratio is that 3.5:1 is formed.
The coupling agent is anilinomethyl triethoxysilane；The dispersion stabilizer is 2,5- di-t-butyl to benzene two Phenol；The mixture that the solvent is made of ethyl acetate, second alcohol and water with weight ratio for 1.3:2.5:1.
The polylactic acid is made by corn through microbial fermentation, the specific steps are as follows:
Step (1): corn stem, Maize Stem are crushed, and obtain maize raw material, and distilled water and culture solution is then added, The parts by weight mixed proportion for controlling maize raw material, distilled water and culture solution is 1:2.5:0.8, and corn mixing is made；
Step (2): taking Rhizopus oryzae spore, and distilled water be added, and control solid-liquid ratio is 1:9, and Rhizopus oryzae spore suspension is made Liquid；
Step (3): Rhizopus oryzae spore suspension made from step (2) is fixed on fixation support, immobilization is obtained Rhizopus oryzae seed；And immobilization Rhizopus oryzae seed is added to corn mixing made from step (1), and add fermented and cultured material, The parts by weight mixed proportion for controlling immobilization Rhizopus oryzae seed, corn mixing and fermented and cultured material is 1:18:1.8, is fixed Change fermentation, ferment 4 days at 33 DEG C, the fermentation material containing lactate is made；
Step (4): being added the sulfuric acid that mass fraction is 20% into step (3) fermentation material obtained containing lactate, And the parts by weight mixed proportion for controlling sulfuric acid and the fermentation material containing lactate is 1:72, and 25min is stirred at 63 DEG C, then into Row filtering, obtains the mixed liquor containing lactic acid；
Step (5): chitosan is added into step (4) mixed liquor obtained containing lactic acid, adjusts pH to 6.5, control The parts by weight mixed proportion of chitosan and the mixed liquor containing lactic acid is 3:55, keeps the temperature 2.5h at 30 DEG C, flocculates while stirring, wads a quilt with cotton 2.2h is stood after solidifying takes supernatant to be centrifuged, and removal precipitating obtains centrifugate；
Step (6): centrifugate made from step (5) is extracted, active carbon filters, poly- cream is obtained after ion exchange Acid.
The zein fiber is made by following steps:
Polylactic acid, inorganic filler, coupling agent, dispersion stabilizer and solvent are stirred according to parts by weight, stirred evenly After add antistatic agent, antioxidant and surfactant, obtained mixture after being again stirring for uniformly；It then again will be obtained Mixture evaporation of solvent, and melt-blowing is carried out under conditions of temperature is 160 DEG C, it is cooled and shaped after spinneret, jade is made Rice fiber.
The natural corn cotton cup is made by following steps:
Step A: first corn cotton layer the 12, second corn cotton layer 13, glue stratum reticulare 14 and third corn cotton layer 15 are successively folded It puts, hot moulding 120s is carried out in the case where pressure is 5.5 atmospheric pressure, temperature is 165 DEG C, it is cooling, it is then 5.5 atmosphere in pressure Pressure, temperature be 16 DEG C at carry out cold forming 55s, be made composite layer, the composite layer with a thickness of 28mm；
First cotton layer 11: being coated on the outer surface of composite layer made from step A by step B, and the second cotton layer 16 is wrapped It is overlying on the inner surface of composite layer made from step A, the cup is made after hot pressing；
Step C: cup made from step B is clipped, natural corn cotton cup is made after sewing.
Embodiment 5
The difference of the present embodiment and above-described embodiment 1 is:
The zein fiber is made by polylactic acid master batch, and the polylactic acid master batch includes the raw material of following parts by weight:
The inorganic filler includes 5.8 parts of mica powders, 2.5 parts of aluminum oxides, 1.8 parts of calcium carbonate and 2.8 parts of cordierites Powder；The antistatic agent is by polyoxyethylene alkylamide, alkyl dicarboxyl methyl ammonium second lactone and the bis- (α-ethylol amine of alkyl Phosphate) it with weight ratio is the mixture that forms of 2.8:1:2.2.
The antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecyl and three (nonyl is for phenyl) Phosphite ester is with the mixture that weight ratio is that 2.8:1 is formed；The surfactant is by polyoxyethylene carboxylate and alkyl Phenol polyethenoxy ether is with the mixture that weight ratio is that 3.8:1 is formed.
The coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane；The dispersion stabilizer is 2- tert-butyl to benzene Diphenol；The mixture that the solvent is made of ethyl acetate, second alcohol and water with weight ratio for 1.2:2.8:1.
The polylactic acid is made by corn through microbial fermentation, the specific steps are as follows:
Step (1): corn stem, Maize Stem are crushed, and obtain maize raw material, and distilled water and culture solution is then added, The parts by weight mixed proportion for controlling maize raw material, distilled water and culture solution is 1:2.8:1, and corn mixing is made；
Step (2): taking Rhizopus oryzae spore, and distilled water be added, and control solid-liquid ratio is 1:9.5, and it is outstanding that Rhizopus oryzae spore is made Supernatant liquid；
Step (3): Rhizopus oryzae spore suspension made from step (2) is fixed on fixation support, immobilization is obtained Rhizopus oryzae seed；And immobilization Rhizopus oryzae seed is added to corn mixing made from step (1), and add fermented and cultured material, The parts by weight mixed proportion for controlling immobilization Rhizopus oryzae seed, corn mixing and fermented and cultured material is 1:19:1.9, is fixed Change fermentation, ferment 3.5 days at 37 DEG C, the fermentation material containing lactate is made；
Step (4): being added the sulfuric acid that mass fraction is 23% into step (3) fermentation material obtained containing lactate, And the parts by weight mixed proportion for controlling sulfuric acid and the fermentation material containing lactate is 1:76, and 22min is stirred at 66 DEG C, then into Row filtering, obtains the mixed liquor containing lactic acid；
Step (5): chitosan is added into step (4) mixed liquor obtained containing lactic acid, adjusts pH to 6.8, control The parts by weight mixed proportion of chitosan and the mixed liquor containing lactic acid is 3.5:58, keeps the temperature 2.2h at 32 DEG C, flocculates while stirring, 2.4h is stood after flocculation takes supernatant to be centrifuged, and removal precipitating obtains centrifugate；
Step (6): centrifugate made from step (5) is extracted, active carbon filters, poly- cream is obtained after ion exchange Acid.
The zein fiber is made by following steps:
Polylactic acid, inorganic filler, coupling agent, dispersion stabilizer and solvent are stirred according to parts by weight, stirred evenly After add antistatic agent, antioxidant and surfactant, obtained mixture after being again stirring for uniformly；It then again will be obtained Mixture evaporation of solvent, and melt-blowing is carried out under conditions of temperature is 158 DEG C, it is cooled and shaped after spinneret, jade is made Rice fiber.
The natural corn cotton cup is made by following steps:
Step A: first corn cotton layer the 12, second corn cotton layer 13, glue stratum reticulare 14 and third corn cotton layer 15 are successively folded It puts, hot moulding 118s is carried out in the case where pressure is 5.8 atmospheric pressure, temperature is 168 DEG C, it is cooling, it is then 5.8 atmosphere in pressure Pressure, temperature be 147 DEG C at carry out cold forming 52s, be made composite layer, the composite layer with a thickness of 29mm；
First cotton layer 11: being coated on the outer surface of composite layer made from step A by step B, and the second cotton layer 16 is wrapped It is overlying on the inner surface of composite layer made from step A, the cup is made after hot pressing；
Step C: cup made from step B is clipped, natural corn cotton cup is made after sewing.
Embodiment 6
The difference of the present embodiment and above-described embodiment 1 is:
The zein fiber is made by polylactic acid master batch, and the polylactic acid master batch includes the raw material of following parts by weight:
The inorganic filler includes 6 parts of mica powders, 3 parts of aluminum oxides, 2 parts of calcium carbonate and 3 parts of cordierite powder；It is described anti- Electrostatic agent be by polyoxyethylene alkylamide, alkyl dicarboxyl methyl ammonium second lactone and alkyl bis- (α-ethylol amine phosphate) with Weight ratio is the mixture of 3:1:2.4 composition.
The antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecyl and three (nonyl is for phenyl) Phosphite ester is with the mixture that weight ratio is that 3:1 is formed；The surfactant is by polyoxyethylene carboxylate and alkyl phenol Polyoxyethylene ether is with the mixture that weight ratio is that 4:1 is formed.
The coupling agent is pyrophosphate titanate esters；The dispersion stabilizer is hydroquinone；The solvent is by acetic acid Ethyl ester, second alcohol and water are with the mixture that weight ratio is that 1:3:1 is formed.
The polylactic acid is made by corn through microbial fermentation, the specific steps are as follows:
Step (1): corn stem, Maize Stem are crushed, and obtain maize raw material, and distilled water and culture solution is then added, The parts by weight mixed proportion for controlling maize raw material, distilled water and culture solution is 1:3:1.2, and corn mixing is made；
Step (2): taking Rhizopus oryzae spore, and distilled water be added, and control solid-liquid ratio is 1:8-10, and it is outstanding that Rhizopus oryzae spore is made Supernatant liquid；
Step (3): Rhizopus oryzae spore suspension made from step (2) is fixed on fixation support, immobilization is obtained Rhizopus oryzae seed；And immobilization Rhizopus oryzae seed is added to corn mixing made from step (1), and add fermented and cultured material, The parts by weight mixed proportion for controlling immobilization Rhizopus oryzae seed, corn mixing and fermented and cultured material is 1:20:2.0, is fixed Change fermentation, ferment 3 days at 40 DEG C, the fermentation material containing lactate is made；
Step (4): being added the sulfuric acid that mass fraction is 25% into step (3) fermentation material obtained containing lactate, And the parts by weight mixed proportion for controlling sulfuric acid and the fermentation material containing lactate is 1:80, and 20min is stirred at 70 DEG C, then into Row filtering, obtains the mixed liquor containing lactic acid；
Step (5): chitosan is added into step (4) mixed liquor obtained containing lactic acid, adjusts pH to 7, controls shell The parts by weight mixed proportion of glycan and the mixed liquor containing lactic acid is 4:60, keeps the temperature 2h at 35 DEG C, flocculates while stirring, flocculation knot 2.5h is stood after beam takes supernatant to be centrifuged, and removal precipitating obtains centrifugate；
Step (6): centrifugate made from step (5) is extracted, active carbon filters, poly- cream is obtained after ion exchange Acid.
The zein fiber is made by following steps:
Polylactic acid, inorganic filler, coupling agent, dispersion stabilizer and solvent are stirred according to parts by weight, stirred evenly After add antistatic agent, antioxidant and surfactant, obtained mixture after being again stirring for uniformly；It then again will be obtained Mixture evaporation of solvent, and melt-blowing is carried out under conditions of temperature is 155 DEG C, it is cooled and shaped after spinneret, jade is made Rice fiber.
The natural corn cotton cup is made by following steps:
Step A: first corn cotton layer the 12, second corn cotton layer 13, glue stratum reticulare 14 and third corn cotton layer 15 are successively folded Put, hot moulding 115s carried out in the case where pressure is 6 atmospheric pressure, temperature is 170 DEG C, it is cooling, then pressure be 6 atmospheric pressure, Temperature be 18 DEG C at carry out cold forming 50s, be made composite layer, the composite layer with a thickness of 30mm；
First cotton layer 11: being coated on the outer surface of composite layer made from step A by step B, and the second cotton layer 16 is wrapped It is overlying on the inner surface of composite layer made from step A, the cup is made after hot pressing；
Step C: cup made from step B is clipped, natural corn cotton cup is made after sewing.
Comparative example 1
This comparative example and the difference of above-described embodiment 1 are:
A kind of natural corn cotton cup, including symmetrically arranged two cups, the cup include being sequentially connected from outside to inside The first cotton layer, the first corn cotton layer, the second corn cotton layer, third corn cotton layer and the second cotton layer；First corn Cotton layer, the second corn cotton layer and third corn cotton layer are made of zein fiber weaving；The cup is set far from the side of heart There is hand push portion, the hand push portion is by the cotton layer compression molding of third corn.
First corn cotton layer with a thickness of 3.5-4.5mm, the second corn cotton layer with a thickness of 17-19mm, institute State third corn cotton layer with a thickness of 7.5-8.5mm, the thickness of first cotton layer and the second cotton layer is 0.8- 1.2mm。
One cup is equipped with the regulating part that several adjustment holes are formed with cup inner surface, another cover close to the inner surface of heart Cup is provided with connection strap close to the inner surface of heart, and the end of the connection strap is equipped with for being fastened and connected with the adjustment hole Clasp.
Comparative example 2
This comparative example and the difference of above-described embodiment 4 are:
The natural corn cotton cup is made by following steps:
Step (1): the first corn cotton layer, the second corn cotton layer, glue stratum reticulare and third corn cotton layer are successively stacked, pressed Power is 5.5 atmospheric pressure, temperature is progress hot moulding 120s at 165 DEG C, cooling, and composite layer, the thickness of the composite layer is made For 28mm；
First cotton layer: being coated on the outer surface of composite layer made from step (1) by step (2), by the second cotton layer packet It is overlying on the inner surface of composite layer made from step (1), the cup is made after hot pressing；
Step (3): cup made from step (2) is clipped, natural corn cotton cup is made after sewing.
Comparative example 3
This comparative example and the difference of above-described embodiment 4 are:
The zein fiber is made by commercially available polylactic acid master batch on the market, as U.S. NatureWorks is sold 4032D model polylactic acid.
Comparative example 4
This comparative example and the difference of above-described embodiment 4 are:
The zein fiber is made by following steps:
Polylactic acid, inorganic filler, coupling agent, dispersion stabilizer and solvent are stirred according to parts by weight, stirred evenly After add antistatic agent, antioxidant and surfactant, obtained mixture after being again stirring for uniformly；It then again will be obtained Mixture evaporation of solvent, and melt-blowing is carried out under conditions of temperature is 180 DEG C, it is cooled and shaped after spinneret, jade is made Rice fiber.
The cup of corn cotton made from above-described embodiment 2-6 and comparative example 1-2 is subjected to gas permeability, pliability, supportive, water-fast The test of the performances such as washing property, test method and result are as follows:
(1) permeability test
Test method: the inside of cotton cup is downward, and continuing spraying steam to the inside of cotton cup, (temperature of steam is on the inside of cotton cup 115 DEG C), the fast jogging speed of steam or droplet that observation cotton cup outside appears, and measure the vapor (steam) temperature in cotton cup outside.
(2) pliability is tested
Test method: using M508 swing type fabric softness tester to cotton made from embodiment 2-6 and comparative example 1-2 Cup carries out pliability test, and cotton cup is sandwiched in tester and can be had enough on the specimen holder of sample bar of swing, because preventing sample bar The pendulum loading increase of swing is bent sample, until sample leaves pendulum, measurement sample leaves power used when pendulum.
(3) supportive is tested
Test method: the cup of cotton made from embodiment 2-6 and comparative example 1-2 is carried out using LLY-01 type electronics hardometer Supportive test tests composite bending modulus when its bending deformation using at longitudinal line of cotton cup as cantilever beam.
(4) water-wash resistance is tested
Test method: impregnating 20-30min in the warm water that temperature is 35-40 DEG C while adding pH value cotton cup is 7.5- 8.5 liquid detergent carries out machine washing 10-15min after immersion, then natural air drying, this is a machine washing process；Repeatedly by cotton cup Deformation situation after carrying out 20-60 machine washing process, after examining cotton cup repeatedly to wash.
(5) test result
As above-mentioned data it is found that the cup of cotton made from embodiment 2-6 and comparative example 1, can be clearly apparent steam from the outer of cotton cup Side quickly escapes, and the temperature difference illustrates that the cotton cup gas permeability of embodiment 2-6 and comparative example 1 is good, under body temperature, wear less than 6 DEG C Do not generate feeling of oppression and heat, breathe freely comfortable；And the cup of cotton made from comparative example 2, nearly 20 DEG C of the vapor (steam) temperature difference of cotton cup two sides, explanation The cup gas permeability of cotton made from comparative example 2 is relatively weak, further illustrates cotton cup of the invention by using cold mould after first hot moulding The technique of pressure can make cotton cup stability obtained high, and internal breathable microporous stable structure improves the gas permeability and dress of cotton cup Comfort.
In terms of pliability, supportive, the cup of cotton made from embodiment 2-6 is soft, and support when wearing to chest Property it is preferable, have preferable support, gather effect；And cup softness of the feel compared with embodiment 2-6 of cotton made from comparative example 1, it is soft Degree is relatively slightly higher, but supportive is lower, is easily deformed, unsatisfactory to the support of chest and gather effect when wearing, and illustrates this The glue stratum reticulare used is invented, the flexibility of cotton cup is influenced less, soft comfortable, and the supportive of cotton cup can be effectively improved, no Easily there is the phenomenon that deformation, collapse glass；And comparative example 2 is only with the pliability and Deflection Modulus of Elasticity of the cup of corn cotton made from hot pressing It is decreased obviously compared to embodiment 2-6, illustrates that cotton cup of the invention by using the technique of cold forming after first hot moulding, can improve cotton The stability and supportive of cup, while its pliability is improved, improve the snugness of fit and support support effect of cotton cup.
In terms of water-wash resistance, the cup of cotton made from embodiment 2-6 does not occur deformation feelings still under 50 above-mentioned machine washing environment Condition, and then there is deformation, damaged phenomenon after washing 12 times and washing 15 times in the cotton of comparative example 1-2 cup, illustrates comparative example 1-2 Cotton cup water resistance it is poor, further illustrate the present invention by using glue stratum reticulare, on the one hand can improve cotton cup supportive, separately On the one hand the water-wash resistance of cotton cup can be significantly improved, is repeatedly unlikely to deform after washing, not cracky, and the present invention passes through first hot-die The technique of cold forming after pressure can effectively improve the stability and mouldability of cotton cup, stablize each layer of cotton cup first with hot moulding Bonding connection promotes forming stability then using cold forming cooling, is unlikely to deform or breaks after washing cotton cup obtained repeatedly Damage.
Zein fiber made from above-described embodiment 2-6 and comparative example 3-4 is subjected to fibre strength, elongation at break, fracture The test of the performances such as intensity, wearability, boiling water shrinkage, test method and result are as follows:
(1) wearability test
Fiber is fixed in the fixture on fixed bracket, and frame is to waiing upon on the disk that test material material is done.The fiber other end is outstanding 8g weight is hung, disk is rotated with the speed of 75m/min, and the part of fiber yarn and disk contact is worn, and is constantly ground Surface is gone to, until fiber attrition records fiber from the time begun to wear out to fracture to fracture.
(2) boiling water shrinkage
Fiber is placed in boiling in boiling water and boils 30min, tests the length before and after fiber boiling water treating, boiling water receipts are calculated Shrinkage.
(3) test result
As above-mentioned data it is found that zein fiber made from embodiment 2-6 have preferable fibre strength, elongation at break, The performances such as breaking strength, wearability, and boiling water shrinkage is low, filament contraction phenomenon is unobvious after boiling water treating, illustrates this hair Bright zein fiber intensity obtained is high, and stability is good, not easy to break, contraction.
Compared with Example 4, for the zein fiber of comparative example 1 using common commercially available polylactic acid raw material, corn obtained is fine Dimension intensity is significantly lower, and elongation at break, breaking strength and wearability are significantly reduced, and boiling water shrinkage is higher, at boiling water Fiber easy fracture is impaired after reason, further illustrates by using zein fiber made from polylactic acid master batch of the invention, can be effective The mechanical strength and stability of zein fiber are improved, hydrolysis resistance is strong, not easy to break after boiling water treating or contraction.
Compared with Example 5, the melt-blowing temperature in the melt-blowing technique of comparative example 2 is 180 DEG C, corn obtained The fibre strength of fiber, elongation at break, breaking strength and wearability are significantly lower, and boiling water shrinkage is higher, illustrates to compare 2 spinning temperature of example is excessively high so that polylactic acid raw material is decomposed at high temperature, reduces the mechanical strength and performance of zein fiber, Zein fiber mechanical performance obtained is lower, and fiber easy fracture is impaired after boiling water treating, and it is stringent to further illustrate that the present invention passes through The temperature of melt-blowing can make the mixing of the raw materials such as polylactic acid have preferable mobility, be easy to carry out spinning, and can make to be made Zein fiber it is elongated uniformly and intensity is high, excellent performance.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way, Do not depart under the premise of present inventive concept it is any obviously replace it is within the scope of the present invention.

Claims (10)

1. a kind of natural corn cotton cup, including symmetrically arranged two cups, it is characterised in that: the cup includes from outside to inside Sequentially connected first cotton layer, the first corn cotton layer, the second corn cotton layer, glue stratum reticulare, third corn cotton layer and the second cotton Layer；The first corn cotton layer, the second corn cotton layer and third corn cotton layer are made of zein fiber weaving；The cup is remote Side from heart is equipped with hand push portion, and the hand push portion is by the cotton layer compression molding of third corn.
2. a kind of natural corn cotton cup according to claim 1, it is characterised in that: the first corn cotton layer with a thickness of 3.5-4.5mm, the second corn cotton layer with a thickness of 17-19mm, the third corn cotton layer with a thickness of 7.5-8.5mm, The thickness of first cotton layer and the second cotton layer is 0.8-1.2mm, the glue stratum reticulare with a thickness of 1-2mm, the glue The mesh density of stratum reticulare is 28-32/cm2。
3. a kind of natural corn cotton cup according to claim 1, it is characterised in that: a cup is set close to the inner surface of heart There is the regulating part that several adjustment holes are formed with cup inner surface, another cup is provided with connection strap close to the inner surface of heart, The end of the connection strap is equipped with the clasp for being fastened and connected with the adjustment hole.
4. a kind of natural corn cotton cup according to claim 1, it is characterised in that: the zein fiber is by polylactic acid mother Grain is made, and the polylactic acid master batch includes the raw material of following parts by weight:
5. a kind of natural corn cotton cup according to claim 4, it is characterised in that: the inorganic filler includes 5-6 parts of clouds Female powder, 1-3 part aluminum oxide, 1-2 parts of calcium carbonate and 2-3 parts of cordierite powder；The antistatic agent is by polyxyethylated Amide, alkyl dicarboxyl methyl ammonium second lactone and alkyl bis- (α-ethylol amine phosphate) are with weight ratio for 2-3:1:1.8-2.4 group At mixture.
6. a kind of natural corn cotton cup according to claim 4, it is characterised in that: the antioxidant is β-(3,5- bis- Tert-butyl-hydroxy phenyl) propionic acid octadecyl and three (nonyl is for phenyl) phosphite esters with weight ratio are mixing of form of 2-3:1 Close object；The surfactant is made of polyoxyethylene carboxylate and alkyl phenol polyoxyethylene ether with weight ratio for 3-4:1 Mixture.
7. a kind of natural corn cotton cup according to claim 4, it is characterised in that: the coupling agent is three ethoxy of vinyl In base silane, anilinomethyl triethoxysilane, pyrophosphate titanate esters and vinyl three ('beta '-methoxy ethyoxyl) silane It is at least one；The dispersion stabilizer is 2,5- di-tert-butyl hydroquinone, p-hydroxyanisole, hydroquinone and 2- tert-butyl At least one of hydroquinone；The solvent is what 1-1.5:2-3:1 was formed with weight ratio by ethyl acetate, second alcohol and water Mixture.
8. a kind of natural corn cotton cup according to claim 4, it is characterised in that: the polylactic acid is by corn through microorganism Fermentation is made, the specific steps are as follows:
Step (1): corn stem, Maize Stem are crushed, and obtain maize raw material, and distilled water and culture solution, control is then added The parts by weight mixed proportion of maize raw material, distilled water and culture solution is 1:2-3:0.4-1.2, and corn mixing is made；
Step (2): taking Rhizopus oryzae spore, and distilled water be added, and control solid-liquid ratio is 1:8-10, and Rhizopus oryzae spore suspension is made Liquid；
Step (3): Rhizopus oryzae spore suspension made from step (2) is fixed on fixation support, immobilization rice root is obtained Mould seed；And immobilization Rhizopus oryzae seed is added to corn mixing made from step (1), and add fermented and cultured material, it controls The parts by weight mixed proportion of immobilization Rhizopus oryzae seed, corn mixing and fermented and cultured material is 1:15-20:1.5-2.0, consolidate Fixedization fermentation, ferments 3-5 days at 25-40 DEG C, and the fermentation material containing lactate is made；
Step (4): the sulfuric acid that mass fraction is 15-25% being added into step (3) fermentation material obtained containing lactate, and The parts by weight mixed proportion for controlling sulfuric acid and the fermentation material containing lactate is 1:65-80, stirs 20- at 55-70 DEG C Then 30min is filtered, obtain the mixed liquor containing lactic acid；
Step (5): being added chitosan into step (4) mixed liquor obtained containing lactic acid, adjusts pH to 6-7, and control shell is poly- The parts by weight mixed proportion of sugar and the mixed liquor containing lactic acid is 2-4:50-60, keeps the temperature 2-3h at 25-35 DEG C, wads a quilt with cotton while stirring It is solidifying, 2-2.5h being stood after flocculation, supernatant being taken to be centrifuged, removal precipitating obtains centrifugate；
Step (6): centrifugate made from step (5) is extracted, active carbon filters, obtains polylactic acid after ion exchange.
9. a kind of natural corn cotton cup according to claim 4, it is characterised in that: the zein fiber is by following steps system :
Polylactic acid, inorganic filler, coupling agent, dispersion stabilizer and solvent are stirred according to parts by weight, after mixing evenly again Antistatic agent, antioxidant and surfactant is added, obtained mixture after being again stirring for uniformly；Then again by mixing obtained Expect evaporation of solvent, and carry out melt-blowing under conditions of temperature is 155-165 DEG C, is cooled and shaped after spinneret, jade is made Rice fiber.
10. a kind of natural corn cotton cup according to claim 1, it is characterised in that: it is characterized by: the natural corn Cotton cup is made by following steps:
Step A: the first corn cotton layer, the second corn cotton layer, glue stratum reticulare and third corn cotton layer are successively stacked, are 5- in pressure 6 atmospheric pressure, temperature are that hot moulding 115-125s is carried out at 160-170 DEG C, cooling, are then 5-6 atmospheric pressure, temperature in pressure Composite layer is made to carry out cold forming 50-60s at 14-18 DEG C in degree, the composite layer with a thickness of 26-30mm；
First cotton layer: being coated on the outer surface of composite layer made from step A by step B, and the second cotton layer is coated on step A The cup is made in the inner surface of composite layer obtained after hot pressing；
Step C: cup made from step B is clipped, natural corn cotton cup is made after sewing.
CN201811543818.2A 2018-12-17 2018-12-17 Natural corn cotton cup Active CN109662356B (en)

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CN112790448A (en) * 2021-01-26 2021-05-14 佛山市金婷服饰有限公司 Manufacturing process of degradable nipple (PLA) underwear mold cup
WO2022198272A1 (en) * 2021-03-23 2022-09-29 Modibodi Australia Pty Ltd A moisture management bra

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