CN106496673B - A kind of latex brassiere mold cup - Google Patents
A kind of latex brassiere mold cup Download PDFInfo
- Publication number
- CN106496673B CN106496673B CN201610936179.0A CN201610936179A CN106496673B CN 106496673 B CN106496673 B CN 106496673B CN 201610936179 A CN201610936179 A CN 201610936179A CN 106496673 B CN106496673 B CN 106496673B
- Authority
- CN
- China
- Prior art keywords
- rubber
- natural emulsion
- synthetic rubber
- latex
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
- C08L7/02—Latex
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41C—CORSETS; BRASSIERES
- A41C3/00—Brassieres
- A41C3/12—Component parts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of latex brassiere mold cup, is prepared by natural emulsion and synthetic rubber；The weight average molecular weight of the natural emulsion is 45,000 70000；The weight average molecular weight of the synthetic rubber is 30,000 150000；It has nonpolar synthetic rubber very strong compatibility, and plasticity retention percentage is high, excellent in mechanical performance, almost without allergic reaction.
Description
Technical field
The present invention relates to natural emulsion field, the brassiere mold cup being more particularly to prepared by natural emulsion is more specific
Ground is related to the brassiere being prepared by natural emulsion.
Technical background
Natural emulsion is the product of para ruber secretion, is a kind of high polymer water-based colloid system of biosynthesis, with
Natural materials based on poly- cis-1,4-isoprene.Natural emulsion intensity is high, good film-forming property, and product elasticity is big, and creep is small,
It has been widely used in various fields of recent life.But the protein containing 1-4% in natural emulsion, this proteinoid can be adsorbed in rubber
The surface of micelle can so that rubber is easily mouldy, while this proteinoid can become anaphylactogen, cause allergic reaction.
Meanwhile in the manufacturing process of natural latex products, surface can generate viscosity, not easy to be processed and use.
Synthetic rubber is by artificial synthesized strong flexible polymer, also referred to as synthetic elastomer, is one of three big synthetic materials.
The performance for having a small number of kinds in synthetic rubber is similar to natural rubber, most of different from natural rubber；And synthetic rubber is general
Not as good as natural rubber is comprehensive, but it has the property such as high resiliency, insulating properties, air-tightness, oil resistant, high temperature resistant or low temperature in performance
Can, these performances are that natural rubber can not match in excellence or beauty.Therefore, natural emulsion and synthetic rubber are blended to make up the shortcomings that mutual
It is a kind of trend.
But since respective nature difference causes compatibility between the two to have differences, while the allergy of natural emulsion
Property causes the product of natural emulsion and synthetic rubber to need further to improve.And natural emulsion is led by its advantage in brassiere
Domain has very strong advantage.The design of brassiere mold cup be brassiere design emphasis, brassiere mold cup design in model, material, pressure
The factors such as power, radian affect udder health, the comfort of brassiere, fitness, plastomer aesthetic feeling etc..
In view of the above-mentioned problems, the present invention provides a kind of latex brassiere mold cup, it is prepared by natural emulsion and synthetic rubber
It arrives.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of latex brassiere mold cup, it is prepared by natural emulsion and synthetic rubber
It arrives.
As one embodiment of the present invention, the weight average molecular weight of the natural emulsion is 45000-70000.
As one embodiment of the present invention, the weight average molecular weight of the synthetic rubber is 30000-150000.
As one embodiment of the present invention, the substance in the natural emulsion and formula (1) carries out at 70-130 DEG C
Pretreatment；The structural formula of the formula (1) is as follows：
Wherein, the R1、R2、R3And R4In at least there are two be selected from polar group；The n+o<M+p, and p is maximum
Number.
Natural emulsion and formula (1) substance is are stirred by the step of pretreatment in a solvent.
As one embodiment of the present invention, the polar group is selected from carboxylic acid group, sulfonic group, aldehyde radical, hydroxyl, ammonia
One kind in base, ester group.
As one embodiment of the present invention, the natural emulsion and formula (1) carry out 0.2-6 hours at 70-130 DEG C
Pretreatment.
As one embodiment of the present invention, the natural emulsion and formula (1) carry out 0.5-4 hours at 85-110 DEG C
Pretreatment.
As one embodiment of the present invention, the weight ratio of the natural emulsion and formula (1) is 10：(0.01-2).
As one embodiment of the present invention, the weight ratio of the natural emulsion and synthetic rubber is 10：(1-3).
As one embodiment of the present invention, the synthetic rubber is non-polar rubber.
The second aspect of the present invention provides the purposes of above-mentioned latex mold cup, is used to prepare brassiere.
The third aspect of the present invention provides a kind of latex brassiere, and it includes above-mentioned latex mold cups.
Specific embodiment
The detailed description for preferred implementation method of the invention below of participating in the election of and including embodiment this hair can be more easily understood
Bright content.Unless otherwise defined, all technologies used herein and scientific terminology have common with fields of the present invention
The normally understood identical meaning of technical staff.When there is a conflict, the definition in this specification shall prevail.
As used herein term " by ... prepare " it is synonymous with "comprising".Term "comprising" used herein, " comprising ",
" having ", " containing " or its any other deformation, it is intended that cover including for non-exclusionism.For example, the combination comprising listed elements
Object, step, method, product or device are not necessarily limited to those elements, but can include not expressly listed other elements or
Such composition, step, method, product or the intrinsic element of device.
Conjunction " Consists of " excludes any element do not pointed out, step or component.If in claim, this
Phrase will make claim be closed, it be made not include the material in addition to the material of those descriptions, but relative normal
Except rule impurity.When being rather than immediately following after theme in the clause that phrase " Consists of " appears in claim main body,
It is only limited to the element described in the clause；Other elements are not excluded except the claim as a whole.
Equivalent, concentration or other values or parameter are excellent with range, preferred scope or a series of upper limit preferred values and lower limit
During the Range Representation that choosing value limits, this, which should be understood as, specifically discloses by any range limit or preferred value and any range
All ranges that any pairing of lower limit or preferred value is formed, regardless of whether the range separately discloses.For example, when open
During range " 1 to 5 ", described range should be interpreted as including range " 1 to 4 ", " 1 to 3 ", " 1 to 2 ", " 1 to 2 and 4 to
5 ", " 1 to 3 and 5 " etc..When numberical range is described herein, unless otherwise stated, otherwise range intention includes its end
Value and all integers and score in the range.
Singulative includes plural number and object is discussed, unless the context clearly dictates otherwise." optional " or it is " arbitrary
It is a kind of " refer to that the item described thereafter or event may or may not occur, and the description include situation that event occurs and
The situation that event does not occur.
Approximate term in specification and claims is used for modifying quantity, represents specific the present invention is not limited to this
Quantity further includes the modified part of the acceptable change without lead to related basic function close to the quantity.Phase
It answers, modifies a numerical value with " about ", " about " etc., mean that the present invention is not limited to the exact numericals.In some examples, it is approximate
Term likely corresponds to the precision of the instrument of measured value.In present specification and claims, range limits can be with
It combines and/or exchanges, these ranges include all subranges contained therebetween if not stated otherwise.
In addition, indefinite article " one kind " before element of the present invention or component and "one" quantitative requirement to element or component
(i.e. occurrence number) unrestriction.Therefore "one" or " one kind " should be read as including one or at least one, and odd number
The element or component of form also include plural form, unless the apparent purport of the quantity refers to singulative.
" polymer " means through the polymerizable compound prepared by the monomer that polymerize identical or different type.Generic term
" polymer " includes term " homopolymer ", " copolymer ", " terpolymer " and " copolymer ".
" copolymer " means the polymer prepared by polymerizeing at least two different monomers.Generic term " copolymer " includes
(it is general with term " terpolymer " for term " copolymer " (its generally to refer to the polymer prepared by two kinds of different monomers)
To refer to the polymer prepared by three kinds of different monomers).It also includes the polymerization manufactured by polymerizeing four or more kind monomers
Object." blend " means that two or more polymer mixes the polymerization to be formed by physics or chemical method jointly
Object.
The present invention provides a kind of latex brassiere mold cup, is prepared by natural emulsion and synthetic rubber.
Brassiere
Breast is uniquely where the glamour of the organ of skeletal support and feminine charm, it is not by breast on female body
Gland, fat and skin composition, size moulding vary with each individual.Modern female can make double breasts reduce gravity by brassiere to be caused
Sagging influence, mould fine figure.Therefore, brassiere will also bear the double breasts of pop-up when wearing and adjust the work(of its moulding
Energy.The brassiere clothing the most personal for women, brassiere also have decoration concurrently other than playing the role of " covering " breast and protection breast
With the effect of beautification chest, consumer requires the quality of brassiere product, level of comfort, healthy and beautiful etc. more and more.
The cup part of brassiere is to contain and support breast, directly act on that female chest, to mould female chest type most direct
Part, therefore, the design of brassiere mold cup is that the emphasis of brassiere design, the various factors in mold cup design and combinations thereof influences text
Pressure size, pressure distribution when chest is worn, and then affect udder health, the comfort of brassiere, fitness, plastomer aesthetic feeling
Deng.The mold cup part of brassiere is containing and support breast, directly acts on female chest, adapts to breast shaking, complies with skin
The most direct part of female chest type is moulded in strain and sliding, plays very important effect.
Mold cup type brassiere
Brassiere at this stage is broadly divided into clip bowl type brassiere and mold cup type brassiere.Mold cup type brassiere is exactly by plastic material
Final brassiere is being processed by subsequent technique by the hot-forming cup for being processed into brassiere of high temperature and pressure or entirety
Finished product.Mold cup type brassiere will pass through calculating during the Design of digital to final hot-forming processing and manufacturing of mold cup
The Exact calculation of machine.Meanwhile mold cup type brassiere because its good aesthetics and it is functional welcome extensively by current Underwear market,
It can not only support and protect the breast of women, concussion to breast when avoiding exterior injury and activity, even more important
It is that it can effectively prevent mastoptosis and extends out, so as to mould good breast shape, increases the self-confidence of women.
Brassiere generally comprises cup, shoulder belt, shoulder strap, and the cup lower edge is connected with bottom sheet, the cup include outer lining,
Mold cup and liner layer and support bar.
In the present invention, the mold cup is prepared by natural emulsion.
Modified natural emulsion
Natural emulsion is a kind of milky white liquid of appearance as milk.Natural emulsion industrially is essentially from Brazilian rubber
Gum tree.Natural emulsion is by rubber hydrocarbon, protein, lipids, the hydrotrope, ash content, inorganic salts, water, inorganic salts and few
The ribonucleic acid and thiol class substance of amount.Most of latex particles are spherical, and there are also the latex particles on rubber tree to be
Pyriform, the grain size of latex particle is about distributed in 15nm-3 μm, and latex particle internal layer for content 94% or so it is cis-
Isosorbide-5-Nitrae-polyisoprene rubber hydrocarbon, the outer layer of latex particle are coated by substances such as protein phosphatide that content is about 6%.Naturally
Branching reaction and cross-linking reaction easily occur for hydrocarbons and protein in latex.
Total solids content is generally in 20-40% in natural emulsion；Its relative density is in 0.96-0.98, the phase of fresh latex
It is to be codetermined by the relative density of whey and the relative density of rubber hydrocarbon to density；The viscosity of natural emulsion is about 12-
15mPas (solid content 35%)；Its surface tension is about 38-40mN/m (solid content 38-40%).
Although natural emulsion with green non-pollution, with good biological degradability, and its with intensity height, film forming
Good, product elasticity is big, and the advantages such as creep is small have been widely used in various fields of recent life.But the generally existing in natural emulsion
The protein that human allergy is caused to react, the reason is that in the product of manufacture natural emulsion, protein can be migrated to product
Surface, exactly this migrate to the protein of product surface and can cause allergic reaction.
The polyisoprene that natural emulsion, i.e. para-caoutchouc generate is cis- Isosorbide-5-Nitrae-polyisoprene, and in gutta-percha, also
It is mainly trans- 1,4- polyisoprene in Ba Lata glue to be.Both cis- 1,4- polyisoprene and trans- 1,4- polyisoprene
The configuration of strand is completely contradicted.Under room temperature, cis- Isosorbide-5-Nitrae-polyisoprene is soft elastomer, and trans- Isosorbide-5-Nitrae-poly- isoamyl two
Alkene then has the Crystalline plastics of high rigidity and high tensile.
As one embodiment of the present invention, the weight average molecular weight of heretofore described natural emulsion is 45000-
70000, more preferably 50000-65000.
Weight average molecular weight is based on gel permeation chromatography (hreinafter referred to as " GPC ".) measure and carry out polystyrene and change
Value after calculation.The determination condition of GPC uses the condition test of this field routine, tests to obtain for example, following modes can be used.
Column：Following columns are connected in series with and are used.
" TSKgelG5000 " (7.8mmI.D. × 30cm) × 1 piece
" TSKgelG4000 " (7.8mmI.D. × 30cm) × 1 piece
" TSKgelG3000 " (7.8mmI.D. × 30cm) × 1 piece
" TSKgelG2000 " (7.8mmI.D. × 30cm) × 1 piece
Detector：RI (differential refractometer)；Column temperature：40℃；Eluent：Tetrahydrofuran (THF)；Flow velocity：1.0mL/ point
Clock；Injection rate：100 μ L (tetrahydrofuran solution of sample solution concentration 4mg/mL)；Standard sample：Use following monodisperse polystyrenes
Alkene makes standard curve.
In the present invention, by pretreatment, the step of pretreatment is for the natural emulsion：
1st, natural rubber, absolute ethyl alcohol and polyphosphoric acids are blended, the substance shown in formula (1) is added in mixed liquor,
Ultrasound 0.5-2 hours at room temperature；
2nd, the mixed liquor in step 1 is centrifuged, is washed 3-5 times with absolute ethyl alcohol, dried；
3rd, the dried object in step 2 and deionized water being blended, heating temperature is to 70-130 DEG C, after stirring 0.2-6 hours,
Rapid be put into ice water cools down, and centrifuges, dries.
As one embodiment of the present invention, the natural emulsion and formula (1) carry out 0.2-6 hours at 70-130 DEG C
Pretreatment.
As one embodiment of the present invention, the natural emulsion and formula (1) carry out 0.5-4 hours at 85-110 DEG C
Pretreatment.
As one embodiment of the present invention, the heating temperature is preferably 70-75 DEG C, 100-105 DEG C, 110-115
℃。
As one embodiment of the present invention, the mixing time is 0.2-0.5h, 1-1.5h, 5-5.5h.
The structural formula of substance is as follows shown in the formula (1)：
Wherein, the R1、R2、R3And R4In at least there are two be selected from polar group；The n+o<M+p, and p is maximum
Number.
As one embodiment of the present invention, the weight average molecular weight of the formula (1) is preferably 150000-320000.
As one embodiment of the present invention, the n:o:m:P=1:1:(5-8):(10-20), more preferably n:
o:m:P=1:1:7:15.
The one kind of heretofore described polar group in carboxylic acid group, sulfonic group, aldehyde radical, hydroxyl, amino, ester group.
As a kind of preferred embodiment of the present invention, the polar group is selected from aldehyde radical, amino and hydroxyl.
As a kind of more preferred mode of the present invention, the polar group is selected from aldehyde radical.
In the present invention, the content of the aldehyde radical is 100-350 μm of ol/g, more further preferably 150-250 μm of ol/g.
The qualitative analysis of aldehyde radical：Aldehyde radical that can be to be formed in qualitative analysis formula (1) using Fourier infrared spectrum analyzer.
The quantitative analysis of aldehyde radical：1st, hydroxyamine hydrochloride；2nd, ultraviolet spectrophotometer method；3rd, nitrogen content transformation approach；4th, carboxyl
Content conversion method.
In the present invention, the measure mechanism of the aldehyde group content：It is raw with hydroxylamine hydrochloride-methanol solution and aldehyde radical quantitative reaction
Into schiff bases, hydrochloric acid is released, the hydrochloric acid released is titrated again with sodium hydroxide-methanol solution determines that oxidation is fine come final
Aldehyde group content in dimension element.
Assay method：Hydroxylamine hydrochloride-the methanol solution and 8 drops that 50mL mass concentrations are 20g/L are added in 250mL beakers
Thymol blue indicator, at this time solution yellow should be presented, otherwise drop to solution using 0.03mol/L sodium hydrate methanol solutions
In yellow, the volume of sodium hydroxide solution used is disregarded；Then sample is added in into small beaker, is placed on magnetic stirrer fully
Agitation, starts simultaneously at timing, if sample contains aldehyde radical, solution can be immediately turned into mild red, after reacting 10min, use immediately
0.03mol/L sodium hydrate methanol solutions titrate, until yellow is presented in solution, and does not take off in 30s and become pink, otherwise should
Continue to titrate.The calculating formula of aldehyde group content is as follows：
In formula：H is aldehyde group content, is represented with a μm ol/g over dry, and X is the body of sodium hydroxide-methanol solution of 0.03mol/L
Product, is represented with mL.W is the oven-dry weight of formula (1), is represented with g.
Synthetic rubber
Synthetic rubber is a kind of synthesis, the high-molecular compound for being in elastomeric state (rubbery state) at normal temperatures, by monomer
It is aggregated reaction and obtain.Identical with natural rubber is one kind of elastomer, also known as artificial rubber.Raw material is easy to get, and can give birth on a large scale
Production, and do not limited by geographical conditions.There are olefines, alkadiene and element organic by chemical constitution, wherein mainly there is butylbenzene
Rubber, nitrile rubber, neoprene, butyl rubber, dipropyl rubber, polysulfide rubber, lactoprene, polyurethanes
Rubber, silicon rubber, fluorubber, cis-polybutadiene rubber and cis-polyisoprene rubber etc., performance is because of monomer and manufacture
Technique is different and different.Certain synthetic rubber have the spies such as heatproof, wear-resisting, ageing-resistant, the corrosion-resistant, oil resistant of bigger compared with natural rubber
Property, such as polysulfide rubber oil resistant；Silicon rubber, fluorubber are heat-resisting, resistant to chemical etching.It is similar to natural rubber, processed forming and sulphur
Change can be made into various rubbers.Vulcanizing agent is usually based on sulphur, it is possible to use tetrachloroquinone, zinc oxide, aluminium oxide, peroxide
Change benzoyl etc., tetrachloroquinone has high poison, it should be noted that protection.
There are many sorting technique of synthetic rubber.It can be divided into general purpose rubber and specific rubber by characteristic is used.Universal conjunction
Partly or entirely natural rubber can be replaced to use into rubber；Specific rubber has property, such as high temperature resistant, oil resistant, ageing-resistant
Deng.It can be divided into thermoplastic elastomer and vulcanizable rubber by rubber forming process.It can be divided into liquid rubber by finished product state, consolidate
Body rubber, latex and powdered rubber etc..
The principal item of general purpose synthetic rubber has butadiene-styrene rubber (butadiene and styrene copolymerisation obtain), butadiene rubber
(polymerizing butadiene obtains), butyl rubber (isobutene closes to obtain with a small amount of isoprene copolymer), (isoprene gathers isoprene rubber
Conjunction obtains), EP rubbers (ethylene and copolymerization of propylene obtain), neoprene (chlorobutylene polymerize to obtain), nitrile rubber (fourth two
Alkene and copolymerization of acrylonitrile obtain).
Either natural or synthesis raw rubber, though there is good elasticity, all without enough intensity, it is necessary to pass through
Processing could use.Process includes plasticating, being kneaded, being molded, vulcanize：1. it plasticates：Raw rubber can be made to reduce elasticity, increased
Add plasticity.This step is essential to natural rubber；The raw rubber of some synthetic rubber has a degree of plasticity in itself,
It can directly be kneaded.2. it is kneaded：Be under mechanical action, make vulcanizing agent (sulphur etc.), vulcanization accelerator, kicker, anti-aging agent,
The compounding agents such as reinforcing agent (common carbon black), filler (calcium carbonate, magnesium carbonate etc.), colorant and rubber are uniformly mixed into sizing material.
3. it is molded：Variously-shaped and size sizing material semi-finished product are attached to one from the textile material of leaching, gluing by the different requirements of kind
It rises, the semi-finished product of vulcanization is made.4. vulcanize：Molded product forms the process of build reticular structure under certain temperature and pressure,
Its result makes product lose plasticity, obtains high resiliency.The mechanism of vulcanization, different, the rubber due to chemical constitution and vulcanizing agent of raw rubber
Raw rubber containing C=C in molecular structure, common sulphur make vulcanizing agent, due to forming sulphur bridge (single sulphur or more sulphur) in sulfidation
Make macromolecules cross-linking adult form reticular structure.For saturation bibasic ethylene propylene rubber, using peroxide (such as benzoyl peroxide)
Wait unvulcaniseds agent.Contain the raw rubber of certain function bases in molecule, can sulphur be done using appropriate compound according to the property of function base
Agent is allowed to vulcanize.
In the present invention, the synthetic rubber is polar rubber；The polar rubber can be nitrile rubber, neoprene,
Epichlorohydrin rubber, polyurethane rubber, acrylic rubber (ethyl acrylateand chloroethyl vinyl ether copolymer), epoxidation day
T PNR etc..
Epichlorohydrin rubber can be enumerated：The homopolymer (CO) of epichlorohydrin, epichlorohydrin-ethylene oxide bipolymer (ECO),
Epichlorohydrin-allyl glycidyl ether bipolymer (GCO), epichlorohydrin-ethylene oxide-allyl glycidyl ether ternary are total to
Polymers (GECO) etc..
Polyurethane rubber can be enumerated：Intramolecular has the polyether types of polyurethane rubber of ehter bond.Polyether types of polyurethane rubber
There can be polyethers and the diisocyanate of hydroxyl to react to manufacture by two ends.Polyethers is not particularly limited, Ke Yilie
Lift polyethylene glycol, polypropylene glycol etc..Diisocyanate is not particularly limited, and can enumerate toluene di-isocyanate(TDI), diphenylmethyl
Alkane diisocyanate etc..
As one embodiment of the present invention, the synthetic rubber is non-polar rubber.The non-polar rubber can be with
It is one or more in EPDM, butadiene-styrene rubber, butyl rubber, butadiene rubber.
As one embodiment of the present invention, the weight average molecular weight of the synthetic rubber is preferably 30000-150000.
As a kind of preferred embodiment of the present invention, the weight average molecular weight of the synthetic rubber is preferably 50000-100000.
As one embodiment of the present invention, the weight ratio of the natural emulsion and synthetic rubber is 10：(1-3)；More
Add further preferably 10：2.
The preparation process of heretofore described natural emulsion and synthetic rubber is：
1st, natural emulsion is mixed pretreated natural emulsion according to weight ratio and synthetic rubber after pretreatment
It closes, adds in sulphur or vulcanization accelerator etc., stirring makes it obtain natural emulsion and synthetic rubber latex after being sufficiently mixed.
2nd, above-mentioned natural emulsion and synthetic rubber latex are introduced into mold, mold is sent into the steaming that temperature is 70-110 DEG C
Vulcanization or curing occur under the action of heating power, then takes out mold from vaporium for steam chest, remove latex block, clean, dry, into
Row is cut into, and latex brassiere mold cup is made.
The vulcanization accelerator can be selected from sulfenyl amine system vulcanization accelerator, guanidine system vulcanization accelerator, thiazoles, sulphonyl
Ammonia, thiurams, dithiocarbamates etc..
Preferably, latex product can be also dipped article in the present invention, sponge product, extruded article, molded article or knit
Make product.Further, the sponge product includes pillow, mattress, cushion, back cushion, sofa, waist support, insole, brassiere, vapour
Vehicle seat is ridden, toilet seat pad, brassiere mold cup, brassiere or hand warmer.
The second aspect of the present invention provides the purposes of above-mentioned natural emulsion mold cup, is used to prepare brassiere.
The third aspect of the present invention provides a kind of natural emulsion brassiere, and it includes above-mentioned natural emulsion mold cups.
Mechanism：
Present inventor is found surprisingly that, by pretreated natural emulsion with synthetic rubber compatibility,
Antianaphylaxis and resistance to ag(e)ing increase.Meanwhile inventor also found under different temperatures and different time processing, select
Specific polar group can have especially excellent compatibility and resistance to ag(e)ing with the synthetic rubber of specific weight average molecular weight.It may
The reason of natural emulsion and formula (1) substance short texture at high temperature when being by pretreatment, attract each other, wind；Rapidly
Cooling processing after, then with synthetic rubber be blended, due to the presence of polar group, improve compatibility, while improve product
Compactness in this way can protect protein in natural emulsion, and Maillard reaction occurs, so as to inhibit albumen
It overflows, so as to reduce its allergy characteristic.
Embodiment 1：Embodiment 1 provides a kind of latex brassiere mold cup, is prepared by natural emulsion and synthetic rubber
It arrives.
Embodiment 2：Latex brassiere mold cup as tdescribed in embodiment 1, the weight average molecular weight of the natural emulsion are
45000-70000。
Embodiment 3：Latex brassiere mold cup as tdescribed in embodiment 1, the weight average molecular weight of the synthetic rubber are
30000-150000。
Embodiment 4：Substance shown in latex brassiere mold cup as tdescribed in embodiment 1, the natural emulsion and formula (1)
It is pre-processed at 70-130 DEG C；The structural formula of the formula (1) is as follows：
Wherein, the R1、R2、R3And R4In at least there are two be selected from polar group；The n+o<M+p, and p is maximum
Number.
Natural emulsion and formula (1) substance is are stirred by the step of pretreatment in a solvent.
Embodiment 5：Latex brassiere mold cup as described in embodiment 4, the polar group are selected from carboxylic acid group, sulfonic acid
One kind in base, aldehyde radical, hydroxyl, amino, ester group.
Embodiment 6：Latex brassiere mold cup as described in embodiment 4, the natural emulsion and formula (1) are at 70-130 DEG C
The lower pretreatment for carrying out 0.2-6 hours.
Embodiment 7：Latex brassiere mold cup as described in embodiment 4, the natural emulsion and formula (1) are at 85-110 DEG C
The lower pretreatment for carrying out 0.5-4 hours.
Embodiment 8：The weight ratio of latex brassiere mold cup as described in embodiment 4, the natural emulsion and formula (1) is
10：(0.01-2).
Embodiment 9：The weight of latex brassiere mold cup as described in embodiment 4, the natural emulsion and synthetic rubber
Than being 10：(1-3).
Embodiment 10：Latex brassiere mold cup as tdescribed in embodiment 1, the synthetic rubber are non-polar rubber.
Embodiment 11：Embodiment 11 provides the purposes of above-mentioned latex mold cup, is used to prepare brassiere.
Embodiment 12：Embodiment 12 provides a kind of latex brassiere, and it includes above-mentioned latex mold cups.
The present invention is specifically described below by embodiment.It is necessarily pointed out that following embodiment is only used
In the invention will be further described, it is impossible to be interpreted as limiting the scope of the invention, professional and technical personnel in the field
Some the nonessential modifications and adaptations made according to the content of the invention described above, still fall within protection scope of the present invention.
If it is raw materials used to be all commercially available in addition, without other explanations, and number used in following material would be weight
Part.
Embodiment 1：Embodiment 1 provides a kind of latex brassiere mold cup, is prepared by natural emulsion and synthetic rubber；Institute
It is 60000 to state the weight average molecular weight of natural emulsion, and the weight average molecular weight of the synthetic rubber is 100000, the natural emulsion and
The weight ratio of synthetic rubber is 10：1.8.
By pretreatment, the step of pretreatment is for the natural emulsion：
1st, 1 parts by weight of natural rubber, 10 parts by weight absolute ethyl alcohols and 0.1 parts by weight polyphosphoric acids are blended, in mixed liquor
Substance shown in middle addition formula (1), it is 1.2 hours ultrasonic at room temperature；
2nd, the mixed liquor in step 1 is centrifuged, is washed 5 times with absolute ethyl alcohol, dried；
3rd, the dried object in step 2 and deionized water are blended, heating temperature is to 103 DEG C, after stirring 0.3 hour, rapidly
It is put into ice water and cools down, centrifuge, dry.
The structural formula of formula (1) substance is as follows：
The R1、R3For methyl, R2For hydroxyl, R4For aldehyde radical, and the weight average molecular weight of formula (1) is 200000, the n:o:
m:P=1:1:7:15.
The formula (1) is with one methoxy silane of trimethyl, one chlorine of monomethyl monohydroxy, one methoxy silane, one aldehyde of monomethyl
One chlorine of base, one methoxy silane, one methoxyl group of dimethyl, one chlorosilane is prepare raw material, according to above-mentioned n:o:m:P=1:1:7:15
It is raw material ratio, is prepared, the specific steps are：In 200 parts of n,N-Dimethylformamide, raising temperature is added in 170 DEG C
The benzoyl peroxide of 0.3 parts by weight, then successively instill successively it is above-mentioned prepare raw material, after isothermal reaction 5h, be filtered, washed,
It is dry to get.
The synthetic rubber is butadiene-styrene rubber.
The preparation process of the brassiere mold cup is：
1st, natural emulsion is mixed pretreated natural emulsion according to weight ratio and synthetic rubber after pretreatment
It closes, adds in vulcanization accelerator, stirring makes it obtain natural emulsion and synthetic rubber latex after being sufficiently mixed.
2nd, above-mentioned natural emulsion and synthetic rubber latex are introduced into mold, mold is sent into the steam that temperature is 70 DEG C
Vulcanization or curing occur under the action of heating power, then takes out mold from vaporium for room, remove latex block, clean, dry, carry out
It is cut into, latex brassiere mold cup is made.
Embodiment 2：Difference lies in the weight average molecular weight of the natural emulsion is 100000 with embodiment 1.
Embodiment 3：Difference lies in the weight average molecular weight of the natural emulsion is 30000 with embodiment 1.
Embodiment 4：Difference lies in the weight average molecular weight of the synthetic rubber is 20000 with embodiment 1.
Embodiment 5：Difference lies in the weight average molecular weight of the synthetic rubber is 160000 with embodiment 1.
Embodiment 6：Difference lies in the weight ratio of the natural emulsion and formula (1) is 10 with embodiment 1：0.001.
Embodiment 7：Difference lies in the weight ratio of the natural emulsion and formula (1) is 10 with embodiment 1：3.
Embodiment 8：Difference lies in the weight ratio of the natural emulsion and synthetic rubber is 10 with embodiment 1：0.5.
Embodiment 9：Difference lies in the weight ratio of the natural emulsion and synthetic rubber is 10 with embodiment 1：4.
Test：
1st, product plasticity retention percentage foundation：SN/T 0541.2-1996 inlet and outlet standard rubbers method of inspection detections
2nd, scratch test：Skin allergy test is according to " manufacture of medical instruments recognizes to apply for necessary biology
The basic consideration method of safety testing " and " the reference examination involved by the basic consideration method of the safety testing of biology
Sample ".
Preparation-obtained modified natural emulsion is suspended in ethanol solution, above-mentioned ethanol solution is offerd medicine in cavy
Scapula top disposes 7 days, observation.
Criterion：
3rd, human allergy reacts：185 people of 35 people of male and women adds up to 220 people.
Sample to be tested is carried out by 2 stages.Experimental stage when importing, the product of about 1 inch of square is put
It puts on the surface of the closure medical application tapes of 3M corporations.Back sheet material being placed between shoulder and waist.Experiment is each
It is carried out in Monday, Wednesday and Friday.After experiment 24 hours, sheet material is removed.Tuesday and Thursday rest 24 are small
When, it rests 48 hours after being removed on Saturday.Before the experiment of sheet material next time, pass through the trained people to be tested
Record returns to equipment.
Import when off-test when, remove experiment used in article, then within 2 weeks without experiment.Again
Challenge experiment starts after the rest.Experiment is rechallenged to carry out in new experiment position.After being tested when removing, record 24 is small
When and the position of 72 hours.Occur in the final stage for reading end for rechallenging experiment and delay occurs on the skin.
According to following record benchmark, skin condition is recorded.
Test result：
The formulation condition for keeping embodiment 1 is constant, changes the pretreatment temperature of natural emulsion, sees itself and different synthetic rubber
Compatibility, judge from the plasticity retention percentage of mold cup.
The formulation condition for keeping embodiment 1 is constant, changes the pretreatment time of natural emulsion, sees itself and different synthetic rubber
Compatibility, judge from the plasticity retention percentage of mold cup.
As can be seen from the table, the composition in the present invention has nonpolar synthetic rubber very strong compatibility, modeling
Property conservation rate it is high, excellent in mechanical performance, almost without allergic reaction.
Aforementioned example is merely illustrative, for explaining some features of the feature of the disclosure.Appended claim
The range as wide as possible that requirement is contemplated that is intended to, and embodiments as presented herein is only according to all possible embodiment
Combination selection embodiment explanation.Therefore, the purpose of applicant is that appended claim is not illustrated the present invention
Feature exemplary selectional restriction.And the progress in science and technology will not formed due to the inaccuracy that language is expressed and not
The possible equivalent or son being presently considered are replaced, and these variations also should in the conceived case be interpreted by appended
Claim covers.
Claims (2)
1. a kind of latex brassiere mold cup, which is characterized in that it is prepared by natural emulsion and synthetic rubber；
The weight average molecular weight of the synthetic rubber is 100000, and the weight average molecular weight of the natural emulsion is 60000, described natural
The weight ratio of latex and synthetic rubber is 10：1.8；
The natural emulsion passes through pre-treatment, and the step of pre-treatment is as follows：
S01, natural rubber, absolute ethyl alcohol and polyphosphoric acids are blended, the substance shown in formula (1) are added in mixed liquor, in room
Temperature lower ultrasound 0.5-2 hours；
S02, the mixed liquor in S01 is centrifuged, is washed 3-5 times with absolute ethyl alcohol, dried；
S03, the dried object in S02 and deionized water are blended, heating temperature is to 70-130 DEG C, after stirring 0.2-6 hours, rapidly
It is put into ice water and cools down, centrifuge, dry；
The structural formula of the formula (1) is as follows：
Wherein, the R1And R3For methyl, R2For hydroxyl, R4For aldehyde radical, the weight average molecular weight of formula (1) is 200000, n：o：m：P=
1：1：7：15,
The weight ratio of the natural emulsion and formula (1) is 10：(0.01-2).
2. latex brassiere mold cup according to claim 1, which is characterized in that the synthetic rubber is non-polar rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936179.0A CN106496673B (en) | 2016-11-01 | 2016-11-01 | A kind of latex brassiere mold cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936179.0A CN106496673B (en) | 2016-11-01 | 2016-11-01 | A kind of latex brassiere mold cup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106496673A CN106496673A (en) | 2017-03-15 |
| CN106496673B true CN106496673B (en) | 2018-07-03 |
Family
ID=58319887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610936179.0A Active CN106496673B (en) | 2016-11-01 | 2016-11-01 | A kind of latex brassiere mold cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106496673B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623857A (en) * | 2018-04-25 | 2018-10-09 | 艾钟 | A kind of pure natural latex composition and latex mold cup and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569961A (en) * | 2004-04-24 | 2005-01-26 | 陈耀祥 | Bra cushion material and its making method |
| CN101613422A (en) * | 2009-07-21 | 2009-12-30 | 中山大学 | A kind of natural rubber latex protein fixation method |
| CN202068950U (en) * | 2011-06-08 | 2011-12-14 | 张祖福 | Breast plumping cup |
| CN204409613U (en) * | 2015-01-20 | 2015-06-24 | 姚俊鹏 | A kind of rubber bra cup of internal airbag |
| CN205390350U (en) * | 2016-02-24 | 2016-07-27 | 王欣 | Latex brassiere |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100120329A1 (en) * | 2008-11-07 | 2010-05-13 | Macdonald Susan Delaney | Brassiere |
-
2016
- 2016-11-01 CN CN201610936179.0A patent/CN106496673B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1569961A (en) * | 2004-04-24 | 2005-01-26 | 陈耀祥 | Bra cushion material and its making method |
| CN101613422A (en) * | 2009-07-21 | 2009-12-30 | 中山大学 | A kind of natural rubber latex protein fixation method |
| CN202068950U (en) * | 2011-06-08 | 2011-12-14 | 张祖福 | Breast plumping cup |
| CN204409613U (en) * | 2015-01-20 | 2015-06-24 | 姚俊鹏 | A kind of rubber bra cup of internal airbag |
| CN205390350U (en) * | 2016-02-24 | 2016-07-27 | 王欣 | Latex brassiere |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106496673A (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Montesinos-Herrero et al. | Partial replacement of fat by functional fibre in imitation cheese: Effects on rheology and microstructure | |
| CN103228688B (en) | Elastomer rubber and elastomer product that do not use vulcanization accelerator or sulfur | |
| CN103030782B (en) | Slow-rebound memory sponge insole material | |
| CN106496673B (en) | A kind of latex brassiere mold cup | |
| CN102936359A (en) | Preparation method of environment-friendly condom | |
| CN108774378A (en) | A kind of high-elastic bradyseism rubber-plastics material, the high-elastic sole of bradyseism and its preparation process | |
| CN108424530A (en) | A kind of preparation method of Cortex Eucommiae latex | |
| CN103865134B (en) | A kind of lightweight rubber soles and preparation method thereof | |
| CN110294848A (en) | The method and latex product of fresh Heveatex presulfurization | |
| CN106661546A (en) | Cultured cell differentiation promotion method and cultured cell differentiation promoter | |
| CN106188465A (en) | A kind of high resilience waterborne polyurethane resin material and preparation method thereof | |
| CN107815273A (en) | A kind of special-purpose aqueous acrylic resin modified adhesive of runway and preparation method thereof | |
| Joseph | Practical guide to latex technology | |
| CN109627486A (en) | A kind of pure natural latex mold cup and its preparation process | |
| CN104004237A (en) | Rubber material composition for soles and method for preparing rubber material for soles | |
| CN101872573B (en) | Medicinal training simulation skin and manufacturing method thereof | |
| CN106279810A (en) | A kind of natural emulsion mold cup and the bra prepared thereof | |
| CN107440983A (en) | It is a kind of that there is eye cream for desalinating dry line microgroove and preparation method thereof | |
| CN105542442A (en) | Thermoplastic elastomer material for smart wristband and preparation method of thermoplastic elastomer material | |
| CN109575246B (en) | A kind of starch-isocyanates-polycaprolactone ternary graft copolymer and its preparation method and application | |
| CN109535513A (en) | A kind of sport ball inner tube of a tyre of new material production | |
| CN110240688A (en) | Agent waterborne polyurethane resin and preparation method thereof at a kind of table | |
| CN109923132A (en) | Synthetic polyisoprenes latex | |
| US11721241B2 (en) | Bionic digestive tract as well as preparation method and application thereof | |
| CN109481474A (en) | Application of the bacteroides fragilis in the drug or food of preparation prevention and treatment rhinitis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |