CN107474334A - Underwear mold cup and preparation method - Google Patents
Underwear mold cup and preparation method Download PDFInfo
- Publication number
- CN107474334A CN107474334A CN201610405190.4A CN201610405190A CN107474334A CN 107474334 A CN107474334 A CN 107474334A CN 201610405190 A CN201610405190 A CN 201610405190A CN 107474334 A CN107474334 A CN 107474334A
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- Prior art keywords
- parts
- mold cup
- latex
- underwear
- underwear mold
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Classifications
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- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2307/00—Characterised by the use of natural rubber
- C08J2307/02—Latex
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Corsets Or Brassieres (AREA)
Abstract
The present invention proposes a kind of underwear mold cup, and each component and weight ratio are：120 parts of natural rubber latex, 20 parts of oxalic acid, 12~18 parts of pancreatin, 1.5 3 parts of auxiliary agent, 45~60 parts of castor oil potash soap, 100 parts of sulphur, 100~120 parts of zinc diethyl dithiocarbamate, 45~50 parts of ammonium hydrogencarbonate, 25~30 parts of lauryl sodium sulfate, 1.5 3 parts of amphoteric oxide, delayer coagulant, 10~20 parts of potassium silicofluoride, 0.1~1 part of age resistor.By deammoniation maturation, foaming, cutting, the technological forming such as cotton, sizing is pushed away.The underwear mold cup of the present invention has good gas permeability, and heat and moisture caused by energy Quick diffusing human body, the natural rubber elasticity of itself is good, and memory function is strong.It can be very good, according to ergonomic supports' breast, effectively to safeguard the natural structure of breast, avoid breast from shifting or sagging.
Description
Technical field
The present invention relates to natural rubber material field, particularly relates to a kind of underwear mold cup.
Background technology
Underwear is to be used to protect women's health, makes the more graceful product of chest lines.It is existing using be molded sponge as pad underwear, graceful bearing can be increased after being worn by women to a certain extent.But this underwear with sponge (polyurethane) for pad has many deficiencies, it is mainly manifested in：Foam mat poor air permeability, poor flexibility dress this underwear and have feeling of oppression and heat, and such case summer is even more serious, although also there is some, to strengthen gas permeability, the foam mat after punching is easily deformed damage for punching on foam mat；Because sponge elasticity is poor, it is easily deformed, therefore is easily deformed after the cleaning repeatedly of this underwear, sponge is easy to aging, easy breed bacteria and dirt in cavernous body.
In addition, now on the market, everybody makes underwear mold cup with polyurethane foam sponge product, such a material is the byproduct of oil, the micro chemical decomposition material of meeting easily causes the discomfort of skin in the environment of certain temperature and humidity with skin contact, and its memory function is poor, and easily oppressing chest influences blood and lymph circulation, udder health is endangered, influences wearing comfort.
The content of the invention
The present invention proposes a kind of underwear mold cup, solves the problems, such as the various of the uncomfortable initiation of underwear in the prior art.
The technical proposal of the invention is realized in this way：
Underwear mold cup, each component and weight ratio are：120 parts of natural rubber latex, 20 parts of oxalic acid, 12~18 parts of pancreatin, auxiliary agent 1.5-3 parts, 45~60 parts of castor oil potash soap, 100 parts of sulphur, 100~120 parts of zinc diethyl dithiocarbamate, 45~50 parts of ammonium hydrogencarbonate, 25~30 parts of lauryl sodium sulfate, amphoteric oxide 1.5-3 parts, delayer coagulant, 10~20 parts of potassium silicofluoride and sodium silicofluoride are used in mixed way ratio 20%-80%, 0.1~1 part of age resistor.Accelerator (ETU (Na-22) is also known as ethylene thiourea), (2-mercaptobenzimidazole, C7H6N2S, dosage are that 0.5-1 part C26H2ON2 dosages are not higher than 0.1-0.5 parts to age resistor.
As the preferred scheme of the present invention, the auxiliary agent is KOH or oleic acid potassium solution.
As the preferred scheme of the present invention, the amphoteric oxide is barium monoxide, aluminum oxide or zinc oxide.
As the preferred scheme of the present invention, the age resistor is C7H6N2S or C26H2ON2.
A kind of preparation method of underwear mold cup, comprises the following steps：
Step 1：Natural rubber latex is filtered, adds 20 parts of KOH solutions after filter wherein, after stirring 3~4 minutes, is slowly added to oxalic acid, pancreatin is added after adding oxalic acid solution, is capped and seals after stirring 5min, at room temperature maturation 24 hours~72 hours；
Step 2：The latex of maturation is filtered with 80 mesh gauzes, 2~4min is stirred after adding auxiliary agent, adds silica, 3min~5min is stirred after organic siliconresin.Step 3：Potassium silicofluoride is added in the latex that step 2 will be completed, age resistor, castor oil potash soap, sulphur, zinc diethyl dithiocarbamate, ammonium hydrogencarbonate, be filled with after lauryl sodium sulfate a large amount of nitrogen and quickly stirring latex is foamed, after foam is uniform in size plus, the Fypro fiber for accounting for 5~25 parts of finished-product volume is inserted and adds amphoteric oxide and appropriate delayer coagulant；Accelerator is ETU (Na-22 ethylene thioureas).
Step 4：Glycerine is coated after mold clean drying, in the sizing material injection mould that will be completed in step 3, is stirred evenly after having noted, is capped and heats sizing；
Step 5：Patch is affixed on the finished product for completing step 4 by glue spraying make-up machine, through cutting cotton and fitting；Finished product is cut and shaped by pushing away cotton machine and cup forming machine, obtains underwear mold cup.
As the preferred scheme of the present invention, the hot type technique in step 4 uses magnetic field induction eddy heating for heating Principles of Boiler.
As the preferred scheme of the present invention, firing equipment include can alive coil and the metal heating that is attached thereto and is brought rapidly up after heating, the metal heating is on the boiler.
Beneficial effects of the present invention
The present invention uses natural rubber (latex), from rubber tree, it is natural prodcuts, it is nontoxic, antiallergy, effectively reduce caused electrostatic between human body and fiber, the underwear mold cup produced by PROCESS FOR TREATMENT, increase permeability after being handled by foaming, honeycomb can have good gas permeability, heat and moisture caused by Quick diffusing human body, naturally rubber (latex) elasticity is good, memory function is strong, it be can be very good using the underwear mold cup of natural rubber (latex) according to ergonomic supports' breast, physical activity is buffered to pressure caused by breast, the effective natural structure for safeguarding breast, avoid shifting caused by breast and sagging, after natural rubber (latex) is handled by foaming, with the structure recovered rapidly after deformation, so do not allow after long-time use yielding.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Embodiment 1
In the present invention deammoniation maturation technique is carried out firstly the need of to natural rubber, ammonia content near 0.2%~0.25% typically is required, first natural rubber latex is filtered, adds 20 parts of KOH solutions after filter wherein, it is stirring while adding, after stirring 3 minutes, 20 parts of oxalic acid are slowly added to, this is an exothermic reaction, therefore when adding oxalic acid, the temperature of latex can raise, it if the temperature of latex rises more than 12 degree, should just stop, being added after temperature decline.18min is stirred, adds and adds 12 parts of pancreatin, is capped and seals after stirring 5min, at room temperature maturation 24 hours.Use, useful life 144h are filtered after latex maturation.
Embodiment 2
Such as the deammoniation maturation technique in embodiment 1, after adding KOH solution, stir 4 minutes, be slowly added to 20 parts of oxalic acid, stir 20min, add and add 18 parts of pancreatin, be capped and seal after stirring 5min, at room temperature maturation 36 hours.
Embodiment 3
Such as the deammoniation maturation technique in embodiment 1, after adding KOH solution, stir 4 minutes, 20 parts of oxalic acid are slowly added to, 20min is stirred, adds and add 15 parts of pancreatin, it is capped and seals after stirring 5min, at room temperature maturation 72 hours, when adds oxalic acid, if latex temperature rise at 12 degree above is, stop add, after glue temperature decline after continuously adding, latex Con trolling index, total solids content more than 58%, total alkali content are no more than 0.03% about 0.25%, pH value is 9~11.5 or so.
Ammonia content in latex is reduced to 0.2% or so as far as possible, if exceeding, will delay being gelled, increases the dosage of gelling agent.
Embodiment 4
Except the latex after ammonia is filtered with 100 mesh gauzes, add vulcanizing agent, accelerator, age resistor (C7H6N2S0.1 parts or C26H2ON21 parts), specially add KOH, oleic acid potassium solution, because the latex for adding auxiliary agent must be uniformly dispersed, so mixing time is 3 minutes, it is degree to stir to not floating powder, then adds mixing loose powder body, continue stirring 4 minutes, after pour into frothing machine and bubble.Foaming effect can be strengthened by adding lauryl sodium sulfate or lauroyl diethanolamine
Embodiment 5
Such as the step in embodiment 4, after adding KOH, oleic acid potassium solution, stir 2 minutes, add a small amount of, diatomite, mix loose powder body, continue stirring 2 minutes, after pour into frothing machine and bubble.
Embodiment 6
Such as the step in embodiment 4, after adding KOH, oleic acid potassium solution, stir 3 minutes, add pectin, mix loose powder body, continue stirring 3 minutes, after pour into frothing machine and bubble.
A small amount of Fypro is added in engineering is mixed as packing material, materials'use amount can be reduced, and the elasticity and toughness of latex foam can be improved, lowers sponge density and improves modulus in compression
Embodiment 7
Before foaming, latex and various dispersions etc. are added in frothing machine by the order of technological procedure requirement, foaming is stirred in charging.Uniform filling is first mixed into latex by general filler person, after change quickly plus sulphur, age resistor, accelerator, then add the auxiliary agent of ammonium sulfate etc.When foaming change to prescribed volume at a slow speed even bubble to foam it is trickle after, change middling speed again and add barium monoxide dispersion and gelling agent etc., then survey just condensation point at a slow speed, reach discharging injection molding after requirement.Add nontoxic sodium alginate, lanolin, thickened, improve the stabilization of foam, prevent large area vacuole or big vesicle, and the problems such as upper and lower density unevenness
Embodiment 8
Such as the step in embodiment 7, all dispersions can not have clustering phenomena, need to filter if necessary, latex, which pours into park in frothing machine, must not exceed 3min, charging should be uniformly added into thread, it must not pour on online or wall, bubbling process often measures the volume that foaming latex rises, and gelling agent dosage determines according to room temperature height.
Embodiment 9
In bubbling process, when adding barium monoxide, barium monoxide can add 1/2 water dilution, and the addition time of barium monoxide has a direct impact to gelling.If stirring a period of time after adding barium monoxide, latex gradually thickens, and is now adding potassium silicofluoride.Some sodium acid carbonates regulation acid-base value can be added in right amount if stability is bad or ph values are less than 6.5, and sodium acid carbonate caused carbon dioxide bubble in acid-base neutralization reaction also contributes to the uniform dense of foaming simultaneously
Embodiment 10
In bubbling process, in order to accelerate to bubble, some foaming agents, such as RAYNOLCH-200 or RAYNOL PC-3930 can also be added in advance, because foaming agent is all surface reactive material, the surface tension of latex and air two-phase interface can be reduced, be advantageous to bubble.
Embodiment 11
Such as the bubbling mode in embodiment 10, latex should be suitably added some stabilizers, such as sodium hydroxide or silicon-carbon bond copolymer before foaming according to its steadiness.
Embodiment 12
Volatile oil and aromatic are added, repeatedly perfume (or spice) can alleviate menstrual pain symptom with calm nerves, the grain that can invigorate blood circulation of lavender, the alleviation anxiety Butterfly Ginger that can loosen mood santal of Yilan
Embodiment 13
Make the slow gel of foamed latex as added slow gel while barium monoxide is added in embodiment 9, while adding heat sensitizer.It is then placed in mould in 85 degree of hot-airs and shapes 15 minutes, then carries out steam vulcanization (cure).
Embodiment 14
After the latex demoulding by the step of embodiment 13, by centrifuge dewatering, place into 50-75 degree in drying box and be air-dried.
Embodiment 15
Latex enters the sizing stage after completing step 4,Sheet natural rubber material and chemical fabric after cutting out carry out fitting Compound Machining containing cotton fabric,Cloth and natural rubber is set to have a bonding well,,The cloth and natural rubber (latex) of mold cup are all thermoplastics,,The 35-50CM to 25-75CM of the sheet natural rubber (latex) of patch and foaming and mold cup as needed is cut,,The material of cutting is put in forming machine cavity plate,Convex aluminum dipping form punching press natural rubber (latex) to cavity plate merges,150-215 DEG C of mould in temperature,,Lower 150-195 DEG C of heating 90-300 times second of mould,Pressure control is at 3-5 kilograms,The distance of upper/lower die will be also controlled within 0.5-2CM,,Thermoplastic deformation occurs for natural rubber (latex) sheet material for making to have patch,One is carried out to sizing three times according to the thickness and shape of mold cup after standing 12-48 hours,So carry out molding sizing,Enable this natural rubber of foaming need thermoplastic to go out manufacture craft of different shapes according to chest type difference,Make monolithic mold cup as requested,Thin mold cup,Middle mold cup,Thick mold cup,Upper-thin-lower-thick cup,1/2,1/4,3/4 glass,Half chip bust and single piece type bust,Obtain underwear mold cup,It can be carried out Jian Xiu sides,It is such a complete,The underwear mold cup for being used as mold cup packing material with natural rubber material is just made.The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, and within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection.
Claims (7)
1. underwear mold cup, it is characterised in that each component and weight ratio are：120 parts of natural rubber latex, oxalic acid
20 parts, 12~18 parts of pancreatin, auxiliary agent 1.5-3 parts, 45~60 parts of castor oil potash soap, 100 parts of sulphur, diethyl
100~120 parts of base zinc dithiocarbamate, 45~50 parts of ammonium hydrogencarbonate, 2~4 parts of potassium stearate, 12
25~30 parts of sodium alkyl sulfate, amphoteric oxide 1.5-3 parts, delayer coagulant, 10~20 parts of potassium silicofluoride,
0.1~1 part of age resistor.
2. underwear mold cup according to claim 1, it is characterised in that the auxiliary agent is KOH or oleic acid
Potassium solution.
3. underwear mold cup according to claim 1, it is characterised in that the amphoteric oxide is zinc oxide,
Aluminum oxide or barium monoxide.
4. underwear mold cup according to claim 1, it is characterised in that the age resistor is C7H6N2S
Or C26H2ON2.
5. the preparation method of underwear mold cup according to claim 1, it is characterised in that comprise the following steps：
Step 1：Natural rubber latex is filtered, adds 20 parts of KOH solutions, stirring 3~4 after filter wherein
After minute, oxalic acid is slowly added to, pancreatin is added after adding oxalic acid solution, is capped and seals after stirring 5min,
Maturation 24 hours~72 hours at room temperature；
Step 2：The latex of maturation is filtered with 80 mesh gauzes, 2~4min is stirred after adding auxiliary agent, is added mixed
3min~5min is stirred after closing dispersion；
Step 3：Potassium silicofluoride, age resistor, castor oil potash soap, sulphur are added in the latex that step 2 will be completed
Sulphur, zinc diethyl dithiocarbamate, ammonium hydrogencarbonate, potassium stearate, it is filled with after lauryl sodium sulfate
A large amount of nitrogen and quickly stirring make latex foam, while will account for finished-product volume 15-35 parts Fypro addition bubble
Amphoteric oxide and appropriate delayer coagulant are added after foam is uniform in size；
Step 4：Glycerine is coated after mold clean drying, in the sizing material injection mould that will be completed in step 3,
Stirred evenly after having noted, be capped and heat sizing；
Step 5：By glue spraying make-up machine by patch be affixed on complete step 4 finished product on, through cut cotton processing and
Attaching process processing；Finished product is cut and shaped by pushing away cotton machine and cup forming machine, obtains underwear mould
Cup.
6. the preparation method of underwear mold cup according to claim 5, it is characterised in that adding in step 4
Heat type technique uses magnetic field induction eddy heating for heating Principles of Boiler.
7. the preparation method of underwear mold cup according to claim 6, it is characterised in that firing equipment includes
Have can alive coil and the metal heating that is attached thereto and is brought rapidly up after heating, the metal adds
Thermal is on the boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405190.4A CN107474334A (en) | 2016-06-08 | 2016-06-08 | Underwear mold cup and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405190.4A CN107474334A (en) | 2016-06-08 | 2016-06-08 | Underwear mold cup and preparation method |
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| CN107474334A true CN107474334A (en) | 2017-12-15 |
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| CN201610405190.4A Pending CN107474334A (en) | 2016-06-08 | 2016-06-08 | Underwear mold cup and preparation method |
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Cited By (6)
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| CN108440804A (en) * | 2018-03-22 | 2018-08-24 | 蔡俊源 | A kind of natural emulsion bra liner material and preparation method thereof |
| 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 |
| CN108912433A (en) * | 2018-07-16 | 2018-11-30 | 温州佳盛乳胶制品有限公司 | Special-shaped latex mattress and preparation method thereof |
| CN109575378A (en) * | 2018-11-16 | 2019-04-05 | 祝文艳 | A kind of insert of brassiere material and preparation method thereof |
| CN113892704A (en) * | 2021-11-04 | 2022-01-07 | 圣棠生态科技(义乌)有限公司 | Method for manufacturing seamless maintenance bra breast pad |
| CN115490906A (en) * | 2022-09-22 | 2022-12-20 | 江苏爱德福乳胶制品有限公司 | Method for manufacturing latex foaming bra pad |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108440804A (en) * | 2018-03-22 | 2018-08-24 | 蔡俊源 | A kind of natural emulsion bra liner material and preparation method thereof |
| 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 |
| CN108912433A (en) * | 2018-07-16 | 2018-11-30 | 温州佳盛乳胶制品有限公司 | Special-shaped latex mattress and preparation method thereof |
| CN109575378A (en) * | 2018-11-16 | 2019-04-05 | 祝文艳 | A kind of insert of brassiere material and preparation method thereof |
| CN113892704A (en) * | 2021-11-04 | 2022-01-07 | 圣棠生态科技(义乌)有限公司 | Method for manufacturing seamless maintenance bra breast pad |
| CN115490906A (en) * | 2022-09-22 | 2022-12-20 | 江苏爱德福乳胶制品有限公司 | Method for manufacturing latex foaming bra pad |
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Application publication date: 20171215 |