CN110872440A - Foam material for bra - Google Patents
Foam material for bra Download PDFInfo
- Publication number
- CN110872440A CN110872440A CN201811000783.8A CN201811000783A CN110872440A CN 110872440 A CN110872440 A CN 110872440A CN 201811000783 A CN201811000783 A CN 201811000783A CN 110872440 A CN110872440 A CN 110872440A
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- Prior art keywords
- parts
- foam material
- raw material
- silicone oil
- foam
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Classifications
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B17/00—Selection of special materials for underwear
-
- 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
- C08J2383/00—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
- C08J2383/04—Polysiloxanes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Corsets Or Brassieres (AREA)
Abstract
The invention relates to the field of underwear production, in particular to a foam material for a bra. A foam material for a bra is prepared by mixing and foaming a raw material A and a raw material B, wherein the raw material A comprises the following components in parts by weight: the raw material A comprises the following components in parts by weight: 50-85 parts of vinyl silicone oil, 5-50 parts of alkyl silicone oil, 0.2-8 parts of catalyst, 0-10 parts of foaming agent and 1-4 parts of foam stabilizer; the raw material B comprises the following components in parts by weight: 45 to 75 portions of vinyl silicone oil, 1 to 30 portions of hydrogen-containing silicone oil, 5 to 10 portions of alkyl silicone oil and 0 to 5 portions of inhibitor. The foam material for preparing the bra is environment-friendly, skin-friendly and breathable, and has the excellent characteristics of good rebound resilience, low deformation rate, good weather resistance, hydrophobicity, moisture resistance, physiological inertia and the like; has good hydrophobicity and low water absorption rate, and is particularly suitable for swimwear.
Description
Technical Field
The invention relates to the field of underwear production, in particular to a foam material for a bra.
Background
With the continuous pursuit of people for healthy quality life, the battle of healthy underwear is more and more intense. Especially, in recent years, the increase of breast diseases and breast cancers makes people have requirements on various aspects of comfort, health, safety, environmental protection and the like of bras, and also provides higher standards for materials filled in the bras.
The currently used bra filling materials are as follows:
the PU foaming material is formed by foaming polyurethane raw materials and then is manufactured by high-temperature mould pressing, has the advantages of low density, light weight and good flexibility, and is widely applied. But PU foaming material has poor air permeability and general permanent deformability; poor perspiration resistance; easy hydrolysis; poor weather resistance and easy yellowing. The production process is not environment-friendly, and toxic, irritant or allergenic chemical substances are possibly released in the using process of the sponge cup, so that potential danger is caused to the health of women;
2. the silicone gel material has the advantages of soft texture, good elasticity, texture close to skin and real touch feeling; but the air permeability is not good, the density is large, and the mass is heavy;
3. nonwoven gasket materials, which have the advantages of three-dimensional structure, light weight, good air permeability, and resistance to yellowing, are considered as novel materials replacing polyurethane foam. But the strength is low and the cup is easy to deform, and the cup made of the material has problems in the aspects of washing, hand feeling, shaping effect and the like.
Disclosure of Invention
The invention aims to provide a foam material for a bra, and the technical problem is solved.
In order to achieve the above purpose, the present invention adopts the following technical solutions to achieve the technical problems solved by the present invention:
a foam material for a bra is prepared by mixing and foaming a raw material A and a raw material B, wherein the raw material A comprises the following components in parts by weight: 50-85 parts of vinyl silicone oil, 5-50 parts of alkyl silicone oil, 0.2-8 parts of catalyst, 0-10 parts of foaming agent and 1-4 parts of foam stabilizer; the raw material B comprises the following components in parts by weight: 45 to 75 portions of vinyl silicone oil, 1 to 30 portions of hydrogen-containing silicone oil, 5 to 10 portions of alkyl silicone oil and 0 to 5 portions of inhibitor.
The raw material A or the raw material B is also added with a functional filler, and the foaming agent is a physical foaming agent or a chemical foaming agent.
Preferably, the functional filler added to the raw material A is 1 to 10 parts, and the functional filler added to the raw material B is 1 to 10 parts.
The opening rate of the foam material is 50-98%.
Preferably, the open pore ratio of the foam material is 75 to 98 percent.
The density of the foam material is 0.01g/cm3～0.5g/cm3(ii) a The compression permanent deformation rate is 0.1-12.0%, and the million times fatigue test deformation rate is 0.1-15.0%.
Preferably, the foam material has a density of 0.05g/cm3～0.3g/cm3(ii) a The compression permanent deformation rate is 0.1-3.0%, and the million times fatigue test deformation rate is 0.1-3.0%.
The hardness of the foam cotton material is 5Shore FO-80 Shore FO.
Preferably, the foam cotton material has a hardness of 5shore FO to 45shore FO.
Optionally, the foaming process of the foam material adopts chemical foaming or physical foaming.
Optionally, the foaming process of the foam material adopts foaming or heating foaming at room temperature, and when the foaming is carried out at room temperature, the foaming temperature is 10-50 ℃; when heating foaming is adopted, the foaming temperature is 50-120 ℃.
Optionally, the foam process of the foam material adopts natural foaming or compression foaming.
Has the advantages that: due to the adoption of the technical scheme, the invention has the following technical effects:
1. the foam material is environment-friendly, skin-friendly and air-permeable, and has the excellent characteristics of good rebound resilience, low deformation rate, good weather resistance, hydrophobicity, moisture resistance, physiological inertia and the like;
2. the organic silicon foam has the biological inertia of organic silicon, so the organic silicon foam has high aperture ratio, is easy to absorb moisture and perspire, is difficult for bacteria to grow and reproduce, and has good bacteriostatic effect.
3. Has good hydrophobicity and low water absorption rate, and is particularly suitable for swimwear.
Detailed Description
The present invention is further described in order to make the technical means, the creation features, the achievement purposes and the effects of the present invention easy to understand.
The embodiment I provides a foam material for a bra, wherein the raw material A comprises the following components in parts by weight: 50 parts of vinyl silicone oil, 25 parts of alkyl silicone oil, 0.2 part of catalyst, 10 parts of foaming agent, 4 parts of foam stabilizer and 10 parts of functional filler; the raw material B comprises the following components in parts by weight: 30 parts of hydrogen-containing silicone oil, 45 parts of vinyl silicone oil, 5 parts of alkyl silicone oil, 10 parts of functional filler and 0.5 part of inhibitor.
Keeping the temperature of the raw material A and the raw material B to 25 ℃, respectively putting the raw materials A and B into a mixing barrel according to the mass ratio of 1:1, uniformly mixing, injecting into a bra mold, sealing, compressing, foaming for 1h at the room temperature of 25 ℃, curing, molding, and demolding. The following tests were made on this foam material with the following results:
the following tests were made on this foam material with the following results:
density (g/cm)3)0.5；
Hardness (shore FO) 45;
opening ratio (%) 75;
compression set (%) 2.8;
million times fatigue test deformation rate (%) 3.0;
example two, a foam material for a brassiere, the raw material a comprises the following components in parts by weight: 85 parts of vinyl silicone oil, 5 parts of alkyl silicone oil, 3 parts of catalyst, 8 parts of foaming agent and 2 parts of foam stabilizer; 8 parts of functional filler; the raw material B comprises the following components in parts by weight: 1 part of hydrogen-containing silicone oil, 75 parts of vinyl silicone oil, 4.5 parts of functional filler and 2 parts of inhibitor.
Keeping the temperature of the raw material A and the raw material B at 25 ℃, respectively putting the raw materials A and B into a mixing barrel according to the mass ratio of 1:1, uniformly mixing, injecting into a bra mold, naturally foaming at the room temperature of 25 ℃ for 30min, curing and molding, and demolding. The following tests were made on this foam material with the following results:
density (g/cm)3)0.32；
Hardness (shore FO) 30;
opening ratio (%) 85;
compression set (%) 3.0;
the million times fatigue test deformation rate (%) is 2.5;
the third embodiment relates to a foam material for a bra, wherein the raw material A comprises the following components in parts by weight: 70.5 parts of vinyl silicone oil, 10 parts of methyl silicone oil, 8 parts of catalyst, 10 parts of foaming agent, 2 parts of foam stabilizer and 8 parts of functional filler; the raw material B comprises the following components in parts by weight: 20 parts of hydrogen-containing silicone oil, 60 parts of ethyl silicone oil, 10 parts of alkyl silicone oil, 4.5 parts of functional filler and 5 parts of inhibitor.
Respectively conveying the raw material A and the raw material B into a glue channel A and a glue channel B of a glue injection machine, starting the glue injection machine, extruding the raw material A and the raw material B into a stirrer according to the mass ratio of 1:1, and stirring at the speed of 3000rpm for 10 s. Then, injecting the uniformly stirred colloid into a bra mold, and naturally foaming for 30min at the room temperature of 25 ℃ for curing and molding.
The following tests were made on this foam material with the following results:
density (g/cm)3)0.09；
Hardness (shore FO) 15;
opening ratio (%) 95;
compression set (%) 0.75;
million times fatigue test deformation rate (%) 0.95;
the embodiment four discloses a foam material for a bra, wherein the raw material A comprises the following components in parts by weight: 69 parts of vinyl silicone oil, 10 parts of methyl silicone oil, 0.2 part of catalyst, 8 parts of foaming agent, 2 parts of foam stabilizer and 8 parts of functional filler; the raw material B comprises the following components in parts by weight: 30 parts of hydrogen-containing silicone oil, 65 parts of ethyl silicone oil, 4.5 parts of functional filler and 0.2 part of inhibitor.
Respectively conveying the raw material A and the raw material B into a glue channel A and a glue channel B of a glue injection machine, starting the glue injection machine, extruding the raw material A and the raw material B into a stirrer according to the mass ratio of 1:1, and stirring at the speed of 1000rpm for 10 s. And then, extruding the uniformly stirred colloid from the machine head of the glue injection machine into a bra mold, and naturally foaming for 30min at 80 ℃ to completely cure and mold the foam material coated on the lining of the bra.
Density (g/cm)3)0.21；
Hardness (F0) 20;
opening ratio (%) 90;
compression set (%) 1.2;
the deformation rate (%) of the million times fatigue test is 1.3;
embodiment five, a foam material for bras, wherein the raw material a comprises the following components in parts by weight: 70.5 parts of vinyl silicone oil, 10 parts of methyl silicone oil, 8 parts of catalyst, 4 parts of foam stabilizer and 8 parts of functional filler; the raw material B comprises the following components in parts by weight: 30 parts of hydrogen-containing silicone oil, 60 parts of vinyl silicone oil, 5 parts of alkyl silicone oil, 3 parts of functional filler and 3 parts of inhibitor.
Respectively injecting microbubbles with the volume ratio of 30% into the raw material A and the raw material B, uniformly mixing, starting a glue injection machine, extruding the raw material A and the raw material B into a stirrer according to the mass ratio of 1:1, stirring at the speed of 2000rpm for 10 s. And then, extruding the uniformly stirred colloid from the head of the glue injection machine into a bra mold, controlling the material temperature to be 25 ℃ at the room temperature of 25 ℃, injecting into the bra mold, and naturally foaming for 30min for curing and molding.
The following tests were made on this foam material with the following results:
density (g/cm)3)0.28；
Hardness (shore FO) 30;
opening ratio (%) 78;
compression set (%) 1.9;
the deformation rate (%) of the million times fatigue test is 1.75;
and (3) carrying out a water absorption test on the foam material prepared in the third embodiment, the three-dimensional non-woven fabric and the PU cotton for the bra mold cup of the swimsuit, wherein the concrete steps are as follows:
immersing bra mold cups made of three materials with the same size in water for 15min, taking out, wiping off surface moisture, and comparing the front weight and the rear weight;
pressing rollers are adopted to control the same pressure and squeeze water;
the results are shown in table 1 comparing the weight of the material before and after the extrusion:
TABLE 1
As can be seen from Table 1, example III absorbs a small amount of water in water, is the lightest in weight, and dries more easily after absorbing water.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A foam material for a bra is prepared by mixing and foaming a raw material A and a raw material B, and is characterized in that the raw material A comprises the following components in parts by weight:
the raw material B comprises the following components in parts by weight:
2. the foam material for brassieres according to claim 1, wherein functional filler is added to both the raw material A and the raw material B;
the foaming agent is a physical foaming agent or a chemical foaming agent.
3. The foam material for brassieres according to claim 2, wherein the functional filler is added to the raw material A in an amount of 1 to 10 parts by weight, and the functional filler is added to the raw material B in an amount of 1 to 10 parts by weight.
4. The foam material for brassieres according to claim 1, wherein the foam material has an open cell content of 50% to 98%.
5. The foam material for brassieres according to claim 1, wherein the foam material has a density of 0.01g/cm3～0.5g/cm3(ii) a The compression permanent deformation rate is 0.1-12.0%, and the million times fatigue test deformation rate is 0.1-15.0%.
6. The foam material for a brassiere according to claim 5, wherein said foam material has a density of 0.05g/cm3～0.3g/cm3(ii) a The compression permanent deformation rate is 0.1-3.0%, and the million times fatigue test deformation rate is 0.1-3.0%.
7. The foam material for brassieres according to claim 1, wherein the foam material has a hardness of 5shore FO to 80shore FO.
8. The foam material for a brassiere according to any one of claims 1 to 7, wherein the foam material is foamed by a chemical foaming process or a physical foaming process.
9. The foam material for brassieres according to any one of claims 1 to 7, wherein the foam material is foamed at room temperature or by heating.
10. The foam material for a brassiere according to any one of claims 1 to 7, wherein the foam material is foamed by natural foaming or compression foaming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000783.8A CN110872440A (en) | 2018-08-30 | 2018-08-30 | Foam material for bra |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000783.8A CN110872440A (en) | 2018-08-30 | 2018-08-30 | Foam material for bra |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110872440A true CN110872440A (en) | 2020-03-10 |
Family
ID=69714277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811000783.8A Pending CN110872440A (en) | 2018-08-30 | 2018-08-30 | Foam material for bra |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110872440A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113004700A (en) * | 2021-02-03 | 2021-06-22 | 嘉兴未来新材料科技有限公司 | Organic silicon slow-resilience sponge and preparation method thereof |
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Application publication date: 20200310 |