CN108250362A - High-hydroscopicity sanitary napkin - Google Patents
High-hydroscopicity sanitary napkin Download PDFInfo
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- CN108250362A CN108250362A CN201711248689.XA CN201711248689A CN108250362A CN 108250362 A CN108250362 A CN 108250362A CN 201711248689 A CN201711248689 A CN 201711248689A CN 108250362 A CN108250362 A CN 108250362A
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- sanitary napkin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
- C08B30/18—Dextrin, e.g. yellow canari, white dextrin, amylodextrin or maltodextrin; Methods of depolymerisation, e.g. by irradiation or mechanically
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/092—Polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1535—Five-membered rings
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dispersion Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Biochemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses a kind of high-hydroscopicity sanitary napkins, including the inside layer, superficial layer and absorbed layer, the absorbed layer is located between the inside layer and superficial layer, and water-absorbent material is filled in the absorbed layer, and the water-absorbent material is 1 in mass ratio by hydroscopic high-molecular resin and tripoli:1‑1:5 mix.The absorbed layer of sanitary napkin of the present invention is located between the inside layer and superficial layer and filled with tripoli and hydroscopic high-molecular resin, hydroscopic high-molecular resin has excellent water absorbing properties, tripoli is light and soft, in cellular, porosity is high and water absorbing capacity is very strong, menses can be fully absorbed, solve the phenomenon that menses is caused to overflow and stain clothing due to sanitary napkin absorbability is bad in the prior art.
Description
Technical field
The present invention relates to a kind of feminine hygiene articles, and in particular to a kind of high-hydroscopicity sanitary napkin.
Background technology
Disposable sanitary articles are also referred to as the disposable product of absorbability, including sanltary towel, panty liner, tampon, baby
Youngster's paper nappy, adult diapers and other adult-incontinence articles, pet pads etc..During disposable sanitary articles use, product
Mostly with user's direct skin contact, therefore, in addition to should have to product itself health, other than security feature, should also be most
It reduces to limits due to contact skin and causes the discomfort of user.In particular it is necessary to there is ventilative, smooth, quick suction
Wet, moisture-inhibiting, anti-down fluidity and skin contact comfort.Skin contact comfort, also known as skin-friendly, refer to clothes with human body
To the tactile comfort of fabric during skin contact.
Due to the quickening gathered of life section, environment, weather significant changes, the irregular and undesirable health behavior of life with
Custom, many female friends are with puerperal fever, loquacious inflammation, adnexitis, dysmenorrhoea, vaginitis, cervical erosion, pruritus vulvue, peculiar smell
Etc. diseases one or more, and unscientific nursing care mode, improperly clean cloudy mode, the underwear exacerbation with the source of infection
These diseases.Woman, not only living, it is beautiful to obtain appearance, also to live in body in health, therefore to strengthen health idea,
Care meticulously avoids the sanitary napkin using material and unreasonable structure, because easily aggravating disease infection, can not safeguard reproductive system
Balance.
Women resistance in the menstrual period is very poor, the hygienic requirements of the sanitary napkin to belonging to personal object be it is very high,
Once improper use, it is likely that cause healthy hidden danger.The present invention provides a kind of novel sanitary napkin articles for use, can keep contact surface
Cleaning and antibacterial, reduce the growth of bacterium, in turn ensure to the nonirritant of skin, it is safer to bring the women unusual time
The adventure in daily life of health.
Invention content
The technical problem to be solved in the present invention is to provide a kind of high-hydroscopicity sanitary napkins.
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of high-hydroscopicity sanitary napkin, including the inside layer, superficial layer and absorbed layer, the absorbed layer is located at the inside layer
Between superficial layer, which is characterized in that filled with water-absorbent material in the absorbed layer, the water-absorbent material is by macromolecule water uptake tree
Fat and tripoli are 1 in mass ratio:1-1:5 mix.
Preferably, the hydroscopic high-molecular resin is prepared by following weight parts raw material：5-15 parts of sodium hydroxide, third
15-25 parts of olefin(e) acid, 1-5 parts of starch, 0.1-0.5 parts of potassium peroxydisulfate, 0.5-2.5 parts of crosslinking agent, 1-5 parts of reinforcing agent, water 45-65
Part.
Preferably, the reinforcing agent is mixing one or more in methylene-succinic acid, L-AA, citric acid
Object.
It is highly preferred that the reinforcing agent is mixed by methylene-succinic acid, L-AA, citric acid, the Asia
Dimethyl succinic acid, L-AA, citric acid mass ratio be (1-3)：(1-3)：(1-3).
Preferably, the crosslinking agent is pentaerythritol triallyl ether, N, N- methylene-bisacrylamides, N- (3- bis-
Methylaminopropyl) mixture one or more in Methacrylamide.
It is highly preferred that the crosslinking agent is by pentaerythritol triallyl ether, N, N- methylene-bisacrylamides, N- (3-
Dimethylamino-propyl) Methacrylamide mixes, the pentaerythritol triallyl ether, N, N- methylene bisacrylamide acyls
Amine, N- (3- dimethylamino-propyls) Methacrylamide mass ratio be (1-3)：(1-3)：(1-3).
Preferably, the loading of water-absorbent material is 500-5000g/m in the absorbed layer2。
Preferably, the material of the superficial layer is cotton.
Preferably, the inside layer is the thermoplastic synthetic resin film of impermeable liquid.
Specifically, in the present invention：
Sodium hydroxide, No. CAS：1310-73-2.
Acrylic acid, No. CAS：79-10-7.
Potassium peroxydisulfate, No. CAS：7727-21-1.
Methylene-succinic acid, No. CAS：97-65-4.
L-AA, No. CAS：50-81-7.
Citric acid, No. CAS：77-92-9.
Pentaerythritol triallyl ether, No. CAS：1471-17-6.
N, N- methylene-bisacrylamide, No. CAS：110-26-9.
N- (3- dimethylamino-propyls) Methacrylamide, No. CAS：5205-93-6.
High-hydroscopicity sanitary napkin of the present invention, the absorbed layer of sanitary napkin are located between the inside layer and superficial layer and filled with diatom
Rock and hydroscopic high-molecular resin, hydroscopic high-molecular resin have excellent water absorbing properties, and tripoli is light and soft, in cellular,
Porosity is high and water absorbing capacity is very strong, can fully absorb menses, solves in the prior art because sanitary napkin absorbs
Property is bad and the phenomenon that menses is caused to overflow and stain clothing.
Specific embodiment
Here is that the preferred embodiment of the present invention is described in detail, so that advantages and features of the invention can be easier to
It is readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Raw material introduction in embodiment：
Starch, No. CAS：9005-25-8, the edible corn starch provided using Binzhou Jin Hui corns development corporation, Ltd..
Acrylic acid, No. CAS：79-10-7, the acrylic acid provided using Shandong Kaitai Petrochemical Co., Ltd..
Tripoli, the 20 mesh tripolis provided using Lingshou County Long Tong Building Materials Factories.
Embodiment 1
Hydroscopic high-molecular resin raw material (parts by weight)：7.8 parts of sodium hydroxide, 16 parts of acrylic acid, 2 parts of starch, potassium peroxydisulfate
0.22 part, 0.9 part of crosslinking agent, 3 parts of reinforcing agent, 50 parts of distilled water.
The reinforcing agent is by methylene-succinic acid, L-AA, citric acid in mass ratio 1：1：1 is uniformly mixed
It obtains.
The crosslinking agent is by pentaerythritol triallyl ether, N,N methylene bis acrylamide, N- (3- dimethylaminos third
Base) Methacrylamide in mass ratio 1：1：1 is uniformly mixed to obtain.
It is prepared by hydroscopic high-molecular resin：7.8 parts by weight of sodium hydroxide are added in 20 parts by weight distilled water and are stirred
It is even, it is slowly added to 16 parts by weight of acrylic acid and is neutralized, obtain neutralizer；2 weight starch, 30 weight are added in there-necked flask
Part distilled water, is gelatinized 30min at 90 DEG C, after being cooled to room temperature, sequentially adds neutralizer, 0.22 parts by weight potassium peroxydisulfate, 0.9
Parts by weight of crosslinking agent, 3 parts by weight reinforcing agents stir evenly, the graft reaction 2.5h at 60 DEG C, by product obtained by the reaction 80
Dried 24 hours at DEG C, smash to 20 mesh to get.
High-hydroscopicity sanitary napkin, including superficial layer (material be pure cotton spun laced fabric, grammes per square metre 100g/m2) and be arranged on described
Absorbed layer below superficial layer and the inside layer that is arranged below the absorbed layer are (using Cangzhou City Ya Tai plastic cement Co., Ltd
The PE films of production, grammes per square metre 50g/m2) and be arranged on the inside layer lower section release paper it is (limited using Suzhou space rice paper industry
The white Ge Laxin paper release paper of company's production, grammes per square metre 80g/m2) and be arranged below the release paper coating (use
The low density polyethylene (LDPE) coating for the model MODEL XP 39385 that Ethyl companies produce, thickness 0.025mm).By superficial layer,
High-hydroscopicity sanitary napkin is prepared by sanitary napkin common process in absorbed layer, the inside layer, release paper and coating.
Filled with water-absorbent material, loading 2000g/m in the absorbed layer2, the water-absorbent material is by macromolecule water uptake
Resin and tripoli are 1 in mass ratio:2 be uniformly mixed obtain.
Embodiment 2
It is substantially the same manner as Example 1, it differs only in：The reinforcing agent presses quality by L-AA, citric acid
Than 1：1 is uniformly mixed to obtain.
Embodiment 3
It is substantially the same manner as Example 1, it differs only in：The reinforcing agent presses matter by methylene-succinic acid, citric acid
Measure ratio 1：1 is uniformly mixed to obtain.
Embodiment 4
It is substantially the same manner as Example 1, it differs only in：The reinforcing agent is by methylene-succinic acid, L-AA
In mass ratio 1：1 is uniformly mixed to obtain.
Embodiment 5
It is substantially the same manner as Example 1, it differs only in：The crosslinking agent is by N,N methylene bis acrylamide, N-
(3- dimethylamino-propyls) Methacrylamide in mass ratio 1：1 is uniformly mixed to obtain.
Embodiment 6
It is substantially the same manner as Example 1, it differs only in：The crosslinking agent is by pentaerythritol triallyl ether, N- (3-
Dimethylamino-propyl) Methacrylamide in mass ratio 1：1 is uniformly mixed to obtain.
Embodiment 7
It is substantially the same manner as Example 1, it differs only in：The crosslinking agent is by pentaerythritol triallyl ether, N, N-
Methylene-bisacrylamide in mass ratio 1：1 is uniformly mixed to obtain.
Test case 1
Hydroscopic high-molecular resin made from embodiment 1-7 is subjected to water absorbing properties test, weighs 1.00g macromolecule water uptake trees
Fat is added in the beaker for filling 1000mL distilled water, is stirred 1min with glass bar, is stood and start timing.Weigh up 100 purposes not
The quality W1 of rust steel sub-sieve.The hydroscopic high-molecular resin after water suction is poured into the stainless steel sub-sieve of 100 mesh after 1h, is filtered
Water stands 30min, and weigh W2.Inhale amount of distilled water (g/g)=W2-W1.Concrete outcome is shown in Table 1.
Table 2：Inhale amount of distilled water energy test result list position：g/g
| Inhale amount of distilled water | |
| Embodiment 1 | 2652 |
| Embodiment 2 | 2448 |
| Embodiment 3 | 2461 |
| Embodiment 4 | 2572 |
| Embodiment 5 | 2603 |
| Embodiment 6 | 2507 |
| Embodiment 7 | 2542 |
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (methylene-succinic acid, L-AA, citric acid compounding) are inhaled
It is aqueous to be substantially better than embodiment 2-4 (arbitrary two kinds of compoundings in methylene-succinic acid, L-AA, citric acid)；Compare reality
Apply example 1 and embodiment 5-7, embodiment 1 (pentaerythritol triallyl ether, N, N- methylene-bisacrylamides, N- (3- diformazan ammonia
Base propyl) Methacrylamide compounding) water absorbing properties are substantially better than embodiment 5-7 (pentaerythritol triallyl ether, N, N- methylenes
Both arbitrary compounding in base bisacrylamide, N- (3- dimethylamino-propyls) Methacrylamide).
Test case 2
Permeability test is carried out to the sanitary napkin of embodiment 1-7, test method is with reference to GB/T5453-1997.Specific knot
Fruit is shown in Table 2.
Table 2：Permeability test result list position：mm·s-1
| Air penetrability | |
| Embodiment 1 | 5014 |
| Embodiment 2 | 4802 |
| Embodiment 3 | 4888 |
| Embodiment 4 | 4854 |
| Embodiment 5 | 4921 |
| Embodiment 6 | 4876 |
| Embodiment 7 | 4904 |
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (methylene-succinic acid, L-AA, citric acid compounding) is thoroughly
Gas performance is substantially better than embodiment 2-4 (arbitrary two kinds of compoundings in methylene-succinic acid, L-AA, citric acid)；Compare reality
Apply example 1 and embodiment 5-7, embodiment 1 (pentaerythritol triallyl ether, N, N- methylene-bisacrylamides, N- (3- diformazan ammonia
Base propyl) Methacrylamide compounding) permeability is substantially better than embodiment 5-7 (pentaerythritol triallyl ether, N, N- methylenes
Both arbitrary compounding in base bisacrylamide, N- (3- dimethylamino-propyls) Methacrylamide).
Claims (9)
1. a kind of high-hydroscopicity sanitary napkin, including the inside layer, superficial layer and absorbed layer, the absorbed layer be located at the inside layer with
Between superficial layer, which is characterized in that filled with water-absorbent material in the absorbed layer, the water-absorbent material is by hydroscopic high-molecular resin
It is 1 in mass ratio with tripoli:1-1:5 mix.
2. high-hydroscopicity sanitary napkin according to claim 1, it is characterised in that：The hydroscopic high-molecular resin is by following
Raw material is prepared：5-15 parts of sodium hydroxide, 15-25 parts of acrylic acid, 1-5 parts of starch, 0.1-0.5 parts of potassium peroxydisulfate,
0.5-2.5 parts of crosslinking agent, 1-5 parts of reinforcing agent, 45-65 parts of water.
3. high-hydroscopicity sanitary napkin according to claim 2, it is characterised in that：The reinforcing agent is methylene fourth two
One or more mixture in acid, L-AA, citric acid.
4. high-hydroscopicity sanitary napkin according to claim 3, it is characterised in that：The reinforcing agent is by methylene fourth two
Acid, L-AA, citric acid mix, the methylene-succinic acid, L-AA, citric acid mass ratio be（1-
3）：（1-3）：（1-3）.
5. the high-hydroscopicity sanitary napkin according to any one of claim 2-4, it is characterised in that：The crosslinking agent is season
Penta tetrol triallyl ether, N, it is a kind of in N- methylene-bisacrylamides, N- (3- dimethylamino-propyls) Methacrylamide or
A variety of mixtures.
6. high-hydroscopicity sanitary napkin according to claim 5, it is characterised in that：The crosslinking agent is by pentaerythrite triolefin
Propyl ether, N, N- methylene-bisacrylamides, N- (3- dimethylamino-propyls) Methacrylamide mix, the season penta
Tetrol triallyl ether, N, N- methylene-bisacrylamides, N- (3- dimethylamino-propyls) Methacrylamide mass ratio be
（1-3）：（1-3）：（1-3）.
7. the high-hydroscopicity sanitary napkin according to any one of claim 1-6, it is characterised in that：It absorbs water in the absorbed layer
The loading of material is 500-5000g/m2。
8. high-hydroscopicity sanitary napkin according to any one of claims 1-5, it is characterised in that：The material of the superficial layer
Matter is cotton.
9. high-hydroscopicity sanitary napkin according to any one of claims 1-5, it is characterised in that：The inside layer is not
The thermoplastic synthetic resin film of liquid-permeable body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711248689.XA CN108250362A (en) | 2017-12-01 | 2017-12-01 | High-hydroscopicity sanitary napkin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711248689.XA CN108250362A (en) | 2017-12-01 | 2017-12-01 | High-hydroscopicity sanitary napkin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771688A (en) * | 2019-02-22 | 2019-05-21 | 樊仁勇 | A kind of sanitary napkin preparation process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102038582A (en) * | 2010-12-06 | 2011-05-04 | 王世荣 | Sanitary towel |
| CN102512290A (en) * | 2011-12-23 | 2012-06-27 | 大连创达技术交易市场有限公司 | Breathable instant-absorbing health-care diaper for babies |
| CN103601850A (en) * | 2013-10-21 | 2014-02-26 | 青岛三力本诺化学工业有限公司 | Preparation method of super absorbent resin |
| US20140306155A1 (en) * | 2013-04-10 | 2014-10-16 | Evonik Corporation | Particulate superabsorbent polymer composition having improved stability |
-
2017
- 2017-12-01 CN CN201711248689.XA patent/CN108250362A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102038582A (en) * | 2010-12-06 | 2011-05-04 | 王世荣 | Sanitary towel |
| CN102512290A (en) * | 2011-12-23 | 2012-06-27 | 大连创达技术交易市场有限公司 | Breathable instant-absorbing health-care diaper for babies |
| US20140306155A1 (en) * | 2013-04-10 | 2014-10-16 | Evonik Corporation | Particulate superabsorbent polymer composition having improved stability |
| CN103601850A (en) * | 2013-10-21 | 2014-02-26 | 青岛三力本诺化学工业有限公司 | Preparation method of super absorbent resin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771688A (en) * | 2019-02-22 | 2019-05-21 | 樊仁勇 | A kind of sanitary napkin preparation process |
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Application publication date: 20180706 |