CN1246067A - Lipophilic adhesive for secure topical attachment to skin and comfortable removal - Google Patents

Lipophilic adhesive for secure topical attachment to skin and comfortable removal Download PDF

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Publication number
CN1246067A
CN1246067A CN97181849A CN97181849A CN1246067A CN 1246067 A CN1246067 A CN 1246067A CN 97181849 A CN97181849 A CN 97181849A CN 97181849 A CN97181849 A CN 97181849A CN 1246067 A CN1246067 A CN 1246067A
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China
Prior art keywords
weight
styrene
articles
skin
topical adhesive
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.)
Pending
Application number
CN97181849A
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Chinese (zh)
Inventor
伊塔洛·科扎尼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
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Procter and Gamble Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from EP96120738A external-priority patent/EP0850619A1/en
Priority claimed from EP97110730A external-priority patent/EP0853934A1/en
Priority claimed from EP97120338A external-priority patent/EP0855190A1/en
Priority claimed from EP97120337A external-priority patent/EP0850649A1/en
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of CN1246067A publication Critical patent/CN1246067A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means
    • A61F13/66—Garments, holders or supports not integral with absorbent pads
    • A61F13/82—Garments, holders or supports not integral with absorbent pads with means for attaching to the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0208—Tissues; Wipes; Patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0212—Face masks
    • 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
    • A61L15/58—Adhesives
    • 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
    • A61L15/58—Adhesives
    • A61L15/585—Mixtures of macromolecular compounds
    • 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
    • A61L24/00—Surgical adhesives or cements; Adhesives for colostomy devices
    • A61L24/04—Surgical adhesives or cements; Adhesives for colostomy devices containing macromolecular materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J153/005—Modified block copolymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J153/02—Vinyl aromatic monomers and conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J153/02—Vinyl aromatic monomers and conjugated dienes
    • C09J153/025—Vinyl aromatic monomers and conjugated dienes modified
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Birds (AREA)
  • Hematology (AREA)
  • Materials Engineering (AREA)
  • Vascular Medicine (AREA)
  • Surgery (AREA)
  • Dermatology (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Materials For Medical Uses (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

The present invention relates to a combination of a substrate with topical adhesives for attachment to the skin. In particular the present invention relates to a combination of a substrate with a topical adhesive which can be employed for attachment to the skin. The combination provides secure attachment and is pleasing to the skin upon application, yet causes no discomfort upon removal. This is achieved by selecting the chemical composition and rheological characteristics of the topical adhesives.

Description

Be fixed on the local skin safely and reliably and the lipophilic adhesive that can cosily remove
Invention field
The present invention relates to be used for fixing the part lipophilic adhesive on the skin.The present invention be more particularly directed to this class topical adhesive, they can be used for fixing on the skin part that needs absorb body fluids, in particular for bonding sanitary towel, scanties lining, adult incontinence products or Sweat-absorbing cushion.Part of the present invention also can be used for other articles for use are fixed on the skin with lipophilic adhesive, described articles for use such as protective articles for use, medicated clothing, prosthese, hot wrappage, cold wrappage, sonifer, protective mast, adornment or protect the order product, perhaps beauty treatment thing or the drug conveying articles for use of functional articles as offering certain material of skin.And part of the present invention can be used for not being fixed on the skin with lipophilic adhesive but as functions of components sex aids in the articles for use, these articles for use need have the long time of staying such as ornamental cosmetics or cleaning supplies on skin.Topical adhesive provides the safe fixing or long time of staying when using, and dermal sensation is comfortable, can not cause uncomfortable when removing articles for use.Realize these purposes by chemical composition and the rheological properties of selecting topical adhesive.
Background technology
The general prior art that is used for the topical adhesive field of localized immobilization to the skin has obtained special exploitation in Band-aid, plaster (plaster) and binder field.But these articles for use with in case of emergency, for example wound occurred in the wearer's skin usually, need the situation of the body fluid of absorption wound discharge.In this sense, the performance characteristic of articles for use, as comfortable and use easily and use, painless removal, discreteness all occupy back burner, as the aseptic of wound, indexs such as the healing effect of wound and mechanical protection effect are then occupied main status.And the absorbent device great majority that this class covers wound are used for this class skin part, promptly before using absorbent device, can remove chaeta or not long chaeta or chaeta position seldom.
The present invention relates to topical adhesive, it is used in particular for absorbing the absorbent device of nature from health rather than the effusive body fluid of wound.For example, be used for sanitary towel or scanties lining are fixed in the genital area.Be worn on as the incontinence article of people's genital area or the Sweat-absorbing cushion that is worn on people's axillary fossa and also be fit to use binding agent of the present invention.
The present invention relates to topical adhesive, it is used in particular for the protective articles for use as protecting genitals, knee cap lid or elbow support articles for use or binder; The part medicated clothing of using during medicated clothing such as medicated bra, OR gown operation gown or the tailor's amalgamation; The nose plaster; Prosthese such as breast prosthesis or wig; Hot wrappage, as be used for the wound pain of relief of menstrual spasm, arthralgia, back pain, motion or duration of work or simply heating; Cold wrappage is alleviated wound pain or is reduced swelling as being used to; Sonifer; Protective mast; Adornment such as jewelry, ear pendant, dress ornament, stricture of vagina body; Protective glasses or other protect the order product.These class articles for use are not used for absorb body fluids.For example, binding agent of the present invention wig can be fixed on the scalp or with elbow support and knee cap lid articles for use be fixed to these stand a large amount of stretch and corrugated body surface on.
The present invention can further relate to topical adhesive, it is used in particular for functional articles, beauty treatment thing or drug conveying articles for use such as skin treating material, cream, skin lotion, hormone, vitamin, deodorizer or the medicine of these functional articles as a kind of material is provided to skin; Improve looks on the other hand thing or drug conveying articles for use also can provide a kind of material that distributes from skin, as insecticide, suck medicine or spice; Lipophilic adhesive of the present invention also can be used for not being fixed on the skin but as functions of components sex aids in the articles for use, and these articles for use need have the long time of staying such as ornamental cosmetics (lip pomade, eye shadow, stage cosmetics) or cleaning supplies (hand cleaner, face shield, be used in particular for the sanitary cleaning agent of pore) on skin.These class articles for use are not used for absorb body fluids.For example, binding agent of the present invention can be fixed to the vitamin plaster suitably and maybe will discharge the articles for use that suck medicine on the skin and be fixed on the breast suitably.Binding agent added in the ornamental cosmetics can increase its abrasion resistance, can not cause the problem that is difficult to remove simultaneously.
The topical adhesive that is used for absorbent device such as sanitary towel or scanties lining has been done general disclosure at United States statutory invention registration H 1602 or WO 96/33683.The more details of binding agent has been done open in PCT application WO 95/16424.Disclosed in this document and had the hygienic article that is administered to its topical adhesive on wearer's side along the whole periphery of sanitary towel.The problem that this document exists mainly is how safety is fixed on the skin, mentions simultaneously and uses the back not making the wearer feel to separate under the undue pain problem of these class articles for use.
The rheology standard of topical adhesive that the disclosure of WO 95/16424 has comprised labor.But this document does not almost relate to the painless removal problem of these class articles for use, and the rheology standard that is embodied in description comprises depilation (promptly removing hair) compositions, as the STREP MIELE (TM) that is sold by Laboratori Vaj S.p.A in Italy.The binding agent that the localized immobilization of mentioning in WO 95/16424 is used comprises that also of today being used for is fixed to contact adhesive on the underwear with sanitary towel.And this document has only been mentioned static rheological charactristics, does not describe the dynamic rheology feature of topical adhesive.
WO 96/13238 discloses the topical adhesive model that depends on frequency.But disclosed all measured values as on the 9th page, all are to measure under-60 ℃～+ 120 ℃ temperature and under the actual frequency of 0.1～100 radian per second (rad/s).For the necessary data under the temperature that is applied (about 20 ℃, general bathroom, i.e. storage temperature), used Williams-Landel-Ferry (hereinafter claiming WLF) formula.
This WLF equation is an empirical formula, and only in specific scope effectively, can not be used to be extrapolated to temperature below the glass transition temperature that is lower than polymer adhesive as it, same WLF equation can not be used for based on the numerical value that obtains below the glass transition temperature.About the details of WLF equation and application thereof can find in following document: " Principles ofPolymer Processing " (the Polymer Processing principle) of Z.Tadmor and C.G.Gogos, by John Wiley; " Viscoelastic Properties of Polymers " (viscoelastic properties of polymer) of Sons publication or J.D.Ferry is also by John Wiley ﹠amp; Son publishes.Owing among the WO 96/13238 this is put down in writing, so can not assess the suitability of disclosed data.
European patent application EP-638,303 has disclosed uses topical adhesive so that make the side hoop remain on stand up position on the side hoop of sanitary towel.Switzerland publication number CH-643730 has disclosed the purposes of the speciality sanitary towel with outer chamfered edge, in four bights of outside topical adhesive is arranged so that just in time provide the topical adhesive zone in the outside in the hair growth district of pubis.These two applications all do not relate to adhesive composition.
Based on above-mentioned prior art, an object of the present invention is to provide safe and reliable fixing and from the skin the painless part lipophilic adhesive of removing.Another object of the present invention is to guarantee when removing absorbent device, does not have remaining binding agent to stay on wearer's the skin or hair.
To be the lipophilic adhesive used of localized immobilization cause cold or other unacceptable temperature sense using Shi Buhui further object of the present invention, although binding agent and skin temperature have the temperature difference.
Except above-mentioned purpose of the present invention, wish that also topical adhesive provides additional benefit common to skin or useful chemical compound or the compositions of health as conveying/dispersion, perhaps provides physical protection.And, preferably do not influence the topical adhesive of natural skin situation, as reaching this purpose by ventilative or permeable steam or suction steam/antiperspirant.
Summary of the invention
Although this paper has described the present invention with the application on disposable absorbent article, these class articles for use are fixed on the wearer with topical adhesive, and other further purposes of the present invention also is possible.
The present invention also is used for articles for use are fixed to skin or medicated clothing, and described articles for use comprise that the protective articles for use are as protecting genitals, knee cap lid or elbow support articles for use or binder; The part medicated clothing of using during medicated clothing such as medicated bra, OR gown operation gown or the tailor's amalgamation; The nose plaster; Prosthese such as breast prosthesis or wig; Hot wrappage, as be used for the wound pain of relief of menstrual spasm, arthralgia, back pain, motion or duration of work or simply heating; Cold wrappage is alleviated wound pain or is reduced swelling as being used to; Sonifer; Protective mast; Adornment such as jewelry, ear pendant, dress ornament, stricture of vagina body; Protective glasses or other protect the order product.These class articles for use are not used for absorb body fluids.
The present invention also is used for being fixed to functional articles on the skin or improving the function that is worn to these class articles for use on the skin.Functional articles is beauty treatment thing or drug conveying articles for use such as skin treating material, cream, skin lotion, hormone, vitamin, deodorizer or the medicine that a kind of material is provided to skin; Improve looks on the other hand thing or drug conveying articles for use also can provide a kind of material that distributes from skin, as insecticide, suck medicine or spice; In addition, binding agent of the present invention also can be used for not being fixed on the skin but as functions of components sex aids in the articles for use, and these articles for use need have the long time of staying such as ornamental cosmetics (lip pomade, eye shadow, stage cosmetics) or cleaning supplies (hand cleaner, face shield, be used in particular for the sanitary cleaning agent of pore) on skin.These class articles for use are absorb body fluids not.Topical adhesive makes these articles for use can be fixed on wearer's the skin safely and supports its function.Term in this sense " functional " refers to that articles for use are finished by topical adhesive of the present invention after being placed on the skin and is supported or improved additional function.Articles for use have a surface and an outer surface towards the wearer usually.
In the application on disposable absorbent article, part of the present invention is used for the topical adhesive that these class articles for use are used is fixed to the wearer with lipophilic adhesive.Disposable absorbent article such as sanitary towel, scanties lining, incontinence article or oxter Sweat-absorbing cushion have a surface and an outer surface towards the wearer usually.These articles for use comprise and are being used to absorb liquid such as urine, feces, menstruation, antiperspirant or the vagina Excreta of discharging from the wearer towards wearer's surface and the absorbent article core structure between the outer surface.Topical adhesive is fixed on wearer's the skin articles for use.
The labor of the precedence of the normal conditions that occur when being applied to of disposable absorbent article removed these class articles for use has shown the characteristic that need satisfy concrete binding agent to realize required performance purpose, and particularly initial safety is fixed, the safety between the operating period is fixed and last painless removal.In this case the characteristic of being considered be describe material elastic performance elastic modelling quantity and the viscous modulus of the adhering performance of adhesive material is described.
The adhering performance of binding agent can be interpreted as representing an index of the agglutinating ability of the fixing rapidly also safety of binding agent.Elastic performance may be interpreted as an index of " hardness " performance of expression binding agent.Its value also is important to good initial fixation.The size of required power when the population effect that it is believed that them has determined to remove.The relation of elastic modelling quantity and viscous modulus is considered to represent that where partly removing energy will be dissipated in the binding agent, and which part is removed energy and be can be used for causing removing of reality.
For be provided for safe initial and long-time fixing and easily/painless topical adhesive of removing, the relation of elastic modelling quantity and viscous modulus with and kinetic property be particular importance.
Topical adhesive has an elastic modelling quantity under the temperature of 37 ℃ (100), be abbreviated as G ' 37, under the temperature of 37 ℃ (100), have a viscous modulus, be abbreviated as G " 37Binding agent also has dynamic elasticity character, is defined as △ G ' 37, it is the G ' under the frequency of 100 radian per seconds 37With the G ' under the frequency of 1 radian per second 37Difference, binding agent also has dynamic adhering performance △ G " 37, it is the G under the frequency of 100 radian per seconds " 37With the G under the frequency of 1 radian per second " 37Difference.
Condition below topical adhesive of the present invention satisfies.
G ' 37(1 radian per second) in the scope of 1500-20000Pa, preferred 1500-15000Pa, most preferably 3000-10000Pa:
G " 37(1 radian per second) in the scope of 100-15000Pa, preferred 100-10000Pa, most preferably 300-5000Pa;
G ' 37(1 radian per second)/G " 37(1 radian per second) is in the scope of 3-30;
Ratio
Figure A9718184900071
Be not less than 0.5, preferably in the scope of 0.7-3, more preferably in the scope of 1-1.8;
Ratio △ G ' 37/ G ' 37(1 radian per second) is not more than 1.5, preferably is not more than 1, most preferably is not more than 0.8; Perhaps
△ G ' 37Be not more than 10000Pa, preferably less than 5000Pa, most preferably less than 2000Pa; Perhaps the both satisfies;
At least the G ' in the frequency range of 1～100 radian per second 37/ G " 37Ratio should be preferably 3.3 or bigger, more preferably 5 or bigger, most preferably 10 or bigger, the arbitrary place in frequency range is no more than about 30, preferred 20 simultaneously;
Rheological property also can be relevant with the value of glass transition temperature Tg.For topical adhesive of the present invention, Tg should be more preferably less than-20 ℃, most preferably less than-25 ℃ preferably less than-15 ℃;
The acceptance of rheological property and topical adhesive is also relevant with specific heat capacity.Preferably the specific heat capacity of topical adhesive is more preferably less than 3J/g/K less than 4J/g/K, most preferably less than 2J/g/K;
The acceptance of rheological property and topical adhesive is also relevant with the specific heat conductance of binding agent.Preferably the specific heat conductance should be low as far as possible, preferred 1-0.1W/m/K, most preferably 0.6-0.1W/m/K.
If satisfy above-mentioned rheology condition, binding agent also satisfies as competent cohesiveness (cohesiveness) conditions such as (to prevent that adhesive residue is on skin), and competent cohesiveness is important and is conspicuous for those of ordinary skills the commerce application of this class binding agent.The adhesive composition that satisfies above-mentioned standard can be used as the topical adhesive of articles for use above-mentioned, particularly disposable absorbent article or as the part in the functional articles preparation, and condition is that they also satisfy between the operating period and generally be used safely in common requirement on human or animal's the skin after removing articles for use.
The comfort of the outward appearance of health when contacting also is important usually, thus preferably clear or white and bring adhesive composition ice-cold, discomfort when preventing to use.
Above-mentioned rheology standard and other consider that item can satisfy by particularly preferred adhesive composition of the present invention, said composition comprises 3～15%, first copolymer polystyrene-block of preferred 5～10% weight-poly-(ethylene-random-butylene)-block-polystyrene, its three blocks content is higher than 70%, styrene-content is higher than 25% weight, molecular weight is higher than 60,000; 0～9%, second copolymer polystyrene-block of preferred 0～6% weight-poly-(ethylene-random-butylene)-block-polystyrene, its three blocks content is less than 70%, and styrene-content is less than 20% weight, and molecular weight is less than 60,000; 20～95%, the oil of preferred 30～60% weight, its alkane partly is higher than 50% weight, and aromatic portion is less than 5% weight, as plasticized compound; 0～50%, the hydrogenation cyclic aliphatic tackifying resin of preferred 30～50% weight; The additive of 0～10% weight such as antioxidant or gel stability material, the content of preferred anti-oxidant are 0.3～1% weight, and the content of gel stability material is 0～1% weight.First and second copolymer polystyrene-blocks-poly-(ethylene-random-butylene)-block-polystyrene is preferably selected from the styrene-block-copolymer of s-B-S, styrene-isoprene-phenylethene, styrene-ethylene-butylene-styrene, styrene-ethylene-propylene-styrene class.Oil is preferably selected from natural or artificial oil such as vegetable oil, mineral oil or its compositions.
The binding agent that the detailed Description Of The Invention localized immobilization is used
Topical adhesive of the present invention is directly used on the skin.In concrete application, binding agent can be used for sanitary towel, and sanitary towel generally is used in the fluid discharge district genital area on every side by women's user.The term that the present invention uses " skin " not only relates to the concrete skin of user, and comprises mucous secretion tissue and the common hair that occurs at the genital area of sanitary towel's user.
For articles for use of the present invention being fixed on the skin of user, usually need be at articles for use on the specific region on the skin side, topical adhesive is set.
For sanitary towel, can consider different designs, still preferred periphery along top flat provides topical adhesive, thereby stays the zone line of the articles for use that do not have binding agent.This can the most suitably be convenient to the placement of sanitary towel, thereby the saturating liquid top flat zone that does not have binding agent above making be placed on the body fluid release aperture near, to such an extent as under the situation that does not have the possibility leakage or overflow, the liquid of release is transported in the absorbent structure of absorbent device immediately.The physics of topical adhesive, rheology and adhesive property
Even resembling, topical adhesive is used to human body skin hair and viscosity tissue the contact adhesive, what it should be understood that is, have only according to the distinctive rheologic behavio(u)r of tool of differentiating the topical adhesive compositions, just may topical adhesive be regarded as typical contact adhesive (PSA hereinafter referred to as) very difficultly.
In fact, known to the those of ordinary skill of adhesive field, the feature that PSA is different from the tool characteristic of other material that can temporarily cling article (as the water between two glass plates) is its rheological parameters, particularly elastic modulus G ' along with the frequency change of the stress that is applied is very big.More specifically, when the frequency of the stress that is applied from typical bonding frequency change when typically peeling off frequency, promptly during hereinafter described 1 radian per second to 100 radian per second, the size of the G ' of PSA can increase more than the several magnitude.
Therefore, can draw: by under given frequency values, provide rheological parameters particularly the value of the G ' material that will plan to use to be defined as " topical adhesive " be unallowed.This may make the people misread, because under the situation that lacks other characteristic, this will comprise the material that does not have real value.Therefore, rheological properties is that basis is necessary with the dynamic conditions.
This be not only applicable to elastic modulus G ', and ", therefore also be applicable to tan (δ)=G "/G ' that is applicable to viscous modulus G.Well-knownly be that typical PSA not only has bigger G ' changing value under the frequency of being considered, and G " variation bigger; G " may level off to G ', perhaps even bigger than G ', promptly tan (δ) is approximately 1 or even greater than 1, particularly under the typical frequency of peeling off.
Be not wishing to be bound by theory, this can be interpreted as meaning that energy expenditure that major part is used for peeling off is binding agent (therefore can not cause effectively and peel off), although should cause the record value of cohesive force very big on the fact macroscopic view.
As mentioned above, be under as the rheological properties major part that material had of topical adhesive of the present invention as 37 ℃ reference temperature of human body normal body temperature and the frequency of certain limit under measure.Have now found that, when using as have the sanitary towel class articles for use of topical adhesive, under lower frequency, form the binding agent contact, and peel off removing under the speed of articles for use.This speed represents with the frequency of 100 radian per seconds, and has now found that the low frequency that forms adhesives is on the order of magnitude of 1 radian per second.Therefore, the used frequency range of the present invention is 1～100 radian per second.
The bonding characteristic that it is believed that selection binding agent under body temperature is the most suitable.Because topical adhesive of the present invention directly is applied on the skin, those of ordinary skills have the little specific heat capacity adhesive composition of (as preferably less than 4J/g/K) with selecting, thus the actual temperature of topical adhesive will reach very soon 37 ℃ or even before using by wearer's preheating.
For good bonding condition is provided, promptly under the frequency of 1 radian per second, the absolute value of elastic modelling quantity should be too not high, otherwise binding agent too hard and can not closely connect or be molded into it will adherent surface on.G " have lower absolute value so that have to being used for the sanitary towel field; and normally when using the articles for use frequently remove and to adhere to once more or to change valuable especially good adhesive aggregation also be important, material keeps soft and can mildly be bonded on the skin simultaneously.
Ratio G ' 37/ G " 37(1 radian per second) is important, and these two values are equilibrated when guaranteeing on being bonded to skin.Simultaneously, in the frequency range of being considered, need the absolute change value of restriction G ' 37.Therefore, should keep △ G ' 37(be G ' 37(100 radian per second)-G ' 37(1 radian per second)) and G ' 37The ratio of (1 radian per second) is less, so that pass in time or removing/keep the safety of topical adhesive to fix when peeling off, and can not cause uncomfortable.This also can pass through △ G ' 37Represent with absolute value below remaining on particular value.
Importantly, ratio
Figure A9718184900101
Need enough greatly to guarantee kinetic property with a kind of like this relation (it provides safety bonding and painless and remove easily) maintenance elasticity and viscous modulus.
At last, those of ordinary skills will appreciate that also glass transition temperature Tg, specific heat capacity and the specific heat conductance of adhesive composition are the useful parameters that is limited with the topical adhesive of usefulness more comprehensively.
Topical adhesive of the present invention preferably should satisfy following feature:
G ' 37(1 radian per second) in the scope of 1500-20000Pa, preferred 1500-15000Pa, most preferably 3000-10000Pa;
G " 37(1 radian per second) in the scope of 100-15000Pa, preferred 100-10000Pa, most preferably 300-5000Pa;
G ' 37(1 radian per second)/G " 37(1 radian per second) is in the scope of 3-30;
Ratio
Figure A9718184900102
Be not less than 0.5, preferably in the scope of 0.7-3, more preferably in the scope of 1-1.8;
Ratio △ G ' 37/ G ' 37(1 radian per second) is not more than 1.5, preferably is not more than 1, most preferably is not more than 0.8; Perhaps
△ G ' 37Be not more than 10000Pa, preferably less than 5000Pa, most preferably less than 2000Pa; Perhaps above-mentioned both satisfies;
At least the G ' in the frequency range of 1～100 radian per second 37/ G " 37Ratio should be preferably 3.3 or bigger, more preferably 5 or bigger, most preferably 10 or bigger, the arbitrary place in frequency range is no more than about 30, preferred 20 simultaneously;
Rheologic behavio(u)r also can be relevant with the value of glass transition temperature Tg.For topical adhesive of the present invention, Tg should be more preferably less than-20 ℃, most preferably less than-25 ℃ preferably less than-15 ℃;
The acceptance of rheologic behavio(u)r and topical adhesive is also relevant with specific heat capacity.Preferably the specific heat capacity of topical adhesive is more preferably less than 3J/g/K less than 4J/g/K, most preferably less than 2J/g/K;
The acceptance of rheologic behavio(u)r and topical adhesive is also relevant with the specific heat conductance of binding agent.Preferably the specific heat conductance should low as far as possible (except that the energy delivery articles for use that more need high value), are more preferably 1-0.1W/m/K, most preferably are 0.6-0.1W/m/K.The chemistry of topical adhesive and composition characteristic
For the above-mentioned rheology that satisfies topical adhesive and the topical adhesive compositions of physical characteristic needs are provided, can use following preparation standard in addition.It should be noted that the most compositions that is used as topical adhesive has gelatinous basically structure, preferably gel.This comes from the following fact:
-key component is at room temperature for the plasticizer of liquid.
-macromole or polymers compositions are compared with less amount with plasticizer and are existed.In preferred embodiments, it forms the three-dimensional network that is formed by intermolecular physics or chemical bond.Useful especially secondary or physical bond is to contain those keys that exist in the system of inlay section thermal plastic elastic body.
The exemplary composition that topical adhesive may be used can be divided into three classes according to the character of key component (promptly normally liquid plasticizer):
1) hydrophobic (lipophilic) compositions, the blend of the oil of normally a kind of oil of plasticizer or plant or mineral sources wherein, polymer normally dissolves in or swells in the synthetic polymer in the oil, preferably elastomer.
2) mixed phase compositions, wherein hydrophobicity and hydrophilic component (may in plasticizer and polymer) form two or more separating mutually.In this case, emulsifier/surfactant preferably exists to form incompatible alternate stable emulsion with suitable content.For topical adhesive of the present invention, it is main preferably comparing hydrophobic components with hydrophilic component.
3) hydrophilic composition, normally water/glycerol/glycol etc. and/or its mixture of plasticizer wherein, and polymer phase be synthetic (as polyacrylic) or natural (as natural gum) source or its mixture.
What should emphasize is that different with the prior art field of being quoted with medical domain is hydrophobicity (lipophilic) and mixed phase compositions 1) and 2) be preferred in an application of the invention, preferred hydrophilic composition.
This part depends on technical reason, because the used many hydrophilic compositions of medical domain show too low elastic property and the cohesiveness useful to the present invention.Preferred other reason hydrophobic or the mixed phase compositions is that application of the present invention (particularly sanitary towel field) comprises the probability that topical adhesive contacts with the liquid that will absorb.Because liquid all is moisture class usually, will cause in a certain amount of body fluid suction topical adhesive so contact with hydrophilic topical adhesive.
Such result is rheologic behavio(u)r and its function that changes topical adhesive, causes antihygienic outward appearance.
And it is wet that hydrophilic topical adhesive also tends to be thought of as cold-peace, and it can not meet the expectation of ordinary consumer on being applied to people's skin the time.Other problem comes from and particularly contains water and have the trend that drying is fallen as the topical adhesive of plasticizer, unless they are sealed to impermeable packing material.
Have now found that the particularly preferred compositions that belongs to the hydrophobic composition first kind contains:
A) 3～15%, first copolymer polystyrene-block of preferred 5～10% weight-poly-(ethylene-random-butylene)-block-polystyrene, its three blocks content is higher than 70%, and styrene-content is higher than 25% weight, and molecular weight is higher than 60,000;
B) 0～9%, second copolymer polystyrene-block of preferred 0～6% weight-poly-(ethylene-random-butylene)-block-polystyrene, its three blocks content is less than 70%, and styrene-content is less than 20% weight, and molecular weight is less than 60,000.
First and second copolymer polystyrene-blocks-poly-(ethylene-random-butylene)-block-polystyrene is preferably selected from the styrene-block-copolymer of s-B-S, styrene-isoprene-phenylethene, styrene-ethylene-butylene-styrene, styrene-ethylene-propylene-styrene class.
C) 20～95%, the oil of preferred 30～60% weight, its alkane partly is higher than 50% weight, and aromatic portion is less than 5% weight, as plasticized compound.Oil can be selected from natural or artificial oil such as vegetable oil, mineral oil or its compositions.
D) 0～50%, the hydrogenation cyclic aliphatic tackifying resin of preferred 30～50% weight.The main effect of this resin is the Tg that adjusts based on synthetic polymer, and must be compatible with the diblock rubber thing of styrene copolymer.
E) additive of 0～10% weight.This class material can be the material that is used for conveniently and stablizes hydrophobic liquid plasticizer gel and gel formation process.These materials can be as C 8～C 22Fatty acid, its slaine and its polyoxy for derivant; Lanolin derivative; Silicon dioxide; Bentonite, montorillonite clay and derivant thereof; Polyamide, wax or its mixture.Also can contain the conventional additives for antiseptic, antioxidant, ultraviolet (UV) resistant agent, pigment, mineral filler, rheology change agent etc. known in the art.Preferably the consumption of antioxidant is 0.3～1% weight, and the consumption of gel stability material is 0～1% weight.
Using of topical adhesive
Can use absorbent device with this area any method commonly used, can use the topical adhesive of one preferred embodiment in these articles for use according to the present invention.It adhesive application to the top flat of these class articles for use, or more generally is used for articles for use can cause big problem for those of ordinary skills on the surface of skin, because can provide by any technique known that is generally used for other binding agent.The gross area towards skin or wearer's surface of the articles for use that covered with lipophilic adhesive by the part depends on the desired use of articles for use.In order to preserve binding agent, the area coverage of binding agent should not surpass towards 80% of wearer surface, preferably 30-60%.In the embodiment preferred of absorbent device, the gross area towards skin surface of the articles for use that covered by topical adhesive should not surpass 20%, preferably be not more than 10%.Preferably, binding agent is near the periphery of absorbent device, but (or when egative film is folded on the top flat) under the situation of membranaceous top flat, binding agent preferably is arranged on liquid-tight that a part of film.
If possible, articles for use also by be permeable steam at least, preferably air permeable provides breathability airtight to prevent.If not supporting breathability by topical adhesive itself, then breathability can be limited to the articles for use zone of uncoated binding agent.
Topical adhesive on the articles for use is preferably protected before use.This protection need be provided by paper release liner such as siliconization or that surfactant was handled, and condition is that this paper is peeled off from selected topical adhesive easily.
In an embodiment preferred, the present invention can be advantageously used on the disposable absorbent article, and these articles for use directly apply on the user skin.These articles for use usually to the medicated clothing that body fluid has absorbability, a protection user avoid staiing, user feels comfortably cool and produce easily and pack.Describe disposable absorbent article below with reference to sanitary towel or menopad, but term " disposable absorbent article " comprises medicated underpants lining, adult-incontinence articles or Sweat-absorbing cushion.Term used herein " sanitary towel " refers near be worn on the perineal region and planned to absorb and hold the multiple body fluid (as vaginal discharge, menstruation and/or urine) of discharging from health and once using the back to plan to throw away by the women articles for use.This disposable absorbent article is preferably thin, and most preferably 1～5mm is thick, can be flat basically before use or is preformed state.
Term used herein " connection " or " fixing " comprise wherein that first parts are directly connected to the configuration of second parts and wherein by first parts are connected on the intermediate member, thereby intermediate member is connected to the configuration that first parts on second parts are connected to second parts indirectly.
An embodiment preferred, sanitary towel of the present invention comprise liquid thoroughly top flat, be connected to liquid-tight egative film and the absorbent article core between top flat and egative film on the top flat.Sanitary towel has two first type surfaces, one be have topical adhesive with Body contact or towards wearer's surface, another be towards or the contact medicated clothing the surface.
Top flat is submissive, soft feel and non-stimulated to wearer's skin.Top flat also can have elastic performance, makes it extensible in one or two direction or its whole extension of some part of top flat.In addition, top flat is a liquid, allows liquid (as menstruation and/or urine) to see through its thickness easily.
The used preferred top flat of the present invention is selected from the nonwoven top flat and the porous formed film top flat of high loft usually.Porous formed film especially is preferred in the top flat, because they can see through bodily exudate, and does not absorb them, and liquid is returned and the trend of returning wet wearer's skin reduces.Therefore, the surface of the formed film that contacts with the wearer keeps dry, and therefore reduces health and is stain, for the wearer provides a more comfortable sensation.Suitable formed film is at USP 3,929, and 135, USP 4,324,246, USP4,342,314, be described among USP 4,463,045 and the USP 5,006,394.The porous formed film top flat of particularly preferred microcosmic is at USP 4,609,518 and USP 4,629,643 in done disclosure.The used preferred top flat of the present invention comprises the formed film of describing in above-mentioned one or more patent, and by TheProcter ﹠amp; (Cincinnati Ohio) sells with " DRI-WEAVE " in sanitary towel Gamble Company.
Topical adhesive is suitable for not having the monophasic fluid passage most and distributes, and only some top flat contains on the top flat of fluid passage.To such an extent as to this class top flat has central authorities' liquid thoroughly of the fluid passage top flat of distribution like this usually, and periphery liquid thoroughly.
Another kind of alternative plan is so-called hydridization top flat, and this top flat combines fibrous and membrane structure, and the useful especially embodiment of this class hydridization top flat has been done disclosure in PCT publication number WO 93/09744, WO 93/11725 or WO 93/11726.
When relating to top flat, consider multiple structure or single layer structure.A kind of multilamellar design that hydridization top flat above-mentioned comes to this, but also consider to use other multilamellar top flat as the secondary top flat design of advocating peace.
Absorbent article core also can contain multilamellar, and fluid storage and distribution function are provided.
Absorbent article core be usually located at top flat below, and with its fluid communication.Absorbent article core can contain any hygroscopic material commonly used or its combination.It preferably comprises sucting wet gel material and suitable carriers, and sucting wet gel material is commonly referred to " hydrogel ", " superabsorbent ", " hydrocolloid " material.
Suitable sucting wet gel material used herein is the most common to contain water-insoluble, crosslinked slightly substantially, the neutral polymer gel material of part.When contacting with water, this material forms hydrogel.This base polymer material can be prepared as acrylic acid by polymerisable, undersaturated acidiferous monomer well known in the art.
Suitable carriers comprises the material that is generally used for absorbent structure, as natural, modification or synthetic fibers, particularly is the modification of fine hair and/or tissue paper form or the cellulose fibre of non-modification.Suitable carriers can be used together with sucting wet gel material, but also can be used alone or in combination carrier.Concerning sanitary towel/scanties lining, most preferably tissue paper or tissue paper laminated product.
An embodiment that is specially adapted to implement absorbent article core of the present invention comprises tissue paper itself is folding and double-deck tissue paper laminated product that form.These layers can be connected to each other.Sucting wet gel material or other optional material can be included between these layers.
Absorbent article core can comprise the optional feature that is present in usually in the moisture absorption net, as odor control agent, and particularly suitable zeolite.
Egative film mainly prevents from the absorbent article core to absorb to get wet with the transudate that retains and contacts the article of absorbent product, as short underpants, medicated underpants, nightwear and underwear.Egative film is impenetrable liquid (as menstruation and/or urine) preferably, and is made by thin plastic usually.
Egative film extends through whole absorbent structure usually, can be by fold a part that extends on the top flat and form top flat along absorbent article core.Therefore, US4, the disclosed top flat configuration in 342,314 (the 16th hurdles, 47-62 is capable) can be issued to the situation that top flat carries out perforate need not selectivity.
Preferably, egative film is by being porous steam at least, but preferably air permeable provide breathability to absorbent device.Egative film can be a laminated material, as the combination of microporous membrane and/or non-woven material and/or porous formed film.Breathability (if desired) can be limited to the peripheral or central of egative film or it can be along whole egative film setting.
Embodiment 1
Use the Kraton G-1651 of 10% weight, it is a kind of cinnamic styrene/ethylene-butylene/styrene block copolymer that contains 33% weight available from Shell Co., with the Kaydol of 49% weight, it is a kind of compositions of preparing the oil base that is used for sanitary towel of the present invention available from the paraffin mineral oil of Witco Co..
And compositions contains the tackifying resin of 40% weight.Tackifying resin is Escorez 5300, and it is a kind of hydrogenant resin available from Exxon Co..
Use is available from the magnesium stearate of the Carlo Erba S.p.A gellant that helps as oil usefulness, and its consumption is 0.7% weight.
Add Irganox 1010, it is a kind of antioxidant available from Ciba-Geigy, and its consumption is 0.3% weight.
Therefore, compositions finally has following percentage composition:
Kraton G-1651 10.0% weight
Kaydol 49.0% weight
Escorez 5,300 40.0% weight
Magnesium stearate 0.7% weight
Irganox 1,010 0.3% weight
In the time of 37 ℃, compositions table reveals following rheological properties:
A) elastic modelling quantity when 1 radian per second, G ' 37=7038Pa;
B) viscous modulus when 1 radian per second, G " 37=487Pa;
C) the ratio G ' of elastic modelling quantity and viscous modulus when 1 radian per second 37/ G " 37=14.45;
D) ratio
Figure A9718184900161
＝1.11；
E) ratio △ G ' 37/ G ' 37(1 radian per second) is 0.291, △ G ' 37=2051Pa.
In sanitary towel, test above-mentioned composition, when it begins to be applied on the skin responsive, hirsutism and when described skin was removed, above-mentioned composition was judged as comfortable.Comparative Examples
Use the Kraton G-1651 of 7.1% weight, it is a kind of styrene/ethylene-butylene/styrene block copolymer of purchasing in Shell Co. that contains 33% weight styrene, with the Kaydol of 41.9% weight, it is that a kind of paraffin mineral oil available from Witco Co. is prepared correlated oil-based composition.
And compositions contains 704 parts of per 100 parts of Kraton polymer of tackifying resin.Tackifying resin is Regalrez 3102, and it is a kind of hydrocarbon resin available from Hercules Co..
Use is available from the magnesium stearate of the Carlo Erba S.p.A gellant that helps as oil usefulness, and its consumption is 0.7% weight.
Add Irganox 1010, it is a kind of antioxidant available from Ciba-Geigy, and its consumption is 0.3% weight.
So compositions finally has following percentage composition:
Kraton G-1651 7.1% weight
Kaydol 41.9% weight
Regalrez 3,102 50.0% weight
Magnesium stearate 0.7% weight
Irganox 1,010 0.3% weight
In the time of 37 ℃, compositions table reveals following rheological property:
A) elastic modelling quantity when 1 radian per second, G ' 37=3059Pa;
B) viscous modulus when 1 radian per second, G " 37=1208Pa;
C) the ratio G ' of elastic modelling quantity and viscous modulus when 1 radian per second 37/ G " 37=2.53;
D) ratio
Figure A9718184900171
＝-2.87；
E) ratio △ G ' 37/ G ' 37(1 radian per second) is 3.944, △ G ' 37=12064.7Pa.
Above-mentioned composition is judged as very uncomfortable when the skin of forearm is peeled off.It is unacceptable being administered on the skin of responsive hirsutism.

Claims (5)

1. one kind is fixed to lipophilic topical adhesive on the skin with articles for use, and described topical adhesive contains:
3～15%, first copolymer polystyrene-block of preferred 5～10% weight-poly-(ethylene-random-butylene)-block-polystyrene, its three blocks content is higher than 70%, and styrene-content is higher than 25% weight, and molecular weight is higher than 60,000;
0～9%, second copolymer polystyrene-block of preferred 0～6% weight-poly-(ethylene-random-butylene)-block-polystyrene, its three blocks content is less than 70%, and styrene-content is less than 20% weight, and molecular weight is less than 60,000;
20～95%, the oil of preferred 30～60% weight, its alkane partly is higher than 50% weight, and aromatic portion is less than 5% weight, as plasticized compound;
0～50%, the hydrogenation cyclic aliphatic tackifying resin of preferred 30～50% weight;
The additive of 0～10% weight, as antioxidant or gel stability material, the gel stability material of the antioxidant of preferred 0.3～1% weight and 0～1% weight.
2. according to the lipophilic topical adhesive of claim 1, wherein:
Each of first and second copolymer polystyrene-blocks-poly-(ethylene-random-butylene)-block-polystyrene is selected from the styrene-block-copolymer of s-B-S, styrene-isoprene-phenylethene, styrene-ethylene-butylene-styrene and styrene-ethylene-propylene-styrene class;
Grease separation is from natural or artificial oil such as vegetable oil, mineral oil or its combination;
Described additive is selected from: C 8～C 22Fatty acid, its slaine and its polyoxy for derivant; Lanolin derivative; Silicon dioxide; Bentonite, montorillonite clay and derivant thereof; Polyamide, wax or its mixture.
3. according to the lipophilic topical adhesive of claim 1 or 2, the glass transition temperature Tg of wherein said binding agent is less than-15 ℃, preferably less than-20 ℃, most preferably less than-25 ℃.
4. according to each lipophilic topical adhesive among the claim 1-3, wherein said articles for use are disposable absorbent articles.
5. according to each the application of lipophilic topical adhesive on sanitary towel or scanties lining among the claim 1-4.
CN97181849A 1996-12-23 1997-12-22 Lipophilic adhesive for secure topical attachment to skin and comfortable removal Pending CN1246067A (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
EP96120738.8 1996-12-23
EP96120738A EP0850619A1 (en) 1996-12-23 1996-12-23 Disposable absorbent article for topical adhesive attachment to the skin of a wearer
EP97110730A EP0853934A1 (en) 1996-12-23 1997-07-01 Disposable absorbent article for secure topical adhesive attachment to the skin of a wearer and comfortable removal
EP97110730.5 1997-07-01
EP97120338A EP0855190A1 (en) 1996-12-23 1997-11-20 Adhesive for secure topical attachment to the skin and comfortable removal, particularly of absorbent articles
EP97120337.7 1997-11-20
EP97120338.5 1997-11-20
EP97120337A EP0850649A1 (en) 1996-12-23 1997-11-20 Adhesive for application of functional articles to the skin and comfortable removal of such articles

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EP0948368A1 (en) 1999-10-13
AU5619598A (en) 1998-07-17
EP0948364A1 (en) 1999-10-13
JP2001507591A (en) 2001-06-12
CA2275898A1 (en) 1998-07-02
AU5801498A (en) 1998-07-17
WO1998028018A1 (en) 1998-07-02
WO1998028015A1 (en) 1998-07-02
CN1246063A (en) 2000-03-01
WO1998028022A1 (en) 1998-07-02
CA2275772A1 (en) 1998-07-02
KR20000069677A (en) 2000-11-25
AU5385398A (en) 1998-07-17
CN1246066A (en) 2000-03-01
KR20000069657A (en) 2000-11-25
CA2275990A1 (en) 1998-07-02
KR20000069690A (en) 2000-11-25
EP0946213A1 (en) 1999-10-06
JP2001507962A (en) 2001-06-19
JP2000505702A (en) 2000-05-16

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