RU2016107222A - Микрочастицы, характеризующиеся многомодальным распределением пор - Google Patents

Микрочастицы, характеризующиеся многомодальным распределением пор Download PDF

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RU2016107222A
RU2016107222A RU2016107222A RU2016107222A RU2016107222A RU 2016107222 A RU2016107222 A RU 2016107222A RU 2016107222 A RU2016107222 A RU 2016107222A RU 2016107222 A RU2016107222 A RU 2016107222A RU 2016107222 A RU2016107222 A RU 2016107222A
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microparticle
polymer
subject
microinclusion
microparticle according
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Василий А. ТОПОЛКАРАЕВ
Нил Т. ШОЛ
Райан Дж. МАКИНИНИ
Томас А. ЭБИ
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Кимберли-Кларк Ворлдвайд, Инк.
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
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    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/042—Nanopores, i.e. the average diameter being smaller than 0,1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/044—Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/048—Bimodal pore distribution, e.g. micropores and nanopores coexisting in the same foam
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/16—Biodegradable polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
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    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/16—Ethene-propene or ethene-propene-diene copolymers

Claims (28)

1. Микрочастица, содержащая полимерный материал, где полимерный материал образован из термопластичной композиции, содержащей непрерывную фазу, которая включает матричный полимер, и при этом полимерная добавка микровключения и полимерная добавка нановключения диспергированы в непрерывной фазе в форме дискретных доменов, дополнительно где в материале определяется поровая сеть, которая содержит множество нанопор и микропор.
2. Микрочастица по п.1, где микропоры характеризуются средним размером поперечного сечения от 0,5 до 30 мкм.
3. Микрочастица по п.1 или 2, где нанопоры характеризуются средним размером поперечного сечения от 1 до 500 нм.
4. Микрочастица по п.1, где средний объем пор материала составляет от 15 до 80% на см3.
5. Микрочастица по п.1, где нанопоры составляют 20 об.% или больше от общего объема пор материала.
6. Микрочастица по п.1, где непрерывная фаза составляет от 60 до 99 вес.% термопластичной композиции.
7. Микрочастица по п.1, где матричный полимер включает сложный полиэфир, такой как полимолочная кислота, характеризующийся температурой стеклования 0°С или больше.
8. Микрочастица по п.1, где полимерная добавка микровключения является полиолефином.
9. Микрочастица по п.1, где отношение параметра растворимости матричного полимера к параметру растворимости добавки микровключения составляет от 0,5 до 1,5, отношение показателя текучести расплава матричного полимера к показателю текучести расплава добавки микровключения составляет от 0,2 до 8 и/или отношение модуля упругости Юнга матричного полимера к модулю упругости Юнга добавки микровключения составляет от 1 до 250.
10. Микрочастица по п.1, где полимерная добавка нановключения является полиэпоксидом.
11. Микрочастица по п.1, где добавка микровключения составляет от 1 до 30 вес.% композиции исходя из веса непрерывной фазы и/или добавка нановключения составляет от 0,05 до 20 вес.% композиции исходя из веса непрерывной фазы.
12. Микрочастица по п.1, где термопластичная композиция дополнительно содержит модификатор поверхности раздела фаз.
13. Микрочастица по п.1, где микрочастица характеризуется медианным размером от 1 до 2000 мкм.
14. Микрочастица по п.1, дополнительно содержащая активное средство, находящееся в контакте с полимерным материалом.
15. Микрочастица по п.14, где активное средство представляет собой медиатор клеточной адгезии или противомикробное активное средство.
16. Способ лечения заболевания у субъекта, причем способ включает введение субъекту микрочастицы по п.1, причем микрочастица содержит активное средство.
17. Способ по п.16, где микрочастицу вводят в орган и/или ткань субъекта.
18. Способ контроля заболевания у субъекта, причем способ включает введение субъекту микрочастицы по п.1, причем микрочастица содержит активное средство.
19. Способ по п.18, где микрочастицу вводят в орган и/или ткань субъекта.
20. Способ предупреждения заболевания у субъекта, причем способ включает введение субъекту микрочастицы по п.1, причем микрочастица содержит активное средство.
21. Способ по п.20, где микрочастицу вводят в орган и/или ткань субъекта.
22. Впитывающее изделие, содержащее микрочастицу по п.1.
23. Способ образования микрочастицы, причем способ включает:
смешивание в расплаве матричного полимера, полимерной добавки микровключения и полимерной добавки нановключения с образованием термопластичной композиции, где композиция содержит дискретные домены полимерной добавки микровключения и полимерной добавки нановключения, диспергированные в непрерывной фазе, которая включает матричный полимер;
образование полимерного материала из термопластичной композиции;
растягивание полимерного материала с обеспечением поровой сети, которая содержит множество нанопор и микропор, и
преобразование растянутого полимерного материала в микрочастицу.
24. Способ по п.23, где растягивание осуществляют при температуре от -50 до 125°С.
RU2016107222A 2013-08-09 2014-07-09 Микрочастицы, характеризующиеся многомодальным распределением пор RU2630135C2 (ru)

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US201361863947P 2013-08-09 2013-08-09
US61/863,947 2013-08-09
PCT/IB2014/062977 WO2015019213A1 (en) 2013-08-09 2014-07-09 Microparticles having a multimodal pore distribution

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US (1) US10889696B2 (ru)
EP (1) EP3030609B1 (ru)
JP (1) JP6083885B2 (ru)
KR (1) KR101831079B1 (ru)
CN (1) CN105408404B (ru)
AU (1) AU2014304191B2 (ru)
BR (1) BR112016001993B1 (ru)
MX (1) MX2016001386A (ru)
RU (1) RU2630135C2 (ru)
WO (1) WO2015019213A1 (ru)

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US20160168349A1 (en) 2016-06-16
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EP3030609A4 (en) 2017-01-25
JP6083885B2 (ja) 2017-02-22
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EP3030609B1 (en) 2020-09-02
AU2014304191B2 (en) 2017-06-01
WO2015019213A4 (en) 2015-04-09
BR112016001993B1 (pt) 2021-11-30
BR112016001993A2 (pt) 2017-08-01
US10889696B2 (en) 2021-01-12
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MX2016001386A (es) 2016-05-05
RU2630135C2 (ru) 2017-09-05

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