JP6243034B2 - ホットメルト接着剤 - Google Patents
ホットメルト接着剤 Download PDFInfo
- Publication number
- JP6243034B2 JP6243034B2 JP2016535026A JP2016535026A JP6243034B2 JP 6243034 B2 JP6243034 B2 JP 6243034B2 JP 2016535026 A JP2016535026 A JP 2016535026A JP 2016535026 A JP2016535026 A JP 2016535026A JP 6243034 B2 JP6243034 B2 JP 6243034B2
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- absorbent article
- amorphous polymer
- hot melt
- melt 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.)
- Expired - Fee Related
Links
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- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
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- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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- 239000004970 Chain extender Substances 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 2
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
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- ZWVMLYRJXORSEP-LURJTMIESA-N (2s)-hexane-1,2,6-triol Chemical compound OCCCC[C@H](O)CO ZWVMLYRJXORSEP-LURJTMIESA-N 0.000 description 1
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1-dodecene Chemical compound CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 1
- GOLORTLGFDVFDW-UHFFFAOYSA-N 3-(1h-benzimidazol-2-yl)-7-(diethylamino)chromen-2-one Chemical compound C1=CC=C2NC(C3=CC4=CC=C(C=C4OC3=O)N(CC)CC)=NC2=C1 GOLORTLGFDVFDW-UHFFFAOYSA-N 0.000 description 1
- YZJQVHFPDOVMAL-UHFFFAOYSA-N 3-N-(2,3,4,5-tetramethylphenyl)benzene-1,2,3-triamine Chemical class CC=1C(=C(C(=C(C=1)NC1=C(C(=CC=C1)N)N)C)C)C YZJQVHFPDOVMAL-UHFFFAOYSA-N 0.000 description 1
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- JKTORXLUQLQJCM-UHFFFAOYSA-N 4-phosphonobutylphosphonic acid Chemical compound OP(O)(=O)CCCCP(O)(O)=O JKTORXLUQLQJCM-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
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- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Natural products CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
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- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
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- YICCTZQUAAGDTO-UHFFFAOYSA-N but-1-ene Chemical compound CCC=C.CCC=C YICCTZQUAAGDTO-UHFFFAOYSA-N 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
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- IAQRGUVFOMOMEM-ARJAWSKDSA-N cis-but-2-ene Chemical compound C\C=C/C IAQRGUVFOMOMEM-ARJAWSKDSA-N 0.000 description 1
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- QHZOMAXECYYXGP-UHFFFAOYSA-N ethene;prop-2-enoic acid Chemical compound C=C.OC(=O)C=C QHZOMAXECYYXGP-UHFFFAOYSA-N 0.000 description 1
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- 150000004989 p-phenylenediamines Chemical class 0.000 description 1
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- KBVBZJLGCBJUSU-UHFFFAOYSA-N stilbene;triazine Chemical compound C1=CN=NN=C1.C=1C=CC=CC=1C=CC1=CC=CC=C1 KBVBZJLGCBJUSU-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
-
- 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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
-
- 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
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- C—CHEMISTRY; METALLURGY
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- Absorbent Articles And Supports Therefor (AREA)
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Description
本出願は、2013年12月出願の米国特許仮出願第61/918,434号の利益を主張するものであり、この仮出願は、参照により本明細書に組み込まれる。
[−C(CH3)2−CH2−]n
として表すことができ、
式中、nは15〜75である。ポリイソブチレンなどの好ましい材料は、約200〜20,000m、約200〜5,000又は500〜3,000の分子量を伴う粘稠液体である。好ましい液体材料は、100℃で約100〜20,000のセイボルトユニバーサル秒(SUS)(Saybolt Universal seconds viscosity)粘度を有する。ポリイソブチレンに特有の特徴は、ガス透過性が低く、酸、アルカリ及び塩溶液の作用に対する耐性が高いことに加えて、誘電率が高いことである。これらの特徴は、太陽光又は紫外線の作用下で徐々に低下する(カーボンブラックを添加することによりこの過程は遅くなる。)産業上、ポリイソブチレンは、−80℃〜−100℃の温度でモノマーのイオン重合(AlCl3触媒)により製造される。これらは、ゴム産業で通常使用されている装置を使用して加工される。ポリイソブチレンは、天然又は合成ゴム、ポリエチレン、ポリ塩化ビニル、及びフェノール−ホルムアルデヒド樹脂と容易に混ざり合う。
第1非晶性コポリマー、第2相溶性コポリマー及び酸化防止剤を高温の混合条件にてブレンドすることにより完全に均質な溶解物を形成し、多数のホットメルト接着剤組成物を調製した。必要に応じて混合温度を約135〜約200℃、好ましくは約150〜約175℃の間で変化させ、均質性を得た。加熱した容器中で最終接着剤組成物を完全に均質化するため、在来型の加熱式撹拌ブレード(WiseStir、(登録商標))ミキサーを使用した。
ホットメルト接着剤組成物を後述するように溶融混練することによって配合した。特定の成分及び成分の量を次の表2に示す。
ホットメルト接着剤組成物を、後述のように溶解混錬により配合する。特定の成分及び成分の量を次表3に示す。
Claims (17)
- 液体透過性の内層、液体不透過性の外層、及びそれらの間の吸収層を具備する吸収性物品であって、
以下を含むホットメルト接着剤組成物をさらに含む、吸収性物品。
(i)40%超の1−ブテンを含む第1非晶性ポリマー、及び
(ii)少なくとも1種のブタンモノマーを含む第2非晶性ポリマーであって、前記第1非晶性ポリマーと相溶性がある少なくとも分子量(MWn)1,000を有するポリマー。 - 前記内層が不織布を具備する、請求項1に記載の吸収性物品。
- 前記外層がポリマーフィルムを具備する、請求項1に記載の吸収性物品。
- 不織布層を具備する別の外層を具備する、請求項1に記載の吸収性物品。
- 前記物品が、不織布を具備する内層と、ポリマーフィルムを含む多層構造を具備する外層との間の接着結合を含む、請求項1に記載の吸収性物品。
- 前記ホットメルト接着剤が内層と外層とを接着させる、請求項1に記載の吸収性物品。
- 前記物品が、乳幼児用おむつ、成人用おむつ、及び女性用衛生パッドからなる群から選択される、請求項1に記載の吸収性物品。
- 前記接着剤が、粘着付与剤を含まない、請求項1に記載の吸収性物品。
- 前記第2非晶性ポリマーが、分子量約200〜20,000及び100℃で約100〜20,000のセイボルトユニバーサル秒(SUS)粘度を有する粘稠液体を含む、請求項1に記載の吸収性物品。
- 前記第1非晶性ポリマーが、70モル%〜30モル%の、エチレン、プロペン又は少なくとも1種のC5〜10アルファ−オレフィンモノマーから誘導される単位を含む、請求項1に記載の吸収性物品。
- 前記第2非晶性ポリマーが、分子量1,500〜6,000のポリイソブチレンを含む、請求項1に記載の吸収性物品。
- 前記接着剤が、約50〜90重量%の非晶性ポリマー及び約10〜50重量%のポリイソブチレンを含む、請求項1に記載の吸収性物品。
- 接着剤の密度が0.9g/cm3未満である、請求項1に記載の吸収性物品。
- 第1基材、第2基材、及び第1基材と第2基材とを互いに接着させるホットメルト接着剤組成物を具備する使い捨て吸収性物品であって、前記ホットメルト接着剤は以下を含む吸収性物品。
(i)40%超の1−ブテンを含む第1非晶性ポリマー、及び
(ii)少なくとも1種のブタンモノマーを含む第2非晶性ポリマーであって、前記第1非晶性ポリマーと相溶性がある少なくとも分子量(MWn)1,000を有するポリマー。 - 第1基材が不織布を含み、かつ第2基材がポリマーフィルムを含む、請求項1に記載の吸収性物品。
- 液体透過性の内層、液体不透過性の外層、及びそれらの間の吸収層を具備する吸収性物品であって、
以下からなるホットメルト接着剤組成物をさらに含む、吸収性物品。
(i)40%超の1−ブテンを含む第1非晶性ポリマー、及び
(ii)少なくとも1種のブタンモノマーを含む第2非晶性ポリマーであって、前記第1非晶性ポリマーと相溶性がある少なくとも分子量(MWn)1,000を有するポリマー。 - 第1基材、第2基材、及び第1基材と第2基材とを互いに接着させるホットメルト接着剤組成物を具備する使い捨て吸収性物品であって、前記ホットメルト接着剤は以下からなる吸収性物品。
(i)40%超の1−ブテンを含む第1非晶性ポリマー、及び
(ii)少なくとも1種のブタンモノマーを含む第2非晶性ポリマーであって、前記第1非晶性ポリマーと相溶性がある少なくとも分子量(MWn)1,000を有するポリマー。
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US14/302,736 US20150174281A1 (en) | 2013-12-19 | 2014-06-12 | Hot melt adhesive |
US14/302,736 | 2014-06-12 | ||
PCT/US2014/069985 WO2015094959A1 (en) | 2013-12-19 | 2014-12-12 | Hot melt adhesive |
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JP2016535026A Expired - Fee Related JP6243034B2 (ja) | 2013-12-19 | 2014-12-12 | ホットメルト接着剤 |
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JP2018151889A Active JP6707588B2 (ja) | 2013-12-19 | 2018-08-10 | 粘着剤を含まない接着剤を有する吸収性物品 |
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US8865824B2 (en) | 2012-09-19 | 2014-10-21 | IFS Industries Inc. | Hot melt adhesive |
US10639210B2 (en) | 2013-12-19 | 2020-05-05 | The Procter & Gamble Company | Article with tackifier-free adhesive |
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