JP6698684B2 - ホットメルト接着剤組成物およびその使用 - Google Patents
ホットメルト接着剤組成物およびその使用 Download PDFInfo
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- JP6698684B2 JP6698684B2 JP2017549221A JP2017549221A JP6698684B2 JP 6698684 B2 JP6698684 B2 JP 6698684B2 JP 2017549221 A JP2017549221 A JP 2017549221A JP 2017549221 A JP2017549221 A JP 2017549221A JP 6698684 B2 JP6698684 B2 JP 6698684B2
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- hot melt
- polymer
- melt adhesive
- polypropylene
- adhesive
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- 239000008188 pellet Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229920006126 semicrystalline polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- HLWRUJAIJJEZDL-UHFFFAOYSA-M sodium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate Chemical compound [Na+].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC([O-])=O HLWRUJAIJJEZDL-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000004628 starch-based polymer Substances 0.000 description 1
- 229940037312 stearamide Drugs 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229920000428 triblock copolymer Polymers 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/10—Homopolymers or copolymers of propene
- C09J123/14—Copolymers of propene
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
-
- 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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/10—Homopolymers or copolymers of propene
-
- 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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
-
- 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
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
-
- 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
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/542—Shear strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Materials Engineering (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Textile Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Description
(a)約5〜約40重量%のポリプロピレン−ポリエチレン(コ)ポリマーであって、(i)前記(コ)ポリマーの約70〜約95重量%のプロピレン含量、(ii)約3.0未満の多分散度(Mw/Mn)の値、(iii)ASTM D1238に従って230℃/2.16kgで測定された、約20〜約300g/10分のメルトフローレート、(iv)ASTM 3418に従って測定された約90℃未満の融点、および(v)ASTM D3418−12に従って、10℃/分の加熱及び冷却速度で測定された約35J/g未満の融解熱値を有する、ポリプロピレン−ポリエチレン(コ)ポリマー;
(b)約30〜約70重量%の粘着付与剤;ならびに
(c)任意に約30重量%までのワックスまたは可塑剤
を含む。
該接着剤は、140℃、10rad/sにおいて約30より大きいtanδ値、およびASTM3236−88に従って測定された、150℃において約2,000〜約11,000cpsの溶融(ブルックフィールド)粘度を有する。
(a)約5〜約40重量%のポリプロピレン−ポリエチレン(コ)ポリマーであって、(i)前記(コ)ポリマーの約70〜約95重量%のプロピレン含量、(ii)約3.0未満の多分散度(Mw/Mn)の値、(iii)ASTM D1238に従って230℃/2.16kgで測定された、約20〜約300g/10分のメルトフローレート、(iv)ASTM 3418に従って測定された約90℃未満の融点、および(v)ASTM D3418−12に従って、10℃/分の加熱及び冷却速度で測定された約35J/g未満の融解熱値を有する、ポリプロピレン−ポリエチレン(コ)ポリマー;
(b)約30〜約70重量%の粘着付与剤;ならびに
(c)約50重量%までの非晶質ポリアルファオレフィンポリマー;ならびに
(d)任意に約30重量%までのワックスまたは可塑剤
から本質的になる。
該接着剤は、140℃、10rad/sにおいて約30より大きいtanδ値、およびASTM3236−88に従って測定された、150℃において約2,000〜約11,000cpsの溶融(ブルックフィールド)粘度を有する。
Tanδ=G”/G’(140℃において)。
(1)試料の端から1インチの位置に試料の幅2インチにわたって線を作るように試料にペンでマークをつける。(2)長さ6インチ、幅2インチのマスキングテープ1つ(Paperworks社製、pwi−inc.comからのCorporate Express、MFG#CEB1X60TN、またはこれの同等品)をフィルム側全体に固定する;(3)ペンのマークと試料の端部との間の2in2の領域でサンプルを少しずつ伸ばして、フィルムからの不織繊維の剥離を開始させる。(4)剥離を開始させるために引き伸ばされた試料の端部に、試料の上2インチ幅の上を横切って中央に、長さ4インチ、幅1インチのマスキングテープを1つ固定し、テープを加圧して試料に結合させる。テープは、不織布の反対側の2インチ幅の表面に置かれる。このテープは、ステップ5および6が完了した後のT−剥離試料のフィルム部分を支持する。(5)ペンマークと試料の端の間の2in2の領域で、不織布の側のフィルムから繊維を慎重に引き抜く。十分に結合された試料については、これは、ペンのマークに近づく方向に消しゴムを用いて緩やかに試料を擦ることによって達成することができる。(6)ペンマークまで、不織布をフィルムから慎重に剥離する。(7)T−剥離試料の不織部分を形成する、試料から意図的に剥離された不織繊維の上部2インチの幅を横切って中央に、長さ4インチ、幅1インチの第2のテープ1つを配置する。T剥離試験を行うには、下部グリップに取り付けられたT剥離試料の不織部分と、上部グリップに取り付けられたT剥離試料のフィルム部分とを有するT剥離構成中のグリップに試料を取り付ける。試料は、たるみが最小であり、測定された力が約0.02N未満であるような形でグリップに取り付けられる。クロスヘッドは12インチ/分の一定のクロスヘッド速度で上昇し、試料は、それぞれの材料(不織繊維およびフィルム)が完全に分離するまで剥がされる。力および伸長のデータは、剥離中に50Hzの速度で取得される。最初の8インチの伸びの間の剥離力(g)は、モードI結合強度として報告される。
結合強度[g/in]=平均剥離力[g]/試験片の幅[in]
Claims (10)
- ホットメルト接着剤であって、
(a)5〜40重量%のポリプロピレン−ポリエチレン(コ)ポリマーであって、(i)前記(コ)ポリマーの70〜95重量%のプロピレン含量、(ii)3.0未満の多分散(Mw/Mn)指数、(iii)ASTM D1238に従って230℃/2.16kgで測定された、20〜300g/10分のメルトフローレート、(iv)ASTM 3418に従って測定された90℃未満の融点、および(v)ASTM D3418−12に従って、10℃/分の加熱及び冷却速度で測定された35J/g未満の融解熱値を有する、ポリプロピレン−ポリエチレン(コ)ポリマー;
(b)30〜70重量%の粘着付与剤;ならびに
(c)任意に30重量%までのワックスまたは可塑剤;
を含み、
前記接着剤が、(i)140℃、10rad/sにおいて30より大きいtan(δ)値および(ii)ASTM3236−88に従って測定された、150℃において2,000〜11,000mPa・s(cps)の溶融粘度を有する、ホットメルト接着剤。 - 前記ポリプロピレン−ポリエチレン(コ)ポリマーは、(i)前記(コ)ポリマーの75〜92重量%のプロピレン含量、(ii)2.5未満の多分散指数、(iii)70℃未満の融点、および(iv)20J/g未満の融解熱値を有する、請求項1に記載のホットメルト接着剤。
- 前記粘着付与剤が、C5樹脂、石油蒸留物、水素化炭化水素、C5/C9樹脂、C9樹脂、ポリテルペン、ロジン、水素化ロジン、ロジンエステル、およびそれらの混合物からなる群から選ばれる、請求項1に記載のホットメルト接着剤。
- 前記ワックスが、パラフィン、マイクロクリスタリン、ポリエチレン、ポリプロピレンフィッシャートロプシュワックス、酸化フィッシャートロプシュ、官能化ワックス、およびそれらの混合物からなる群から選択される、請求項1に記載のホットメルト接着剤。
- 前記可塑剤が、ポリブテン、ポリイソブチレン、パラフィン油、ナフテン油、フタレート、ベンゾエート、アジピン酸エステル、鉱油、脂肪族油、芳香族油、長鎖部分エーテルエステル、アルキルモノエステル、エポキシ化油、ジアルキルジエステル、芳香族ジエステル、アルキルエーテルモノエステルおよびそれらの混合物からなる群から選択される、請求項1に記載のホットメルト接着剤。
- ホットメルト接着剤であって、
(a)15〜25重量%のポリプロピレン−ポリエチレン(コ)ポリマーであって、(i)前記(コ)ポリマーの81〜91重量%のプロピレン含量、(iii)40〜150g/10分のメルトフローレート、(iv)65℃未満の融点、および(v)20J/g未満の融解熱値を有する、ポリプロピレン−ポリエチレン(コ)ポリマー;
(b)50〜60重量%の粘着付与剤;ならびに
(c)25〜30重量%のワックスまたは可塑剤を含み、
前記接着剤は、(i)2.5g/m 2 (gsm)アドオンでの39.4g/cm(100g/in)を超える初期および老化結合強度の両方、ならびに(ii)2.5g/m 2 (gsm)アドオンで300秒を超える静的剥離時間によるグリーン強度を有する、請求項1に記載のホットメルト接着剤。 - ホットメルト接着剤であって、
(a)5〜40重量%のポリプロピレン−ポリエチレン(コ)ポリマーであって、(i)前記(コ)ポリマーの70〜95重量%のプロピレン含量、(ii)3.0未満の多分散(Mw/Mn)指数、(iii)ASTM D1238に従って230℃/2.16で測定された、20〜300g/分のメルトフローレート、(iv)ASTM 3418に従って測定された90℃未満の融点、および(v)ASTM D3418−12に従って、10℃/分の加熱及び冷却速度で測定された35J/g未満の融解熱値を有する、ポリプロピレン−ポリエチレン(コ)ポリマー;
(b)30〜70重量%の粘着付与剤
(c)1〜50重量%の非晶質ポリアルファオレフィンポリマー;ならびに
(d)1〜30重量%のワックスおよび/または可塑剤;
から本質的になり、
前記接着剤が、(i)140℃、10rad/sにおいて30より大きいtan(δ)値、および(ii)ASTM3236−88に従って測定される、150℃において2,000〜11,000mPa・s(cps)の溶融粘度を有する、ホットメルト接着剤。 - 前記ポリプロピレン−ポリエチレン(コ)ポリマーが、(i)前記(コ)ポリマーの75〜92重量%のプロピレン含量、(ii)2.5未満の多分散指数、(iii)70℃未満の融点、および(iv)20J/g未満の融解熱値を有する、請求項7に記載のホットメルト接着剤。
- 2つの基材の間に介在する請求項1に記載の接着剤を含む、物品。
- 結合された物品を形成する方法であって、
1)第1の基材の少なくとも一部分に、155℃以下の温度で、0.1〜10g/m 2 (gsm)のアドオンレベルで、請求項1記載のホットメルト接着剤組成物を噴霧する工程;
2)第2の基材を前記ホットメルト接着剤上に適用する工程;および
3)前記ホットメルト接着剤組成物を室温まで冷却する工程を含む、方法。
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PCT/US2016/018863 WO2016153663A1 (en) | 2015-03-20 | 2016-02-22 | Hot melt adhesive composition and use thereof |
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