Closure systems with self-adhering adhesives, and articles
First Claim
Patent Images
1. A closure system comprising:
- at least two opposing closure elements that are capable of overlapping to form an adhesive closure; and
a self-adhering adhesive composition on each of the closure elements;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer; and
wherein the self-adhering adhesive composition has a T-peel of at least 100 grams per centimeter.
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Abstract
Closure systems containing self-adhering adhesives that include: at least two opposing closure elements at (e.g., separate locations on an article such as a disposable diaper) that are capable of overlapping to form an adhesive closure; and a self-adhering adhesive composition on each of the closure elements; wherein the self-adhering adhesive composition includes: 50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer; 10 wt-% to 40 wt-% of a wax; 0 to less than 5 wt-% of a plasticizer; wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer, and wherein at least one of the following statements is true: the self-adhering adhesive composition has a T-peel of at least 100 grams per cm; or the wax has a molecular weight of less than 1500.
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Citations
40 Claims
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1. A closure system comprising:
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at least two opposing closure elements that are capable of overlapping to form an adhesive closure; and
a self-adhering adhesive composition on each of the closure elements;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer; and
wherein the self-adhering adhesive composition has a T-peel of at least 100 grams per centimeter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A closure system comprising:
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at least two opposing closure elements that are capable of overlapping to form an adhesive closure; and
a self-adhering adhesive composition on each of the closure elements;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax having a molecular weight of less than 1500;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A closure system comprising:
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at least two opposing closure elements that are capable of overlapping to form an adhesive closure; and
a self-adhering adhesive composition on each of the closure elements;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 30 wt-% of a wax having a molecular weight of less than 1500;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer; and
wherein the self-adhering adhesive composition has a T-peel of at least 100 grams per cm, a shear adhesion value of at least 100 minutes, a loop tack steel-adhesion of no greater than 40 grams per square centimeter, and a thumb tack of no greater than 3.
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33. A disposable diaper comprising:
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at least two opposing closure elements at separate locations on the disposable diaper that are capable of overlapping to form an adhesive closure; and
a self-adhering adhesive composition on each of the closure elements;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer; and
wherein the self-adhering adhesive composition has a T-peel of at least 100 grams per cm.
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34. A disposable diaper comprising:
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at least two opposing closure elements at separate locations on the disposable diaper that are capable of overlapping to form an adhesive closure; and
a self-adhering adhesive composition on each of the closure elements;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax having a molecular weight of less than 1500;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer.
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35. A bag comprising:
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at least two regions of the bag having a layer of a self-adhering adhesive composition disposed thereon at separate locations in a manner such that the regions are capable of overlapping to form an adhesive closure;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer; and
wherein the self-adhering adhesive composition has a T-peel of at least 100 grams per cm.
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36. A bag comprising:
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at least two regions of the bag having a layer of a self-adhering adhesive composition disposed thereon at separate locations in a manner such that the regions are capable of overlapping to form an adhesive closure;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax having a molecular weight of less than 1500;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer.
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37. A banding system comprising:
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at least two strips of a banding material with at least two regions of a self-adhering adhesive composition disposed thereon at separate locations in a manner such that the regions of adhesive are capable of overlapping to form an adhesive closure;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer; and
wherein the self-adhering adhesive composition has a T-peel of at least 100 grams per cm.
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38. A banding system comprising:
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at least two strips of a banding material with at least two regions of a self-adhering adhesive composition disposed thereon at separate locations in a manner such that the regions of adhesive are capable of overlapping to form an adhesive closure;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax having a molecular weight of less than 1500;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer.
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39. A banding tape comprising:
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a strip of a banding material with at least one region of a self-adhering adhesive composition disposed thereon in a manner such that the at least one region of adhesive is capable of overlapping to form an adhesive closure; and
a self-adhering adhesive composition of the closure;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer; and
wherein the self-adhering adhesive composition has a T-peel of at least 100 grams per cm.
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40. A banding tape comprising:
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a strip of a banding material with at least one region of a self-adhering adhesive composition disposed thereon in a manner such that the at least one region of adhesive is capable of overlapping to form an adhesive closure; and
a self-adhering adhesive composition of the closure;
wherein the self-adhering adhesive composition comprises;
50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer;
10 wt-% to 40 wt-% of a wax having a molecular weight of less than 1500;
0 to less than 5 wt-% of a plasticizer;
wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer.
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Specification
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Current Assignee3M Innovative Properties Company (3M Company)
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Original Assignee3M Innovative Properties Company (3M Company)
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InventorsMa, Jing Jing, Everaerts, Albert I., Wang, Shou-Lu G.
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Application NumberUS10/388,037Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current428/355RACPC Class CodesA61F 13/58 Adhesive tab fastener eleme...C09J 7/381 based on macromolecular com...C09J 7/387 Block-copolymersY10T 428/2861 having readily strippable c...
