Cling film laminate structure
A technology of laminated structure and adhesive layer, applied in the direction of lamination, adhesive, layered products, etc., can solve the problems of self-adhesive layer stretching, difficult to use repeatable fastening tape tabs, deformation, etc. The effect of reducing pollution problems
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Embodiment 1
[0105] The data reported in Table 1 below illustrate the improved peel and shear properties of laminates prepared in accordance with the present invention. For each laminate tested, the peel strength was 50 grams or less and the shear strength was acceptable (at least 8 hours for all samples) not only at room temperature but also after elevated temperature aging.
[0106]
initial test
Store at 120
24 hours
Store at 100
24 hours
Adhesive film
NW
peel off
intensity
(gm)
100 cut
peel off
intensity
(gm)
100 cut
room temperature
peel off
intensity
(gm)
100 cut
paste table
facetization
Pactiv
APM3-2015
...
Embodiment 2
[0118] This example was performed to determine the effect of aging on the peel strength of adhesive laminates constructed in accordance with the present invention, and the data obtained was compared to prior art laminates disclosed in US Patent 5,085,655. Therefore, the peel test method described in Example 1 was repeated on a two inch wide laminate sample, except that a crosshead speed of 10 inches per minute was used. The average peel strengths in grams for laminates prepared according to the invention initially, after 1 hour, after 1 day and after 13 days are reported in Table 2A. All samples were stored at room temperature (RT) for the indicated time periods. These data were then compared with those reported in U.S. Patent 5,085,655 by Mann et al., which describes the use of styrene-ethylene-butylene-styrene (SEBS) block copolymers or ethylene-propylene rubber (EPR) as Laminates of the prior art of self-adhesive layers. Data from Mann et al. are reported in Table 2B.
...
Embodiment 3
[0124] As a further comparison, the peel and shear properties of several currently commercially available diaper fastening systems were obtained and tested in the same manner as in Example 1. Data are shown in Table 3 below. It should be noted that the peel strength of the tape fastening system tested was significantly higher than the adhesive laminate of the present invention and increased greatly during aging at 100°F for 8 hours.
[0125] Peel values for various commercially available fastening systems:
[0126] Obtain several commercial diaper samples to test. Two of them use traditional pressure sensitive tape tabs and two use mechanical fastening systems. The same basic peel test described previously was performed using the following modified conditions.
[0127] Cut the seam area of each diaper out of the diaper. In the case of a pressure sensitive tape tab, the lands consist of a piece of polypropylene film bonded to the backsheet, with the release coating on t...
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Abstract
Description
Claims
Application Information
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