Netting, die head and manufacturing method thereof
A technology of netting and bonding area, which is applied in the field of bonding together, and can solve problems such as complex die heads
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example 1
[0210] use as Figure 17 The die configuration generally shown in figure 1 The two-layer coextruded mesh shown generally in . Spacers 1700, 1600 and 1500 have a width of 0.102mm (0.004 inches). The dispensing orifice for making the first strand had a height of 0.38 mm (0.015 inches), and the dispensing orifice for making the second strand had a height of 0.15 mm (0.006 inches). Polypropylene (available under the trade designation "3155PP" from ExxonMobil, Irving, TX) and polypropylene copolymer (available from ExxonMobil under the trade designation "VISTAMAX 6202") 50% by weight of the blend was fed into manifolds which fed chambers with channels providing an upper layer of distribution orifices of 0.38 mm and 0.15 mm. Using 3% by weight green concentrate (obtained under the trade designation "3M Green" from Polyone (Polyone, Elk Grove Village, IL) in Elk Grove Village, Illinois) to the 0.15mm distribution orifice feed Polymer blend coloration The polymer blend fed into t...
example 2
[0219] use as Figure 11 The die configuration generally shown in to prepare as figure 2 The three-layer coextruded mesh shown schematically in . The dispensing orifice from which the first strand was made had a height of 0.38 mm and a width of 0.41 mm. The dispensing orifice for making the second strand had a height of 0.76 mm and a width of 0.41 mm. A polypropylene copolymer (obtained under the trade designation "INFUSE 9507" from Dow Chemical, Midland, MI) was fed into the chamber that provided the middle layer for the two sets of orifices. Polypropylene ("3155PP") was fed to provide top and bottom layers for two sets of orifices (eg figure 2 shown in the cavity). The flow rate of core material for the first strand was 1.7 kg / hr. The flow rate of the core material for the second strand was 1.0 kg / hr. Top and bottom layers for the first strand (eg figure 2 The flow rate of the material shown in ) is 0.2 kg / hr. Top and bottom layers for the second strand (eg figu...
example 3
[0228] use as Figure 11 The die configuration generally shown in to prepare as figure 2 The three-layer coextruded mesh shown schematically in . The dispensing orifice for making the first strand had a height of 0.38 mm (0.015 inches) and the dispensing orifice for making the second strand had a height of 0.76 mm (0.030 inches). A polypropylene copolymer ("INFUSE 9507") was fed into the cavity providing an intermediate layer for the two sets of orifices. A styrenic block copolymer elastomer (obtained under the trade designation "KRATON 1114" from Kraton Polymers LLC, Houston, TX) and an aromatically modified C5 petroleum hydrocarbon A dry blend of resin tackifier (obtained under the trade designation "WINGTAC PLUS" from Sartomer Co., Exton, PA) in Exton, Pennsylvania) was fed to provide the top layer for the second set of orifices. and the underlying cavity. This dry blend produced a slightly tacky adhesive. The flow rate of core material from the 0.76 mm orifice was 0....
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Abstract
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