Light-sensitive coating resin of auxiliary sheet for drilling and application thereof
A guidance sheet, resin layer technology, applied in photosensitive materials for optomechanical equipment, synthetic resin layered products, chemical instruments and methods, etc. Pollution and other problems, to achieve the effect of reducing the complexity of the process, improving the thickness uniformity, and reducing the polymerization time
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[0037] Example 1
[0038] Take 1 mole of polyetheramine (Huntsman D-4000), add 1 mole of 1,2,4,5-pyromellitic dianhydride and react at 20°C for 12 hours to obtain the first polymer of formula (I). The reaction formula is as follows:
[0039]
[0040] Wherein, n is an integer ranging from 2 to 100, and m is an integer ranging from 1 to 1000.
[0041] Take another 1 mole of polyetheramine (Huntsman D-4000) reacted with 2 moles of vinyl chloride at 20°C for 12 hours to obtain the second polymer of formula (II). The reaction formula is as follows:
[0042]
[0043] Wherein, o is an integer between 2-100.
[0044] Take 1 part of the first polymer of formula (I) and 1 part of the second polymer of formula (II), based on the second polymer, and further add 3% optical initiator (1173) and 1% After the photosensitizer (ITX) is fully mixed, the resin composition of the present invention is prepared, and the resin composition is directly coated with a thickness of 50 microns on an aluminum foil...
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[0046] Example 2
[0047] The first polymer of formula (I) and the second polymer of formula (II) were polymerized in the same manner as in Example 1, and the same coating and drilling conditions were used. The composition contained formula (I) and formula (II) ), wherein the ratio of the polymer of formula (I) to formula (II) is 1:2, and the photoreaction conditions are the same as those in Example 1 to make a drilling guide sheet, and the drilling results are shown in Table 1. Show.
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[0048] Example 3
[0049] The polymer of formula (I) and formula (II) was polymerized in the same manner as in Example 1, and the same coating and drilling conditions were used. The composition contained the polymer of formula (I) and formula (II), wherein The ratio of (I) to the polymer of formula (II) is 2:1, and the drilling guidance sheet is made using the same light reaction conditions as in Example 1. The drilling results are shown in Table 1.
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