Photosensitive resin film and application thereof
A photosensitive resin film and application thereof are provided. When the photosensitive resin film is subjected to a thermogravimetric analysis under the conditions of heating at a rate of 5° C./min from 40° C. to 200° C. and then keeping the temperature at 200° C. for 10 min, the absolute value of the first derivative of the weight percentage with respect to time within the range of 0 to 40 min is higher than 0.1%/min and not higher than 1.0%/min.
1 . A photosensitive resin film, wherein when the photosensitive resin film is subjected to a thermogravimetric analysis under the conditions of heating at a rate of 5° C./min from 40° C. to 200° C. and then keeping the temperature at 200° C. for 10 min, the absolute value of the first derivative of the weight percentage with respect to time within the range of 0 to 40 min is higher than 0.1%/min and not higher than 1.0%/min;
wherein the photosensitive resin film has a thickness of 60 μm to 600 μm; and
wherein the photosensitive resin film comprises:
(A) an alkali-soluble polymer;
(B) a component of ethylenically unsaturated compound(s); and
(C) a photopolymerization initiator.
2 . The photosensitive resin film of claim 1 , wherein when the photosensitive resin film is subjected to the thermogravimetric analysis, a weight loss percentage of the photosensitive resin film within the range of 0 to 20 min is higher than 0 wt % and not higher than 10 wt %.
3 . The photosensitive resin film of claim 2 , wherein the weight loss percentage of the photosensitive resin film within the range of 0 to 20 min ranges from 2 wt % to 10 wt %.
4 . The photosensitive resin film of claim 1 , which is a dry film.
5 . The photosensitive resin film of claim 4 , which comprises 0.1 wt % to 8 wt % of a solvent based on the total weight of the photosensitive resin film.
6 . The photosensitive resin film of claim 1 , which has a Tas of 90° C. or higher.
7 . The photosensitive resin film of claim 1 , which has a Taio of 140° C. or higher.
8 . The photosensitive resin film of claim 1 , wherein the component B) of ethylenically unsaturated compound(s) comprises one or more bifunctional acrylate-based compounds.
9 . The photosensitive resin film of claim 8 , wherein based on the weight of the component (B) of ethylenically unsaturated compound(s), the amount of the bifunctional acrylate-based compounds is 60 wt % or more.
10 . The photosensitive resin film of claim 2 , wherein the component (B) of ethylenically unsaturated compound(s) comprises one or more bifunctional acrylate-based compounds.
11 . The photosensitive resin film of claim 10 , wherein based on the weight of the component (B) of ethylenically unsaturated compound(s), the amount of the bifunctional acrylate-based compounds is 60 wt % or more.
12 . A composite film, which comprises:
the photosensitive resin film of claim 1 ; and
a protective film on at least one surface of the photosensitive resin film.
13 . The composite film of claim 12 , wherein the protective film is selected from the group consisting of a polyethylene terephthalate film, a polyolefin film, and a composite thereof.
14 . A composite film, which comprises:
the photosensitive resin film of claim 2 ; and
a protective film on at least one surface of the photosensitive resin film.
15 . The composite film of claim 14 , wherein the protective film is selected from the group consisting of a polyethylene terephthalate film, a polyolefin film, and a composite thereof.