POLYMER
The present application can provide a polymer, a cross-linkable composition comprising the same, a method for producing the cross-linkable composition, and a use of the polymer or the cross-linkable composition. The present application can provide a polymer capable of forming a material having an excellent antistatic function, a cross-linkable composition and a production method thereof, and a use thereof. The present application can provide a polymer which can exhibit an antistatic function without adding a separate antistatic agent, does not bleed the ingredient exerting the antistatic function, is easy to store, and can maintain performance of a pressure-sensitive adhesive after being applied to the relevant pressure-sensitive adhesive, and the like, a cross-linkable composition, a production method thereof, and a use thereof.
1 . A polymer comprising an alkyl (meth)acrylate unit and a unit of Formula 1 below, and comprising the unit of Formula 1 in an amount of at least 20 parts by weight based on 100 parts by weight of the alkyl (meth)acrylate unit:
wherein, L is an alkylene group or an alkylidene group, R is a hydrogen atom or an alkyl group, and R 1 to R 3 are each independently an alkyl groups.
2 . The polymer according to claim 1 , comprising the alkyl (meth)acrylate unit in a ratio of 30 to 80 wt % based on the weight of all polymerization units included in the polymer.
3 . The polymer according to claim 1 , further comprising a unit of Formula 2 below:
wherein, L 1 is an alkylene group or an alkylidene group, R 12 is a hydrogen atom or an alkyl group, and R 10 and R 11 are each independently an alkyl group.
4 . The polymer according to claim 3 , comprising the unit of Formula 2 in an amount of 0.1 to 30 parts by weight based on 100 parts by weight of the alkyl (meth)acrylate unit.
5 . The polymer according to claim 3 , wherein a ratio (A/B) of the weight of the unit of Formula 1 (A) to the weight of the unit of Formula 2 (B) is in a range of 0.5 to 20.
6 . The polymer according to claim 1 , wherein the polymer has a weight average molecular weight of 200,000 g/mol or less.
7 . A cross-linkable composition comprising:
a cross-linkable polymer; and
the polymer of claim 1 as an ionic polymer.
8 . The cross-linkable composition according to claim 7 , comprising 1 to 60 parts by weight of the ionic polymer based on 100 parts by weight of the cross-linkable polymer.
9 . The cross-linkable composition according to claim 7 , wherein the cross-linkable polymer comprises an alkyl (meth)acrylate unit.
10 . The cross-linkable composition according to claim 9 , wherein the cross-linkable polymer further comprises a unit of Formula 3 below:
wherein, R 4 , R 5 , R 8 and R 9 are each independently a carbon atom or a carbonyl group, R 6 is a carbon atom or an oxygen atom, or not present, and the bond between R 4 and R 5 and the bond between R 8 and R 9 are each independently a single bond or a double bond.
11 . The cross-linkable composition according to claim 10 , wherein in the Formula 3, R 4 , R 5 , R 8 and R 9 are each independently a carbon atom or a carbonyl group, R 6 is a carbon atom or not present, and the bond between R 4 and R 5 and the bond between R 8 and R 9 are each independently a single bond or a double bond, but at least one of R 4 , R 5 , R 8 and R 9 is a carbonyl group.
12 . The cross-linkable composition according to claim 10 , wherein the cross-linkable polymer comprises the unit of Formula 3 in an amount of 0.5 to 20 parts by weight based on 100 parts by weight of the alkyl (meth)acrylate unit.
13 . The cross-linkable composition according to claim 9 , wherein the cross-linkable polymer further contains a polar group-containing unit.
14 . The cross-linkable composition according to claim 13 , wherein the cross-linkable polymer comprises the polar group-containing unit in an amount of 1 to 30 parts by weight based on 100 parts by weight of the alkyl (meth)acrylate unit.
15 . The cross-linkable composition according to claim 7 , further comprising a cross-linking agent and a cross-linking retardant.
16 . The cross-linkable composition according to claim 15 , wherein the cross-linking agent is included in a ratio of 0.01 to 10 parts by weight based on 100 parts by weight of the total of the cross-linkable polymer and the ionic polymers, and the cross-linking retardant is included in an amount of 0.1 to 10 parts by weight based on 100 parts by weight of the total of the cross-linkable polymer and the ionic polymers, and wherein a ratio (A/B) of the weight of the cross-linking retardant (A) to the weight of the cross-linking agent (B) is in a range of 0.5 to 30.
17 . A method for preparing the cross-linkable composition of claim 7 , comprising:
a step of mixing the cross-linkable polymer and the ionic polymer, wherein
the ionic polymer is produced by a method comprising steps of:
reacting a monomer mixture containing an alkyl (meth)acrylate and a compound of Formula 4 below to obtain a polymer; and
reacting the polymer with a haloalkane to produce the ionic polymer:
wherein, L 1 is an alkylene group or an alkylidene group, R 12 is a hydrogen atom or an alkyl group, and R 10 and R 11 are each independently an alkyl group.
18 . The method according to claim 17 , wherein the reaction of the monomer mixture is a solution polymerization reaction.
19 . A laminate comprising:
an electronic substrate; and
the cross-linkable composition of claim 7 or a cross-linked product thereof attached to one or both sides of the electronic substrate.
20 . An OLED device comprising:
an OLED panel; and
the cross-linkable composition of claim 7 or a cross-linked product thereof attached to one or both sides of the OLED panel.