KR930006068A

KR930006068A - Novolak resin and preparation method thereof

Info

Publication number: KR930006068A
Application number: KR1019910022148A
Authority: KR
Inventors: 유지 우에다; 나오끼 다께야마; 히로미 우에끼; 다께히로 가스모또
Original assignee: 모리 히데오; 스미또모 가가꾸고오교 가부시끼가이샤
Priority date: 1991-09-27
Filing date: 1991-12-04
Publication date: 1993-04-20
Also published as: JPH05178951A; MX9102405A

Abstract

알데히드 화합물 및 특정한 페놀 화합물로부터 제조된 노볼락 수지는 특성, 특히 감광성 내식막의 기재 수지로서의 특성이 우수하다.Novolak resins prepared from aldehyde compounds and certain phenolic compounds are excellent in properties, in particular, as a base resin of a photoresist.

Description

Novolak resin and preparation method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 실시예 2에서 제조한 노볼락 수지의 NMR 도표이다.1 is an NMR diagram of the novolak resin prepared in Example 2.

Claims

A novolak resin having an average molecular weight of 2,000 to 50,000 and comprising at least one type of repeating unit selected from the group of the following repeating units (I), (II) and (III):

Wherein R ₁ to R ₅ are each a hydrogen atom, a substituted or unsubstituted, straight or branched alkyl group, a substituted or unsubstituted, straight or branched alkenyl group, an acetyl group or a halogen atom, and R ₆ and R ₇ are each A hydrogen atom, a substituted or unsubstituted alkyl group, a benzyl group or a phenyl group, provided Is a group in the o-position or p-position relative to the -OH group, and R ₈ to R ₁₃ are each hydrogen atom, substituted or unsubstituted, straight or branched alkyl group, substituted or unsubstituted, straight or branched alkenyl group acetyl A group or a halogen atom, R ₁₄ and R ₁₅ are each a hydrogen atom, a substituted or unsubstituted alkyl group, a benzyl group or a phenyl group, The group is in the o-position or p-position relative to the -OH group and R ₁₆ to R ₂₁ are each hydrogen atom, substituted or unsubstituted, straight or branched alkyl group, substituted or unsubstituted, straight or branched alkenyl group acetyl group or A halogen atom, R ₂₂ and R ₂₃ are each a hydrogen atom, a substituted or unsubstituted alkyl group, benzyl group or a phenyl group, Groups are in the o-position or p-position relative to the -OH group.

The novolak resin according to claim 1, wherein the alkyl group has 1 to 5 carbon atoms.

The novolak resin according to claim 1, wherein the alkenyl group has 2 to 5 carbon atoms.

A process for producing the novolac resin of claim 1, wherein the phenol and carbonyl compound comprising the compound of formula (IV) are added and condensed in the presence of an acid catalyst:

Wherein Z ₁ to Z ₉ are each a hydrogen atom, a substituted or unsubstituted linear or branched alkyl group, a substituted or unsubstituted linear or branched alkenyl group, an acetyl group, a halogen atom or a hydroxyl group, Z ₁ , At least one of Z ₇ , Z ₈ and Z ₉ is a hydroxyl group, at least one hydrogen atom is present at the o-position or p-position of the hydroxyl group and one of Z ₂ to Z ₆ is a hydroxyl group, At least one hydrogen atom is present at the o-position or p-position of this hydroxyl group.

A process for producing a novolak resin comprising a repeating unit (II) as defined in claim 1, wherein the phenol and carbonyl compound containing the compound of formula (V) are added and condensed in the presence of an acid catalyst.

Wherein Z ₁₀ to Z ₁₈ are each a hydrogen atom, a substituted or unsubstituted linear or branched alkyl group, a substituted or unsubstituted linear or branched alkenyl group, an acetyl group, a halogen atom or a hydroxyl group, and Z ₁₁ to Z One of the ₁₅ is a hydroxyl group, at least two hydrogen atoms in the o-position or p-position to this hydroxyl group, any one of Z ₁₀ , Z ₁₆ , Z ₁₇ and Z ₁₈ is a hydroxyl group no.

A process for producing a novolak resin comprising a repeating unit (III) as defined in claim 1, wherein the phenol and the carbonyl compound containing the compound of formula (VI) are added and condensed in the presence of an acid catalyst;

Wherein Z ₁₉ to Z ₂₇ are each a hydrogen atom, a substituted or unsubstituted, straight or branched alkyl group, a substituted or unsubstituted, straight or branched alkenyl group, an acetyl group, a halogen atom or a hydroxyl group, and Z _19, Z _{One of 25} , Z ₂₆ and Z ₂₇ is a hydroxyl group, at least two hydrogen atoms present in the o-position or p-position relative to this hydroxyl group, and any one of Z ₂₀ to Z ₂₄ represents a hydroxyl group no.

※ Note: The disclosure is based on the initial application.