Poly(imide-amide) copolymer, a method for preparing a poly(imide-amide) copolymer, and an article including a poly(imide-amide) copolymer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08G-073/14
B32B-027/00
C09D-179/08
C09J-179/08
C08G-073/10
출원번호
US-0346876
(2016-11-09)
등록번호
US-10240002
(2019-03-26)
우선권정보
KR-10-2015-0156846 (2015-11-09)
발명자
/ 주소
Choi, Hongkyoon
Ahn, Chanjae
Jeon, Hyunjeong
Jee, Sang Soo
Choi, Sungwon
Hong, Sung Woo
Sohn, Byunghee
출원인 / 주소
SAMSUNG ELECTRONICS CO., LTD.
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
0인용 특허 :
5
초록▼
A poly(imide-amide) copolymer including a structural unit represented by Chemical Formula 1; a structural unit represented by Chemical Formula 2; and any one of a structural unit represented by Chemical Formula 3, an amic acid precursor of the structural unit represented by Chemical Formula 3, and a
A poly(imide-amide) copolymer including a structural unit represented by Chemical Formula 1; a structural unit represented by Chemical Formula 2; and any one of a structural unit represented by Chemical Formula 3, an amic acid precursor of the structural unit represented by Chemical Formula 3, and a combination thereof; wherein a cured material of the poly(imide-amide) copolymer may have a tensile modulus of greater than or equal to about 5.5 GPa, and a yellowness index of less than or equal to about 5: wherein, groups and variables in Chemical Formulae 1 and 3 are the same as described in the specification.
대표청구항▼
1. A film comprising a poly(imide-amide) copolymer, the poly(imide-amide) copolymer consisting of: a structural unit represented by Chemical Formula 1;a structural unit represented by Chemical Formula 2; andany one of a structural unit represented by Chemical Formula 3, a structural unit of an amic
1. A film comprising a poly(imide-amide) copolymer, the poly(imide-amide) copolymer consisting of: a structural unit represented by Chemical Formula 1;a structural unit represented by Chemical Formula 2; andany one of a structural unit represented by Chemical Formula 3, a structural unit of an amic acid precursor of the structural unit represented by Chemical Formula 3, and a combination thereof;wherein the film has a tensile modulus of greater than or equal to about 5.5 gigapascals according to an ASTM D882 method, and a yellowness index of less than or equal to about 5 according to an ASTM D 1925 method, when the film has a thickness of about 50 micrometers: wherein, in Chemical Formula 1,R2 is a substituted or unsubstituted phenylene group,R6 and R7 are the same or different and are each independently an electron withdrawing group;R8 and R9 are the same or different, and are each independently a halogen, a hydroxy group, a substituted or unsubstituted C1 to C10 aliphatic organic group, a C6 to C20 aromatic organic group, an alkoxy group of formula —OR204, wherein R204 is a C1 to C10 aliphatic organic group, or a silyl group of formula —SiR205R206R207 wherein R205, R206, and R207 are the same or different, and are each independently hydrogen or a C1 to C10 aliphatic organic group,n3 is an integer ranging from 1 to 4, n5 is an integer ranging from 0 to 3, provided that n3+n5 is an integer ranging from 1 to 4, andn4 is an integer ranging from 1 to 4, n6 is an integer ranging from 0 to 3, provided that n4+n6 is an integer ranging from 1 to 4; wherein, in Chemical Formula 2,R5 is a substituted or unsubstituted biphenylene group,R6 to R9, n3 and n4 are the same as defined in Chemical Formula 1; wherein, in Chemical Formula 3,R10 is single bond, a substituted or unsubstituted C1 to C30 aliphatic organic group, a substituted or unsubstituted C3 to C30 alicyclic organic group, a substituted or unsubstituted C6 to C30 aromatic organic group, or a substituted or unsubstituted C2 to C30 heterocyclic group,R12 and R13 are the same or different, and are each independently a halogen, a hydroxy group, a substituted or unsubstituted C1 to C10 aliphatic organic group, a C6 to C20 aromatic organic group, an alkoxy group of formula —OR208, wherein R208 is a C1 to C10 aliphatic organic group, or a silyl group of formula —SiR209R210R211, wherein R209, R210, and R211 are the same or different, and are each independently hydrogen or a C1 to C10 aliphatic organic group,n7 and n8 are each independently an integer ranging from 0 to 3, andR11 is represented by Chemical Formula 4: wherein, in Chemical Formula 4,R6 to R9, n3 and n4 are the same as defined in Chemical Formula, andwherein a mole ratio of the sum of the structural unit represented by Chemical Formula 1 and the structural unit represented by Chemical Formula 2, and the structural unit represented by Chemical Formula 3 is about 20:80 to about 80:20. 2. The film according to claim 1, wherein the structural unit represented by Chemical Formula 3 is represented by at least one of a structural unit represented by Chemical Formula 5 and a structural unit represented by Chemical Formula 6: wherein, in Chemical Formulae 5 and 6,R11 to R13, n7, and n8 are the same as defined in Chemical Formula 3. 3. The film according to claim 2, wherein the structural unit represented by Chemical Formula 5 and the structural unit represented by Chemical Formula 6 are present in the poly(imide-amide) copolymer in a mole ratio of about 1:99 to about 99:1. 4. The film according to claim 1, wherein the electron withdrawing group is selected from —CF3, —CCl3, —CBr3, —Cl3, —NO2, —CN, —C(═O)CH3, and —CO2C2H5. 5. The film according to claim 1, wherein the structural unit represented by Chemical Formula 1 is represented by at least one of a structural unit represented by Chemical Formula 7 and a structural unit represented by Chemical Formula 8: 6. The film according to claim 1, wherein the structural unit represented by Chemical Formula 2 is represented by a structural unit represented by Chemical Formula 9: 7. The film according to claim 1, wherein the structural unit represented by Chemical Formula 3 is represented by at least one of a structural unit represented by Chemical Formula 10 and a structural unit represented by Chemical Formula 11: 8. The film according to claim 1, wherein the structural unit represented by Chemical Formula 1 is represented by Chemical Formula 7, the structural unit represented by Chemical Formula 2 is represented by the structural unit represented by Chemical Formula 9, and the structural unit represented by Chemical Formula 3 is represented by a combination of the structural unit represented by Chemical Formula 10 and the structural unit represented by Chemical Formula 11. 9. A display device comprising the film according to claim 1. 10. The display device according to claim 9, wherein the display device is a flexible display device.
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이 특허에 인용된 특허 (5)
Cho, Chung Kun; Kovalev, Mikhail; Kalinina, Fedosya; Androsov, Dmitry, Composition including polyimide block copolymer and inorganic particles, method of preparing same, article including same, and display device including the article.
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