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US 11,028,201 B2Granted
Polymer composition
AssigneeLG Chem, Ltd.
InventorsSe Jin Ku, Mi Sook Lee, Hyung Ju Ryu, Sung Soo Yoon, No Jin Park, Jung Keun Kim, Je Gwon Lee, Eun Young Choi
Life of this patent
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Abstract
A polymer composition, methods and a use thereof are disclosed herein. The polymer composition having excellent self-assembly properties and capable of forming a vertical orientation structure even on a surface that no neutral treatment is performed, where the vertically oriented self-assembled structure can be effectively formed in a short time.
Claims19
A polymer composition, comprising:
- a first block copolymer having a polymer segment A and a polymer segment B;
- and
- a second block copolymer having a polymer segment C and a polymer segment D,
- wherein the second block copolymer having a number average molecular weight (M2) lower than a number average molecular weight (M1) of the first block copolymer,
- wherein the polymer segments A and C each comprise a side chain having 8 or more chain-forming atoms.
2 more elements
A polymer composition, comprising:
- a first block copolymer having a polymer segment A and a polymer segment B;
- and
- a second block copolymer having a polymer segment C and a polymer segment D,
- wherein the second block copolymer having a number average molecular weight (M2) lower than a number average molecular weight (M1) of the first block copolymer,
- wherein the polymer segments A and C each have a side chain and exhibit an X-ray diffraction peak having a half-height width in a range of 0.2 to 1.5 nm−1 in a scattering vector range of 0.5 to 10 nm−1.
2 more elements
A polymer composition, comprising:
- a first block copolymer having a polymer segment A and a polymer segment B;
- and
- a second block copolymer having a polymer segment C and a polymer segment D,
- wherein the second block copolymer having a number average molecular weight (M2) lower than a number average molecular weight (M1) of the first block copolymer,
- wherein the absolute value of the difference in surface energy of the polymer segments A and B and the absolute value of the difference in surface energy of the polymer segment C and D are each in a range of 2.5 to 7 mN/m.
2 more elements
Dependencies are inferred from the claim text.