Thermally expandable microspheres based on fully or partially bio-based polymers

被引：0

作者：

Mousa, Maryam ^{[1
]}

Jonsson, Magnus ^{[2
]}

Granbom, Linn ^{[2
]}

Kron, Anna Larsson ^{[2
]}

Malmstrom, Eva ^{[1
,3
,4
]}

机构：

[1] KTH Royal Inst Technol, Dept Fibre & Polymer Technol, Div Coating Technol, Sch Engn Sci Chem Biotechnol & Hlth, Stockholm, Sweden

[2] Nouryon Pulp & Performance Chem AB, Sundsvall, Sweden

[3] KTH Royal Inst Technol, Wallenberg Wood Sci Ctr, Dept Fibre & Polymer Technol, Sch Engn Sci Chem Biotechnol & Hlth, Stockholm, Sweden

[4] KTH Royal Inst Technol, Sch Engn Sci Chem Biotechnol & Hlth, Div Coating Technol, Dept Fibre & Polymer Technol, Tekn Ringen 56-58, SE-10044 Stockholm, Sweden

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2024年 / 141卷 / 20期

关键词：

biopolymers and renewable polymers; copolymers; radical polymerization; thermoplastics; METHYLENE-GAMMA-BUTYROLACTONE; RADICAL COPOLYMERIZATION KINETICS; CROSS-LINKING; POLYMERIZATION; BIOMASS; MICROENCAPSULATION; MICROCAPSULES; VALEROLACTONE; TEMPERATURE; LACTONES;

D O I：

10.1002/app.55368

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Bio-based or partially bio-based thermally expandable microspheres (TEMs) were synthesized by suspension (co)polymerization of the bio-based monomer alpha-methylene-gamma-valerolactone (MeMBL) together with acrylonitrile and/or methyl methacrylate to form expandable core/shell particles by encapsulating a hydrocarbon-based blowing agent. The core/shell polymers were characterized with respect to their chemical structure, thermal expansion, and morphology. The obtained particles, TEMs, showed an increasing onset expansion temperature with increasing content of MeMBL owing to the high glass transition temperature of PMeMBL. As a result, bio-based/partially bio-based TEMs are achieved with high thermal stability and expansion properties which can be tailored for various applications. The synthesis of fully or partially bio-based thermally expandable microsphere using suspension polymerization. image

引用

页数：10

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