CAS: 25359-71-1; Dipentaerythritol Hexa(3-Mercaptopropionate)

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Dipentaerythritol 3-mercaptopropionic acid

📜双季戊四醇,3-巯基丙酸置于硫酸体系中,用 甲苯 用作溶剂,化学反应 48.0H,以58%的收率获得二季戊四醇六(3-巯基丙酸酯)
参考文献:Organic Thiol Metal-Free Stabilizers And Plasticizers For Halogen-Containing Polymers
标题:Organic Thiol Metal-Free Stabilizers And Plasticizers For Halogen-Containing Polymers
摘要:本文描述了基于对羟基甲苯和二对羟基甲苯的有机硫醇化合物.更具体地说,本发明的化合物是对羟基甲苯和二对羟基甲苯的混合酯,具有至少一个巯基和最好是多个巯基,以及至少一个非巯基含有基团.这些有机硫醇化合物被用于增塑和/或热稳定含卤素聚合物组合物,特别是聚氯乙烯组合物.这些组合物基本上不含或不含金属基稳定剂,路易斯酸和萜类物质.本发明的化合物在通常容易恶化和变色的聚合物中得到理想应用,这种恶化和变色可能发生在聚合物加工过程中或聚合物暴露于某些环境中,并且令人惊讶地还可作为优秀的增塑剂.

专利信息

专利号:WO-2025188688-A8
优先权日:2024-03-04
标题 :Rapid synthesis of degradable polyols based on esters and thioethers for use in polyurethanes
发明人：Monroe Mary Beth; PETRYK NATALIE M
权利人:Monroe Mary Beth; PETRYK NATALIE M
摘要:A degradable polyurethane (PUr) having degradation rates useful for hemostatic dressings for controlling bleeding in traumatic wounds. Degradable PUrs may be synthesized from degradable monomers based on hydrolytically labile esters and oxidatively labile thioethers using rapid click-chemistry reactions. Monomers may include trimethylolpropane tris(3-mercaptopropionate) (TMPMP), dipentaerythritol hexakis(3-mercaptopropionate) (DPEHMP), dipentaerythritol hexakis(3-mercaptopropionate) (DPEHMP) or 2,2'-(ethylenedioxy) diethanethiol reacted with hydroxyethyl acrylate, 3-buten-1-ol, 3-methyl-3-buten-1-ol, or 3-buten-2-ol. Synthesis of these monomers is rapid and has no byproducts or toxic catalysts that require removal, enabling polyol synthesis and immediate use in further polymerization

专利号:US-9441084-B2
优先权日:2013-03-13
标 题 :One-pot, high-performance recycling method for polymer waste achieved through renewable polymer synthesis
发明人：HEARDON KEITH
权利人:3MATTER LLC; Poly6 Techniques
摘要:Compositions and processes for development of sustainable materials based upon a method of thermoplastic polymer recycling with a solvent that is also a monomer for renewable polymer synthesis. By combining petroleum-derived polymers with bio-based monomer feedstocks, biphasic, blended polymer products are produced and are shown to exhibit facile tunability of physical and material properties. This one-pot, solvent-based recycling approach yields neat recycled products without the use of solvent evaporation or solute precipitation, and the functional utility of the resulting polymer blends greatly exceeds that of either homopolymer alone.

专利号:US-2023279197-A1
优先权日:2022-02-18
标 题 :Mechanically adaptive materials
发明人：ESSER-KAHN AARON; WANG JUN; WANG ZHAO; AYARZA-LEON JORGE LUIS
权利人:UNIV CHICAGO
摘要:Provided are mechanically adaptive materials that include a composite gel that is responsive to input energy. In some embodiments, input vibrational energy results in strengthening the composite gel. The strengthening may be reversible or irreversible according to various embodiments. In some embodiments, input vibrational energy generates chemical promotors for cross-linking reactions and/or linear polymerization via mechano-chemical transducers. In some embodiments, an applied shear stress is used to control charge generation and generate chemical promoters for cross-linking and/or linear polymerization. In some embodiments, the composite gels include a polymer network and/or polymer network precursors, reactive groups and/or linkers formed by reaction of the reactive groups, and a mechano-chemical transducer. Also provided are methods of mechanically promoted synthesis of polymers and polymer gels.

专利号:EP-1756190-B1
优先权日:2004-04-14
标 题:Radically curable resin compositions
发明人：JANSEN JOHAN FRANZ GRADUS ANTO; DRIESSEN MARCO MARCUS MATHEUS; VAN DIJCK MICHAEL ALPHONSUS CO
权利人:DSM IP ASSETS BV
摘要:The present invention relates to resin compositions for radical curing comprising a component (I) containing reactive carbon-carbon unsaturations and a component (II) containing XH-groups, with X not being C or O., which resin compositions (a) are substantially free of photoinitiators; (b.) have an average number of reactive carbon-carbon unsaturations of component (I) equal to or higher than 2; (c) have an average number of XH-groups of component (II) equal to or higher than 2; (d) whereby at least one of the average numbers of (b) and (c) is higher than 2; (e) and at most 5 mol% of the reactive unsaturations is capable of undergoing homopolymerisation; (f) respectively is present in the form of a mono-ene functional alkylene; and (g) the molar ratio of the XH-groups and of the reactive unsaturations is in the range of from 4 : 1 to 1 : 4. The present invention also relates to processes for curing such resin compositions, in particular by cold curing. And finally, the present invention also relates to a new process for the synthesis of Diels-Alder adducts of cyclopentadiene and a resin component containing telechelic carbon-carbon unsaturation. The resin compositions are capable of providing constructive materials with tack-free surfaces by fast, and tunable, radical curing, and without any problems of so-called oxygen inhibition. Suitable applications are in chemical anchoring, roofing, flooring, (re)-lining, SMCs and BMCs.

专利号:WO-2025188688-A1
优先权日:2024-03-04
标 题 :Rapid synthesis of degradable polyols based on esters and thioethers for use in polyurethanes

专利号:WO-2024181388-A1
优先权日:2023-02-28
标题:Curable composition, dry film, cured substance, and electronic component
发明人：SHIBASAKI KAHO; ISHIKAWA NOBUHIRO; YUKIMORI DAIKI; INOUE GO; OKUDA AYANO
权利人:TAIYO HOLDINGS CO LTD
摘要:Provided is a curable composition that is excellent in low dielectric properties. A certain mode of the present invention is a curable composition is characterized by comprising: a compound having a thiol group; an oxime ester photopolymerization initiator; and a polyphenylene ether synthesized from feedstock phenols including a phenol that satisfies at least condition 1 and a phenol that satisfies at least condition 2, wherein the polyphenylene ether contains the phenol that satisfies condition 2 in an amount of 20 mol% or greater with respect to the feedstock phenols as a whole during synthesis. (Condition 1) Having hydrogen atoms at the ortho and para positions (Condition 2) Having a hydrogen atom at the para position and having a functional group containing an unsaturated carbon bond