CN101343227A - Catalyst and technique for synthesis of dialkyl carbonates and aliphatic polyester with coupling method - Google Patents

Catalyst and technique for synthesis of dialkyl carbonates and aliphatic polyester with coupling method Download PDF

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Publication number
CN101343227A
CN101343227A CNA2008101445257A CN200810144525A CN101343227A CN 101343227 A CN101343227 A CN 101343227A CN A2008101445257 A CNA2008101445257 A CN A2008101445257A CN 200810144525 A CN200810144525 A CN 200810144525A CN 101343227 A CN101343227 A CN 101343227A
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China
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dimethyl
aliphatic polyester
cyclic carbonate
acetylacetonate
acid ester
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Chinese (zh)
Inventor
王公应
张丹
王庆印
姚洁
王越
刘绍英
杨先贵
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Chengdu Organic Chemicals Co Ltd of CAS
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Chengdu Organic Chemicals Co Ltd of CAS
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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention relates to a method for synthesizing dialkyl carbonates and aliphatic polyesters by coupled reaction between cyclic carbonate and organic diester. The method uses transition metals such as titanium and zirconium as well as acetylacetone compounds of lanthanide metals such as lanthanum and cerium. The cyclic carbonate and organic diester are present in a molar ratio of 1-5:5-1, a catalyst and a reaction mixture are in a mass ratio of 0.01 to 10 percent, and the decomposition temperature is between 200 and 290DEG C.

Description

The catalyzer and the technology of a kind of coupled method synthesis of dialkyl carbonates and aliphatic polyester
Technical field
What the present invention relates to is to be used for the acetylacetonate compound catalyzer that cyclic carbonate and organic dibasic acid ester coupling reaction prepare dialkyl carbonate and aliphatic polyester.
Background technology
Being applied to cyclic carbonate and organic dibasic acid ester by method involved in the present invention, to prepare the reaction expression of dialkyl carbonate and aliphatic polyester as follows:
Figure A20081014452500031
R wherein 1Represent hydrogen atom and methyl; R 2Represent C 1-C 18Alkyl; R 3Representative-(CH 2) m-, m=0,1 ... 18.
Reaction with NSC 11801 and dimethyl sebacate is an example.In recent years, many plastic refuses all are to be directly exposed in the environment, and can not degrade for a long time, have caused more and more serious environmental pollution.Aliphatic polyester has biodegradable, and as the substitute of conventional plastic, its synthetic method has obtained extensive studies.At present, the method for chemosynthesis polyester mainly comprises ring-opening polymerization, diprotic acid and diol reaction polymerization, dicarboxylic esters and the polymerization of binary alcohol esters permutoid reaction.The operational path of a while Synthesis of dimethyl carbonate and poly-dimethyl sebacate has been opened up in the reaction of NSC 11801 and dimethyl sebacate, sees reaction formula (3), has improved atom utilization.To this route research is in order to seek green chemical process and novel degradable high polymer material.
At present; some transesterification reaction reports about NSC 11801 and aromatic dicarboxylic acid esters are arranged; people such as Corrado Berti are catalyzer with the tetrabutyl titanate; studied NSC 11801 and dimethyl terephthalate (DMT) reaction (.Macromolecular chemistry and physics[J such as Corrado Berti]; 2002; 203:845-853); JP2000143585 is 1.5 moles in NSC 11801; it is catalyzer with tetrabutyl titanate that dimethyl terephthalate (DMT) is 0.5 mole; nitrogen protection, temperature of reaction are 250 ℃, and the reaction times is under 2 hours the condition; the yield of methylcarbonate is 53%, also reports Al 2O 3, TiO 2, Sb 2O 3,, Ni (OAc) 2.4H 2O, Ti (OCH 3) 4, nBu 2Sn (OCH 3) 2, nBu 2The SnO catalyzer (princes and dukes should for Du Zhiping, Yao Jie. catalysis journal [J], and 2005,26 (8): 637-638), and wherein, nBu 2The effect of SnO is best; the yield of methylcarbonate is 68.4%; also reported a series of metal acetate be catalyzer (Zhang Dan etc. Chinese chemical wall bulletin [J]; 2006; 17 (12): 1607-1610 and Zhang Dan etc. institution of higher education's chemical research [J], 2007,23 (2): 173-175; wherein the effect of Lithium Acetate is best, and the yield of methylcarbonate is 79.1%.In addition; JP09176093 is 190 ℃ in temperature; tetrabutyl titanate is a catalyzer, and nitrogen protection was reacted 3 hours; studied the reaction of NSC 11801 and phenol benzoate, phenylacetate respectively; the yield of diphenyl carbonate is respectively 9.1%, 2.6%, and JP200063331 is 1: 2 in the mol ratio of NSC 11801 and ethyl acetate; 140 ℃ of temperature of reaction, Gd 2O 3Be catalyzer, nitrogen protection was reacted 4 hours, and the transformation efficiency of NSC 11801 is 65%, and the yield of diethyl carbonate is 29%.
Mainly contain titan-alkoxide with the used catalyzer of produced in conventional processes aliphatic polyester, as tetrabutyl titanate, titanium isopropylate etc. (V.Tserki et al.Polymer Degradation and Stability[J], 2006,91:367-376, JP2004307690) but hydrolysis takes place such catalyzer easily, need strict control reaction conditions, also have zinc compounds (KR20030097237), tin compound (JP2000273165) rare earth class catalyzer (US2002082363) and metal oxide-type catalyzer (US2006293492).
Summary of the invention
What the present invention relates to is the novel method for preparing dialkyl carbonate and aliphatic polyester with cyclic carbonate and organic dibasic acid ester coupling reaction, carbonic acid gas is important carbon resource, the material carbon vinyl acetate that is adopted in present method can add by oxyethane and carbonic acid gas and is pressed into, help solving the problem of carbon resource waste, avoid again bringing " Greenhouse effect " to the whole world.And first with the acetylacetonate compound of transition metal such as titanium, zirconium, hafnium and lanthanide series metal such as lanthanum, cerium etc. as this catalyst for reaction, these acetylacetonate compounds use separately or two kinds of acetylacetonate compounds are mixed use, and ratio was 1~10: 10~1 when any two kinds of acetylacetonate compounds mixing was used.The processing condition that catalyst system therefor is fit to are, the mol ratio of cyclic carbonate and organic dibasic acid ester is 1~5: 5~1, and the mass ratio of catalyzer and reaction mixture is 0.01~10%, and temperature of reaction is 200~290 ℃.The product dialkyl carbonate is in time isolated reaction system with rectifying tower, analyzes with vapor-phase chromatography then.
Embodiment
Following example is further explained the present invention.
[example 1] adds the 0.15mol NSC 11801 successively in the there-necked flask of being furnished with thermometer, nitrogen conduit and fractional column, 0.05mol dimethyl sebacate, 0.0002mol titanium acetylacetone, temperature of reaction is 493K~523K, reaction times is 3 hours, the yield of methylcarbonate is 47.1%, and obtains the polyethylene glycol sebacate of oligomeric attitude.
[example 2] 0.05mol NSC 11801, the 0.05mol dimethyl sebacate, 0.0002mol methyl ethyl diketone zirconium is a catalyzer, and other condition is with example 1, and the yield of methylcarbonate is 14.4%, and obtains the polyethylene glycol sebacate of oligomeric attitude.
[example 3] 0.15mol NSC 11801, the 0.05mol dimethyl adipate, the 0.0002mol titanium acetylacetone, other condition is with example 1,, the yield of methylcarbonate is 30.5%, and obtains the polyethylene glycol adipate of oligomeric attitude.

Claims (3)

1. the technology of a cyclic carbonate and organic dibasic acid ester coupling reaction synthesis of dialkyl carbonates and aliphatic polyester, it is characterized in that adopting acetylacetonate compound is catalyzer.
2. the technology of a kind of cyclic carbonate according to claim 1 and organic dibasic acid ester coupling reaction synthesis of dialkyl carbonates and aliphatic polyester, it is characterized in that acetylacetonate compound wherein is meant the acetylacetonate compound of transition metal such as titanium, zirconium, hafnium and lanthanide series metal such as lanthanum, cerium etc., these acetylacetonate compounds use separately or two kinds of acetylacetonate compounds are mixed use, and ratio was 1~10: 10~1 when any two kinds of acetylacetonate compounds mixing was used.
3. the technology of a kind of cyclic carbonate according to claim 1 and organic dibasic acid ester coupling reaction synthesis of dialkyl carbonates and aliphatic polyester, it is characterized in that cyclic carbonate is a NSC 11801, propylene carbonate, the organic dibasic acid ester is meant ethylene dimethyl, diethyl oxalate, dimethyl malonate, diethyl malonate, dimethyl succinate and diethyl succinate, Methyl glutarate, ethyl glutarate, dimethyl adipate, diethylene adipate, NSC 52563, the pimelic acid diethyl ester, the suberic acid dimethyl ester, the suberic acid diethyl ester, dimethyl azelate, ethylazelaate, dimethyl sebacate, a kind of and relevant di-carboxylic acid ester derivative in the ethyl sebacate.
CNA2008101445257A 2007-07-23 2008-07-23 Catalyst and technique for synthesis of dialkyl carbonates and aliphatic polyester with coupling method Pending CN101343227A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103183811A (en) * 2011-12-29 2013-07-03 中国科学院成都有机化学有限公司 Method for synthesizing aliphatic polyester and dialkyl carbonate using dibasic ester and cyclic carbonate
CN113698582A (en) * 2021-09-03 2021-11-26 中国科学院长春应用化学研究所 Preparation method of polyester material

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1746195A (en) * 2004-09-04 2006-03-15 拜尔材料科学股份公司 Metal acetylacetonates as transesterification catalysts
CN1907565A (en) * 2006-07-28 2007-02-07 中国科学院成都有机化学有限公司 Catalyst for coupling reaction of annular carbonic acid esters and organic dibasic acid ester

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1746195A (en) * 2004-09-04 2006-03-15 拜尔材料科学股份公司 Metal acetylacetonates as transesterification catalysts
CN1907565A (en) * 2006-07-28 2007-02-07 中国科学院成都有机化学有限公司 Catalyst for coupling reaction of annular carbonic acid esters and organic dibasic acid ester

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张丹等: "金属-乙酰丙酮化合物催化合成PTT聚酯", 《第十一届全国青年催化会议论文集》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103183811A (en) * 2011-12-29 2013-07-03 中国科学院成都有机化学有限公司 Method for synthesizing aliphatic polyester and dialkyl carbonate using dibasic ester and cyclic carbonate
CN113698582A (en) * 2021-09-03 2021-11-26 中国科学院长春应用化学研究所 Preparation method of polyester material
CN113698582B (en) * 2021-09-03 2022-09-06 中国科学院长春应用化学研究所 Preparation method of polyester material

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Application publication date: 20090114