CN112961279B - Polyttricyclopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer and preparation method thereof - Google Patents
Polyttricyclopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a polyttricyclopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer and a preparation method thereof, wherein the copolymer comprises the following components: tricyclopentadiene TCPD; dicyclopentadiene DCPD; a catalyst; wherein, the weight percentage of the tricyclopentadiene TCPD is 11-49.9 percent, and the weight percentage of the dicyclopentadiene DCPD is 50-89.9 percent. Because the molecular weight of the tricyclopentadiene TCPD is greater than that of dicyclopentadiene DCPD, the rigidity of the tricyclopentadiene TCPD is greater than that of the dicyclopentadiene DCPD, and the rigidity of the copolymer of the polytyclopentadiene PTCPD and the polydicyclopentadiene PDCPD is greater than that of the existing polydicyclopentadiene high molecular material, so that the technical problem of insufficient rigidity of the polydicyclopentadiene material in the prior art is solved. Meanwhile, the PTCPD high polymer material also has the excellent characteristics of acid resistance, alkali resistance, seawater corrosion resistance, fatigue resistance and the like, and has a wide application range.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer and a preparation method thereof.
Background
The polydicyclopentadiene PDCPD polymer material is homopolymer or copolymer of dicyclopentadiene DCPD, and is a cross-linked three-dimensional network structure engineering plastic.
The polydicyclopentadiene PDCPD is a material with the characteristics of good heat resistance, creep resistance, size stability, shape memory, corrosion resistance, light weight and the like, and can be used for manufacturing various high-performance, high-added-value and high-grade fine products. Such as: automobile bumper, guard plate, side plate, buffer plate, instrument panel, mudguard, engine hood, body shell, etc. in transportation industry; housings of large-sized electrical devices such as motors and air conditioners in electrical devices; parts of snowmobiles, surfboards, golf carts, etc. in sports equipment, agricultural machinery, civil engineering and construction materials, etc.
However, in the process of implementing the technical solution of the invention in the embodiments of the present application, the inventors of the present application find that the above-mentioned technology has at least the following technical problems:
although polydicyclopentadiene PDCPD has a good overall performance, its strength has not yet met the higher requirements in certain specific engineering fields. The bending modulus of the polydicyclopentadiene PDCPD high molecular material is about 1790-2070 MPa, and the material rigidity of the polydicyclopentadiene PDCPD can not meet the requirement on the working condition with higher requirement on the bending modulus.
Disclosure of Invention
The embodiment of the application provides a polytriepentadiene PTCPD and polydicyclopentadiene PDCPD copolymer, so that the technical problem that the rigidity of a polydicyclopentadiene PDCPD material in the prior art is insufficient is solved, the rigidity of the polytriepentadiene PTCPD and polydicyclopentadiene PDCPD copolymer is higher than that of the existing polydicyclopentadiene PDCPD material, and the polytriepentadiene PTCPD and polydicyclopentadiene PDCPD copolymer also has excellent characteristics of acid resistance, alkali resistance, salt water corrosion resistance, halogen gas corrosion resistance, fatigue resistance and the like, and is wide in application range.
The embodiment of the application provides a polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer, which is prepared from the following components:
tricyclopentadiene TCPD;
dicyclopentadiene DCPD;
a catalyst;
wherein the weight percentage of the tricyclopentadiene TCPD is more than or equal to 10 percent and less than 50 percent.
Preferably, the weight percentage of the dicyclopentadiene DCPD is 50-89.9%.
Preferably, the weight percentage of the catalyst is 0.1-1%.
Preferably, the catalyst comprises one or more of a tungsten catalyst, a molybdenum catalyst, a ruthenium catalyst, a titanium catalyst and a rhenium catalyst.
Furthermore, the catalyst also comprises one or more of metal organic compounds of aluminum, magnesium, tin, zinc and silicon.
Further, the catalyst also comprises alcohol, phenol and BF 3 One or more of them.
Furthermore, the tungsten catalyst comprises one or more of a tungsten simple substance, tungsten oxide, tungsten halide, tungsten hydroxyl compound and heteropolytungstic acid;
the molybdenum catalyst comprises one or more of molybdenum simple substance, molybdenum oxide, molybdenum halide, molybdenum hydroxyl compound, phosphomolybdic acid and ammonium molybdate;
the ruthenium catalyst is one or more of metal ruthenium or ruthenium compounds;
the titanium catalyst is one or more of metal titanium, titanium oxide, titanium halide and titanium hydroxyl compound;
the rhenium catalyst is one or more of metal rhenium, rhenium oxide, rhenium halide and rhenium hydroxyl compound.
Preferably, the copolymer further comprises an auxiliary agent, wherein the auxiliary agent is one or more of an antioxidant, an ultraviolet absorbent, a visible light absorber, an impact resistant agent, a flame retardant, a pigment and graphene.
Preferably, the components of the copolymer further comprise a filler, and the filler is one or more of silica, alumina, montmorillonite, silica lime, titanium dioxide, asphalt and rubber.
The application also provides a preparation method of the polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer, which is characterized by comprising the following steps:
preparing raw materials into a component A and a component B, wherein the component A comprises tricyclopentadiene TCPD, and the component B comprises dicyclopentadiene DCPD and a catalyst;
mixing the A and B components in proportion, and injecting the mixture into a cavity of a closed mold; heating, polymerizing the mixture, and crosslinking, curing and molding;
and opening the mold, and demolding to obtain a poly (tricyclopentadiene PTCPD) and poly (dicyclopentadiene) PDCPD copolymer product.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. the application provides a novel poly (tricyclopentadiene) PTCPD and poly (dicyclopentadiene) PDCPD copolymer, the material is formed by copolymerizing tricyclopentadiene TCPD and dicyclopentadiene DCPD, and as the molecular weight and the rigidity of the tricyclopentadiene TCPD are large, the rigidity of the prepared poly (tricyclopentadiene) PTCPD and poly (dicyclopentadiene) PDCPD copolymer is greater than that of the existing poly (dicyclopentadiene) PDCPD high molecular material, and the technical problem of insufficient rigidity of the poly (dicyclopentadiene) PDCPD material in the prior art is solved.
2. The polytriacyclopentadiene PTCPD high polymer material provided by the application has excellent characteristics of acid resistance, alkali resistance, salt water corrosion resistance, halogen gas corrosion resistance, fatigue resistance and the like, and is wide in application range.
Detailed Description
The embodiment of the application solves the technical problem that the rigidity of the polydicyclopentadiene PDCPD material in the prior art is not enough by providing the polytriayclopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer.
In order to solve the above crosstalk problem, the technical solution in the embodiment of the present application has the following general idea:
a novel copolymer of polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD is designed, the material is copolymerized by tricyclopentadiene TCPD and dicyclopentadiene DCPD, and the copolymer specifically comprises the following components:
tricyclopentadiene TCPD;
dicyclopentadiene DCPD;
a catalyst;
wherein the weight percentage of the tricyclopentadiene TCPD is more than or equal to 10 percent and less than 50 percent.
The weight percentage of the dicyclopentadiene DCPD is 50-89.9%.
The weight percentage of the catalyst is 0.1% -1%.
The catalyst comprises one or more of tungsten catalyst, molybdenum catalyst, ruthenium catalyst, titanium catalyst and rhenium catalyst.
The catalyst also comprises one or more of metal organic compounds of aluminum, magnesium, tin, zinc and silicon. Such as triethylaluminum, tributylaluminum, diethylaluminum monochloride, triisobutylaluminum, etc.
The catalyst also comprises alcohol, phenol and BF 3 One or more of them.
The tungsten catalyst comprises one or more of tungsten simple substance, tungsten oxide, tungsten halide (such as tungsten sulfide and tungsten chloride), tungsten hydroxyl compound and heteropolytungstic acid;
the molybdenum catalyst comprises one or more of molybdenum simple substance, molybdenum oxide, molybdenum halide, molybdenum hydroxyl compound, phosphomolybdic acid and ammonium molybdate;
the ruthenium catalyst is one or more of metal ruthenium or ruthenium compounds; such as Grubbs ruthenium catalyst.
The titanium catalyst is one or more of metal titanium, titanium oxide, titanium halide and titanium hydroxyl compound;
the rhenium catalyst is one or more of metal rhenium, rhenium oxide, rhenium halide and rhenium hydroxyl compound.
According to the requirement, the components of the copolymer can also comprise an auxiliary agent, wherein the auxiliary agent is one or more of an antioxidant, an ultraviolet absorbent, a visible light absorber, an impact resistant agent, a flame retardant, a pigment and graphene.
According to the requirement, the components of the copolymer can also comprise a filler, and the filler is one or more of silicon dioxide, aluminum oxide, montmorillonite, silicon lime, titanium dioxide, asphalt and rubber.
Because the molecular weight of the tricyclopentadiene TCPD is larger than that of the dicyclopentadiene DCPD, and the rigidity of the tricyclopentadiene TCPD is larger than that of the dicyclopentadiene DCPD, the rigidity of the copolymer of the polytyclopentadiene PTCPD and the polydicyclopentadiene PDCPD is larger than that of the existing polydicyclopentadiene PDCPD high molecular material, and the technical problem of insufficient rigidity of the polydicyclopentadiene PDCPD material in the prior art is solved.
In order to better understand the technical scheme, the technical scheme is described in detail with reference to specific embodiments.
Example one
The embodiment of the application provides a polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer, which consists of the following components:
49.9 percent of tricyclopentadiene;
dicyclopentadiene, 49.99 percent by weight;
WCl 6 0.02 percent by weight;
AlEt 2 cl, 0.07 percent by weight;
C 6 H 2 Cl 4 o, 0.01 percent by weight;
in this embodiment, the preparation process of the polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer is as follows:
step S1: the raw materials are prepared into a component A and a component B, wherein the component A is tricyclopentadiene TCPD and AlEt 2 Cl and B components of dicyclopentadiene DCPD and WCl 6 、C 6 H 2 Cl 4 O；
Step S2: mixing the A and B components, and injecting the mixture into a cavity of a closed mold; heating to 60 ℃, and quickly polymerizing the mixture, and crosslinking, curing and molding;
and step S3: and opening the mold, and demolding to obtain the copolymer product of polytrieopentadiene PTCPD and poly-dicyclopentadiene PDCPD.
The flexural modulus of the poly (tricyclopentadiene PTCPD) and poly (dicyclopentadiene PDCPD) copolymer prepared in the embodiment is 2580MPa.
Example two
The embodiment of the application provides a polytriepentadiene PTCPD and polydicyclopentadiene PDCPD copolymer which consists of the following components:
30% of tricyclopentadiene TCPD by weight;
dicyclopentadiene, 69.6% by weight;
0.1 percent of ReCls;
(CH 3 ) 4 sn, 0.3 percent by weight.
In this example, the preparation process of the polyttricyclopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer is as follows:
step S1: the raw materials are prepared into two components of A and B, wherein the component A is tricyclopentadiene TCPD, (CH) 3 ) 4 Sn and B components are dicyclopentadiene DCPD and molybdenum ReCls;
step S2: mixing the A and B components, and injecting the mixture into a cavity of a closed mold; heating to 72 ℃, and quickly polymerizing the mixture, and crosslinking, curing and molding;
and step S3: and opening the mold, and demolding to obtain the copolymer product of polytrieopentadiene PTCPD and poly-dicyclopentadiene PDCPD.
The flexural modulus of the poly (tricyclopentadiene PTCPD) and poly (dicyclopentadiene PDCPD) copolymer prepared in the embodiment is 2490MPa.
EXAMPLE III
The embodiment of the application provides a polytriepentadiene PTCPD and polydicyclopentadiene PDCPD copolymer which consists of the following components:
tricyclopentadiene TCPD, 20% by weight;
dicyclopentadiene, 79.2% by weight;
CpTiCl 2 0.2 percent by weight;
CH 3 MgI, 0.6 percent by weight.
In this embodiment, the preparation process of the polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer is as follows:
step S1: the raw materials are prepared into two components of A and B, wherein the component A is tricyclopentadiene TCPD and CH 3 MgI, B component is dicyclopentadiene DCPD, cpTiCl 2 ；
Step S2: mixing the A and B components, and injecting the mixture into a cavity of a closed mold; heating to 70 ℃, and quickly polymerizing the mixture, and crosslinking, curing and molding;
and step S3: and opening the mold, and demolding to obtain the copolymer product of polytrieopentadiene PTCPD and poly-dicyclopentadiene PDCPD.
The flexural modulus of the copolymer of polyttricyclopentadiene PTCPD and polydicyclopentadiene PDCPD prepared in the embodiment is 2361MPa through detection.
Example four
The embodiment of the application provides a polytriepentadiene PTCPD and polydicyclopentadiene PDCPD copolymer which consists of the following components:
tricyclopentadiene TCPD, 11% by weight;
dicyclopentadiene, 88 percent by weight;
grubbs' ruthenium I catalyst, 1% by weight.
In this embodiment, the preparation process of the polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer is as follows:
step S1: preparing raw materials into a component A and a component B, wherein the component A is tricyclopentadiene TCPD, and the component B is dicyclopentadiene DCPD and Grubbs' I ruthenium catalyst;
step S2: mixing the A and B components, and injecting the mixture into a cavity of a closed mold; heating to 70 ℃, and quickly polymerizing the mixture, and crosslinking, curing and molding;
and step S3: and opening the mold, and demolding to obtain the copolymer product of polytrieopentadiene PTCPD and poly-dicyclopentadiene PDCPD.
The flexural modulus of the polytriale cyclopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer prepared by the embodiment is 2270MPa through detection.
While the foregoing is directed to the preferred embodiment of the present application, and not to the limiting thereof in any way and any way, it will be appreciated by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the application, and that such changes and modifications are to be considered as within the scope of the application. Those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention; meanwhile, any equivalent changes, modifications and evolutions of the above embodiments according to the essential technology of the present application are still within the scope of the technical solution of the present application.
Claims (4)
1. A polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer, wherein the copolymer is comprised of:
tricyclopentadiene TCPD, 20% by weight;
dicyclopentadiene, 79.2% by weight;
CpTiCl 2 0.2 percent by weight;
CH 3 MgI, 0.6 percent by weight.
2. A polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer, wherein the copolymer is comprised of:
tricyclopentadiene TCPD, weight percent 11%;
dicyclopentadiene, 88 percent by weight;
grubbs' ruthenium I catalyst, 1% by weight.
3. A method for preparing the polytricyclopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer of claim 1, comprising the steps of:
step S1: the raw materials are prepared into two components A and B, wherein the component A is tricyclopentadiene TCPD and CH 3 MgI, B component is dicyclopentadiene, cpTiCl 2 ；
Step S2: mixing the A and B components, and injecting the mixture into a cavity of a closed mold; heating to 70 ℃, polymerizing the mixture, and crosslinking, curing and molding;
and step S3: and opening the mold, and demolding to obtain the copolymer product of the polytrieopentadiene PTCPD and the polydicyclopentadiene PDCPD.
4. A method for preparing the polytrieopentadiene PTCPD and polydicyclopentadiene PDCPD copolymer according to claim 2, comprising the steps of:
step S1: preparing raw materials into a component A and a component B, wherein the component A is tricyclopentadiene TCPD, and the component B is dicyclopentadiene DCPD and Grubbs' I ruthenium catalyst;
step S2: mixing the A and B components, and injecting the mixture into a cavity of a closed mold; heating to 70 ℃, polymerizing the mixture, and crosslinking, curing and molding;
and step S3: and opening the mold, and demolding to obtain the copolymer product of the polytrieopentadiene PTCPD and the polydicyclopentadiene PDCPD.
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