CN1059216C - Polymeric compositions and method for preparing them - Google Patents
Polymeric compositions and method for preparing them Download PDFInfo
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- CN1059216C CN1059216C CN96114453A CN96114453A CN1059216C CN 1059216 C CN1059216 C CN 1059216C CN 96114453 A CN96114453 A CN 96114453A CN 96114453 A CN96114453 A CN 96114453A CN 1059216 C CN1059216 C CN 1059216C
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- weight
- monomer
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- polymerization
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- 239000000203 mixture Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000004793 Polystyrene Substances 0.000 claims abstract description 13
- 229920002223 polystyrene Polymers 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 239000000178 monomer Substances 0.000 claims description 32
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 28
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 17
- 229920001577 copolymer Polymers 0.000 claims description 17
- 239000003999 initiator Substances 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 14
- 238000006116 polymerization reaction Methods 0.000 claims description 13
- 150000001993 dienes Chemical class 0.000 claims description 12
- 229920002554 vinyl polymer Polymers 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 238000007334 copolymerization reaction Methods 0.000 claims description 7
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical group C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 238000010539 anionic addition polymerization reaction Methods 0.000 claims description 4
- 150000002170 ethers Chemical class 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 229920002959 polymer blend Polymers 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims 2
- 239000005062 Polybutadiene Substances 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 229920002857 polybutadiene Polymers 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 229920005684 linear copolymer Polymers 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- -1 aryl ethylene Chemical compound 0.000 description 13
- 239000005977 Ethylene Substances 0.000 description 12
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000035939 shock Effects 0.000 description 7
- 229920001400 block copolymer Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- CCZVEWRRAVASGL-UHFFFAOYSA-N lithium;2-methanidylpropane Chemical compound [Li+].CC(C)[CH2-] CCZVEWRRAVASGL-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001256 steam distillation Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 125000002897 diene group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 239000012454 non-polar solvent Substances 0.000 description 2
- VCAFTIGPOYBOIC-UHFFFAOYSA-N phenyl dihydrogen phosphite Chemical compound OP(O)OC1=CC=CC=C1 VCAFTIGPOYBOIC-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229940059574 pentaerithrityl Drugs 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920006216 polyvinyl aromatic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- MGMXGCZJYUCMGY-UHFFFAOYSA-N tris(4-nonylphenyl) phosphite Chemical compound C1=CC(CCCCCCCCC)=CC=C1OP(OC=1C=CC(CCCCCCCCC)=CC=1)OC1=CC=C(CCCCCCCCC)C=C1 MGMXGCZJYUCMGY-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
Abstract
Block polymer compositions comprise: (a) a linear copolymer constituted by four alternating blocks, represented by formula (I) or (II> B1-T-A1-B2-A2 (I> or B1-A1-B2-T-A2 (II> wherein: B1,B2,A1,A2 and T are defined as instruction. (b) a linear copolymer consitituted by two blocks, represented by formulae (III) or (IV> B3-T-A3 (III> or B3-A3 wherein: B2,A2 and T are defined as instruction. The polymeric composition, which can be blended with polystyrene, can be obtained both by blending the individual components, and by means of novel and original synthesis processes which make it possible both (A) and (B) components to be obtained simultaneously.
Description
The present invention relates to polymeric composition, it comprises:
By 4 linear copolymers of forming of block alternately, this line polymer can be used general formula (I) or (II) represent:
B
1-T-A
1-B
2-A
2(I) or
B
1-A
1-B
2-T-A
2(II) A in the formula
1, A
2, B
1, B
2Be respectively 2 aryl ethylene blocks with T; 2 diene blocks and a random copolymerization part that forms by diene and aryl ethylene monomeric unit: and
The multipolymer of forming by two blocks.Its available general formula (III) or (IV) expression:
B
3-T-A
3(III) or
B
3-A
3(IV) A in the formula
3For with A
1Block or A
2The poly-aryl ethylene block that block is similar and different; B
3For with B
1Block or B
2The polydiene block that block is similar and different, T are random copolymers mentioned above.
The technology that obtains the said components of above-mentioned blend in same synthesis technique simultaneously also belongs to category of the present invention.
This polymeric composition has the characteristic of good shock strength and workability, and has high transparency concurrently, and these features make them be suitable as transparent, anti-ballistic materials and use.
In the past few years, the segmented copolymer that obtains through segment copolymerization by conjugate diene monomer and aryl ethylene monomer, as polyhutadiene and polystyrene block copolymer, polyisoprene and polystyrene block copolymer etc. have obtained significant development, this analog copolymer can directly be used by the product that the active anion interpolymerization obtains, and also can be used after their part or all of hydrogenation.
This is the example of a class linear block copolymers, it replaces block by polydiene and poly-aryl ethylene and forms, each block of this multipolymer has special structure and distribution and has general formula (I) or (II) general structure of type, demonstrates very good isostatic physics and mechanical characteristics.N.8726075 and in co-pending patent application this based block copolymer and derivative thereof are disclosed in GB Patent Application No. by applicant.
Segmented copolymer is co-blended each other both, also can with shock proof and not shock proof polystyrene blend to obtain to have the resin of enhanced property, this point can be known from prior art equally.
At BP patent NO.1130770, BP patent NO.1335077, some compositions and/or segmented copolymer have been reported among the US patent NO.4086298, these materials are that to adopt the paradigmatic structure be suitable for those purposes be feature, pass by to use for this reason always and also use transparent shock proof polystyrene now.
But the multipolymer of applying in these documents does not demonstrate the best equilibrium on the performances such as rheological, shock strength and transparence.
This qualitative equilibrium may be improved by using polystyrene, if use polystyrene, can strengthen the optical property of resulting composition on the one hand, has but reduced its shock strength but then simultaneously.
The shortcoming that influences prior art can utilize polymeric composition of the present invention to be overcome, said composition by two meet respectively above-mentioned general formula (I) (II) and (III) or block blending multipolymer (IV) form.
According to the above description, the present invention relates to the novel polymeric composition, it comprises: (a) general formula of 40 to 90% (weight) (I) or segmented copolymer (II); (b) 10 to 60% (weight) general formula (III) or segmented copolymer (IV), wherein symbol A
1, A
2, A
3, B
1, B
2, B
3Mention hereinbefore with T.
According to polymeric composition of the present invention, the weight-average molecular weight that it is characterized in that general formula (I) or 4 one segmented copolymers (II) is in 50000 to 300000 scope, and the weight-average molecular weight of 2-segmented copolymer is in 20000 to 150000 scope.
In same composition, the weight percentage of random block T is in 5 to 50% scope, serves as better with 10 to 25% wherein.This percentage ratio is to get with reference to the total amount of two kinds of multipolymers forming blend.
In same composition, the total amount of aryl ethylene monomeric unit is in the scope of 60 to 90% (weight), and 100% remainder is the diene monomers unit.
In above-mentioned definition, block A
1, A
2, A
3And B
1, B
2And B
3Basically be pure block thing; That is to say that they almost all are made up of aryl ethylene and diene units.
In preferred practical embodiment, B block
1, B
2And B
3Be polystyrene block, T is irregular phenylethylene-butadienecopolymer.
Still in preferred practical embodiment, the total amount of diene units is in the scope of 20 to 30% (weight) in polymeric composition, and the weight-average molecular weight of 4-segmented copolymer is in 100000 to 200000 scope; The weight-average molecular weight of 2-segmented copolymer is in 40000 to 100000 scope.Another kind of polystyrene resin also can join in the above-mentioned composition as polystyrene or shock proof polystyrene, and its add-on is as the criterion with the bulk properties of first binary composition of not endangering.
According to polymeric composition of the present invention, and compare as its each single general formula (I) or segmented copolymer (II), obtained improvement in properties
According to of the present invention have general formula (I) or (II) by 4 alternately the shape block copolymer formed of block obtain by polymerization by the active anionic polymerization method of in polymkeric substance is synthetic, using always, be reflected in the organic solvent and carry out, the aliphatic series of choosing from ethers or amine or the polar compound of cyclic aliphatic can arbitrarily be added in the solvent, temperature of reaction is in 30 ° to 150 ℃ scope, preferred 50 to 100 ℃, pressure is normal atmosphere or is higher than barometric point, and carries out in the presence of above-mentioned metal alkylide or metal arylide initiator.
This synthetic route is open in N.8726075 in UK Patent Application, and this patent relates to this multipolymer and synthetic method thereof.On the contrary, meeting above-mentioned general formula (III) or 2-segmented copolymer (IV) both can be synthesized according to the method for being familiar with in the prior art, also can be synthesized, but should be confined to till the first step the latter reaction with the same synthetic method in the above-mentioned patent application.More particularly, be synthetic general formula (III) multipolymer, the divinyl and the vinylbenzene of metering are added to and becomes a mixture in the reactor, polyreaction is carried out in hydrocarbon solution, and add and to be suitable for the initiator that active anionic polymerization uses, till reaction proceeds to monomer and transforms fully fully or basically; Can obtain active 2-segmented copolymer like this
B
3-T-A
3, the multipolymer that this multipolymer is made up of non-pure block that is to say that block is to link together by the copolymerization part chain of being made up of the random binding of divinyl and styrene monomer unit in this multipolymer.
The compound that adding has acidic nature reclaims resulting polymers then to suppress the active centre in advance.
The recovery of polymer material is carried out according to a conventional method, steams as steam to desolventize, again dry polymer.
The multipolymer of general formula (IV) is to make by the anionoid polymerization effect and by prior art order interpolation monomer methods.
According to the component of polymer composition of the present invention can by the pattern of well-known prior art and route blend with cooperate.Like this, component can perhaps be mixed in the closed Banbury mixer in blend under the molten state and extrusion moulding, perhaps also can be with the form blend of solution.Applicant has also proposed the technology of novel original creation, and this technology can produce two components by single synthesis technique, and this also is to propose another object of the present invention.
According to one of this class technology, synthesize and undertaken by following stage procedure:
(1) fs, in the fs, mixture carries out copolymerization and almost completely transforms until monomer in the presence of initiator, this mixture is made up of aryl ethylene monomer and conjugated diolefine, be reflected in the non-polar solvent and carry out, selected solvent is to make weight-average molecular weight dissolve 5 to 20% (weight) at 30000 to 120000 polystyrene in this kind solvent.Initiator is that alkyl lithium compounds is to produce active polymerization system.Solvent system can contain polar compound (as ethers, amine etc.), and the peak concentration of polarity thing is 0.1% (weight is for solvent).For all amount of monomer that add in the reaction, the monomeric weight percentage in the reaction of the present invention fs in the adding mixture is in 30 to 60% scope.In the described reaction, can form an active copolymer in the above, its general formula is
B
1-T-A
1。
(2) subordinate phase, the active centre by first certain percentage ratio that step of reaction produces in subordinate phase will be suppressed, the way of inhibition be in system, be added in contain acid hydrogen atom on the chemical structure compound (as H
2O, alcohols etc.).The amount that adds the active centre inhibitor in this stage for the mole number that adds initiator in the fs, is in the scope of 10 to 50% (moles).
(3) phase III, in the phase III, add to conjugated diolefine in the reactive systems that obtains by subordinate phase and it is transformed fully.
(4) quadravalence sections add aryl ethylene and it are almost completely transformed in this stage.
(5) five-stages, adding has acid active compound so that the active centre is suppressed fully in this stage.
By the blend that obtains containing two multipolymers after the above-mentioned steps,
B
1-T-A
1-B
2-A
2+B
1-T-A
1。
This technology is to carry out under the temperature and pressure condition of above having pointed out, and this temperature is in 30 ° to 150 ℃ scopes, and preferred 50 to 100 ℃, pressure is normal pressure or is higher than normal atmosphere.
A kind of modification of the above-mentioned technology that is made of alternative reaction scheme is when the polymeric fs of monomer mixture finishes, and adds the initiator of second part of equivalent in subordinate phase.
This route has caused more active centre to generate, and the result generates foregoing pure segmented copolymer, the following " B of general formula
3-T-A
3
In this case, the order in each stage is:
(1) synthesizing and purifying diene block;
(2) and then diene block synthesizes pure aryl ethylene block;
(3) add the initiator of another part equivalent;
(4) add the mixture of being made up of diene monomers and aryl ethylene monomer, amount of monomer is in the scope of 30 to 60% (all amount of monomer that add in respect to reaction) in the adding mixture.
(5) suppress the active centre with the compound that contains acid hydrogen atom.
Use and above-mentioned disclosed similar technological process, can obtain the blend of following two kinds of polymkeric substance respectively:
B
1-A
1-B
2-T-A
2(II)+B
1-A
1(V) or
B
1-T-A
1-B
2-A
2(I)+B
2-A
2。(VI)
Wherein, B
1And B
2Be the polydiene block;
A
1And A
2Be polyvinyl aromatic hydrocarbons block;
The random polymerization of the mixture that T is made up of conjugated diolefine and vinyl-arene and the copolymerization chain portion that obtains;
Wherein segmented copolymer (II) accounts for the 40-90% of said composition gross weight, the method is characterized in that
-in the fs, make conjugated diolefine polymerization in the presence of initiator of metering with the active anionic polymerization method, transform fully fully or basically until monomer;
-in subordinate phase, the vinyl aromatic monomer of metering is added to and carries out polymerization in the reaction mass that is obtained by the fs, transform fully fully or basically until the vinyl aromatic monomer that adds;
-in the phase III, containing the compound of acid hydrogen atom by interpolation, the active centre that the last stage is generated is subjected to part and suppresses, and its amount is 10-60%;
-in the quadravalence section, the mixture that the diene of adding metering and the vinyl aromatic monomer of metering are formed continues polymerization and transforms fully fully or basically until described monomer;
-suppress the active centre in advance with the compound that contains acid hydrogen atom after, reclaim polymer blend by quadravalence section gained.
This technology is to carry out under the temperature, pressure of pointing out hereinbefore, promptly this temperature in 30 ℃ to 150 ℃ scopes, preferred 50 ℃ to 100 ℃; Pressure is normal atmosphere or is higher than normal atmosphere.
In order to reach its intended purposes, initiator is those compounds that belong to the lithium alkylide class of straight chain and side chain preferably, and the carbonatoms of preferred alkyl part is 3 to 7 lithium alkylide, as n-Butyl Lithium and isobutyl-lithium.
In the usual course, being used for the initiator amount in each stage of present method is that per hundred parts of participation polymeric monomers are 0.025 to 0.2 part (weight).
For reaching its intended purposes, suitable solvent is a non-polar solvent, and these solvents are that to dissolve weight-average molecular weight be 50000 to 200000 poly-aryl ethylene; Hexanaphthene and benzene promptly are examples in these optimal solvents.
Can contain polar compound (as ethers, amine etc.) in the above-mentioned solvent, their existence also can increase the weight of random copolymerization part T except making the polymerization rate that increases each stage generation; The scope of its usage quantity of solvent is 0.01 to 0.1 weight part relatively.Better with tetrahydrofuran (THF) in these polar compounds.
Following EXPERIMENTAL EXAMPLE is in order to illustrating the present invention, but authority of the present invention is not limited.
Embodiment 1
600g anhydrous cyclohexane, 55g vinylbenzene (purity is 99.9%) and 13g divinyl (purity is 99.85%) are added to 1000cm
3The reactor that stirs of band.Material is warming up to 50 ℃ and add 0.055g isobutyl-lithium (being dissolved in the solution of normal hexane).
After 25 minutes, the temperature of reaction mass arrives 75 ℃, and monomer almost completely transforms.Order adds pure methyl alcohol of 0.009g and 7g divinyl then.After 10 minutes, the reaction mass temperature reaches 85 ℃, and divinyl almost completely transforms.
Add 25g vinylbenzene at last, almost completely transform after 15 minutes, this moment, the temperature of reaction mass was 90 ℃.
0.5cc water is added in the polymeric solution to suppress the activity center.
Tetramethylolmethane two tetraalkyls-(3,5-two-tert-butyl-hydroxy phenyl-propionic ester) of 1.0g tricresyl phosphite phenyl ester in the ninth of the ten Heavenly Stems and 0.2g are added in the polymeric solution.
Utilize the steam distillation method to remove solvent in the dereaction to reclaim polyblend, then under 60 ℃ in vacuum chamber dry 24 hours.
The physical property of two components of gained polyblend is listed in the table 1.Machinery and the optical property of compression molded specimens in the time of 180 ℃ listed in table 2.
Table 1
| The embodiment sequence number | Mw×10 -3 (B 1 TA B 2A 2) (1) | Mw×10 -3 (B 1TA 1) (1) | Total vinylbenzene % (2) | Block styrene % (3) | Melt flow index (4) (g/10 branch) |
| 1 | 140 | 80 | 80 | 68 | 4.5 |
Analytical procedure and condition:
Gel permeation chromatography (1)
Infrared analysis (2)
Use O
sO
4Bombardment (3)
200℃，5kg(4)
Table 2
| -transparence-tensile strength-extension at break-modulus-V notch test (23 ℃) | ％ kg/cm 2 ％ kg/cm 2 kg×cm/cm | 92 230 35 8000 2.5 |
Embodiment 2
With the 850g anhydrous cyclohexane, the divinyl of 37.5g vinylbenzene and 12.5g is added in the reactor that the band of 200cm ' stirs, and the temperature of reaction system is risen to 55 ℃ and add 0.040 gram n-Butyl Lithium (being dissolved in the solution of normal hexane).
After 45 minutes, the temperature of reaction mass reaches 68 ℃, and monomer almost completely transforms.
Successively 0.032g n-Butyl Lithium and 37.5g divinyl are added in the reaction soln subsequently, the afterreaction material temperature reached 75 ℃ in 20 minutes.Monomer almost completely transforms.
Then 112.5g vinylbenzene is added in the polymeric solution, monomer transforms fully after 60 minutes.
Subsequently 2g methyl alcohol is added to contain polyblend the solution center with inhibited reaction.The interpolation of antioxidant, the recovery of polymkeric substance and dry can being undertaken by the method identical with embodiment 1.
The physical property of two components is listed in the table 3 in the polyblend.
Machinery and the optical property of the sample of compression molding in the time of 180 ℃ listed in the table 4.
Table 3
| The embodiment sequence number | Mw×10 -3 (B 1TA 1B 2A 2) | Mw×10 -3 (B 2A 2) | Total vinylbenzene % | Block styrene % | Melt flow index (g/10 branch) |
| 2 | 170 | 85 | 75 | 65 | 3.5 |
Table 4
| -transparence-tensile strength-extension at break-modulus-V notch test (23 ℃) | ％ kg/cm 2 ％ kg/cm 2 kg×cm/cm | 86 165 100 7,000 3.2 |
Embodiment 3
It is in 1.51 the reactor that 1.2Kg hexanaphthene, 0.3g tetrahydrofuran (THF), 100g vinylbenzene and 45g divinyl are added to volume.Temperature of charge is risen to 50 ℃ and add 0.12g n-Butyl Lithium (being dissolved in the solution of normal hexane).
After 30 minutes, the temperature of reaction mass reaches 80 ℃, and monomer transforms basically fully.
Then successively 0.012g water and 15g divinyl are added in the reaction system.
After 10 minutes, the temperature of reaction mass reaches 90 ℃, and divinyl transforms fully.
Add 40g vinylbenzene at last, after reaction in 15 minutes, transform fully.
Before reclaiming solid polymer, in reaction system, add the 2g Virahol so that the inhibited reaction active centre.
After adding the same antioxidant of embodiment 1, reclaim solid polymer with steam distillation to remove the method for desolvating, subsequently with solid residue 65 ℃ of dryings 24 hours down.
The physics-chem characteristic of products therefrom is listed in table 5.
Table 5
| The embodiment sequence number | Vinylbenzene % | Block styrene % | Mw×10 -3 (B 1TA 1B 2A 2) | Mw×10 -3 (B 1TA 2) | Melt flow index (g/10 branch) |
| 3 | 70 | 50 | 130 | 80 | 8.5 |
Embodiment 4
With 5Kg embodiment 3 described mixtures and the commercially available crystal polystyrene (Mw (GPC)=250 * 10 of 5Kg
3) mix mutually.This material is sent in the twin screw extruder that heating jacket is housed, and this operation repeats twice so that make material obtain best mixing.Then material is made the long particle of 0.5cm.
The compound pressing mold that makes is thus made sample, and measures its character down at 180 ℃, and gained the results are shown in table 6.
Table 6
| -melt flow index-transparence-tensile strength-extension at break-modulus-V notch test | G/10 divides % kg/cm 2 ％ kg/cm 2 kg×cm/cm | 8.2 90 185 100 12,000 3.5 |
Embodiment 5
It is in 11 the reactor that 600g anhydrous cyclohexane and 30g divinyl (purity is 99.84%) are added to volume, and this material is heated to 60 ℃ and add 0.09g isobutyl-lithium.
After 20 minutes, butadiene polymerization fully and temperature of reaction be about 60 ℃.
Then 70g vinylbenzene (purity is 99.9%) is added in the reaction system, complete at 20 fens clock time internal reactions.In the described time, the temperature of reaction mass reaches 82 ℃.
The mixture of successively initiator (n-Butyl Lithium), 70g vinylbenzene and the 30g divinyl of 0.058g being formed is added in the reaction mass subsequently.
Be reflected at that to carry out in 25 minutes and react end temp be 102 ℃.
When this end of processing, in reaction system, add the active centre of 3g methyl alcohol with inhibited reaction.
Again 0.8g TNPP (tricresyl phosphite phenyl ester in the ninth of the ten Heavenly Stems) and 0.15g tetramethylolmethane-tetraalkyl-(3,5-two-tert-butyl-hydroxy phenyl-propionic acid ketone) are added in the polymeric solution.
Remove the method desolvate with steam distillation and reclaim polymkeric substance, then the polymkeric substance that will reclaim in vacuum chamber 60 ℃ dry 36 hours down.
The physics-chem characteristic and the mechanical properties of gained polyblend are listed in table 7 and table 8.
Table 7
| The embodiment sequence number | Total vinylbenzene % | Block styrene % | Mw×10 -3 (B 1A 1B 2TA 2) | Mw×10 -3 (B 1TA 2) | Melt flow index (g/10 branch) |
| 5 | 70 | 56 | 125 | 75 | 10 |
Table 8
| -transparence-extension at break-tensile strength-modulus-V notch test (23 ℃) | ％ ％ kg/cm 2 kg/cm 2 kg×cm/cm | 85 125 1.10 6,800 5.0 |
Claims (10)
1. the method for preparing polymeric composition, said composition comprise the blend of following two kinds of polymkeric substance:
B
1-A
1-B
2-T-A
2 (II)
With
B
1-A
1 (V)
Wherein, B
1And B
2Be the polydiene block;
A
1And A
2Be polyvinyl aryl block;
The random polymerization of the mixture that T is made up of conjugated diolefine and vinyl-arene and the copolymerization chain portion that obtains;
Wherein segmented copolymer (II) accounts for the 40-90% of said composition gross weight, the method is characterized in that
-in the fs, make conjugated diolefine polymerization in the presence of initiator of metering with the active anionic polymerization method, transform fully fully or basically until monomer;
-in subordinate phase, the vinyl aromatic monomer of metering is added to and carries out polymerization in the reaction mass that is obtained by the fs, transform fully fully or basically until the vinyl aromatic monomer that adds;
-in the phase III, containing the compound of acid hydrogen atom by interpolation, the active centre that the last stage is generated is subjected to part and suppresses, and its amount is 10-60%;
-in the quadravalence section, the mixture that the diene of adding metering and the vinyl aromatic monomer of metering are formed continues polymerization and transforms fully fully or basically until described monomer;
-suppress the active centre in advance with the compound that contains acid hydrogen atom after, reclaim polymer blend by quadravalence section gained.
2. method according to claim 1, it is characterized in that general formula (II) or (V) weight-average molecular weight of polymkeric substance in 20000 to 150000 scope.
3. method according to claim 1 is characterized in that in described composition, and the gross weight of vinyl aromatic monomer is in the scope of 60-90%, and all the other are the diene monomers unit.
4. method according to claim 1 is characterized in that diene block is a polybutadiene block, and polyvinyl aryl block is a polystyrene block.
5. method according to claim 1 is characterized in that, polyreaction is in organic aliphatic series or cyclic aliphatic solvent, and temperature range is at 30-150 ℃, and pressure is that normal atmosphere or be higher than under the normal atmosphere carries out.
6. method according to claim 5, it is characterized in that polyreaction can be carried out in the presence of at least a straight chain or cyclic polar compound, this polar compound can be chosen from ethers or aminated compounds, relative solvent, the scope of its usage quantity is 0.01 to 0.1 weight part.
7. method according to claim 5 is characterized in that, solvent is a hexanaphthene, and the temperature range of reaction is 50 to 100 ℃.
8. method according to claim 1 is characterized in that used initiator is metal alkylide or metal arylide.
9. method according to claim 8 is characterized in that initiator is that the carbonatoms of moieties is 3 to 7 lithium alkylide, and with respect to per 100 parts of (weight) vinyl aromatic monomers, the consumption of this initiator is 0.025 to 0.20 part (weight).
10. method according to claim 1 is characterized in that diene is a divinyl, and the vinyl aromatic (co) hydrocarbon compound is a vinylbenzene.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8823088A IT1227901B (en) | 1988-12-23 | 1988-12-23 | POLYMERIC COMPOSITIONS AND THEIR PREPARATION METHOD |
| IT23088A/88 | 1988-12-23 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89109475A Division CN1036139C (en) | 1988-12-23 | 1989-12-23 | Polymeric compositions and method for preparing them |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1158866A CN1158866A (en) | 1997-09-10 |
| CN1059216C true CN1059216C (en) | 2000-12-06 |
Family
ID=11203654
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89109475A Expired - Lifetime CN1036139C (en) | 1988-12-23 | 1989-12-23 | Polymeric compositions and method for preparing them |
| CN96114453A Expired - Lifetime CN1059216C (en) | 1988-12-23 | 1996-11-12 | Polymeric compositions and method for preparing them |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89109475A Expired - Lifetime CN1036139C (en) | 1988-12-23 | 1989-12-23 | Polymeric compositions and method for preparing them |
Country Status (15)
| Country | Link |
|---|---|
| CN (2) | CN1036139C (en) |
| BE (1) | BE1003108A3 (en) |
| BR (1) | BR8906764A (en) |
| CA (1) | CA2005285A1 (en) |
| DE (1) | DE3942668C2 (en) |
| DK (1) | DK623289A (en) |
| ES (1) | ES2021927A6 (en) |
| FI (1) | FI896042A0 (en) |
| FR (1) | FR2640979A1 (en) |
| GB (1) | GB2226322B (en) |
| IT (1) | IT1227901B (en) |
| MX (1) | MX169895B (en) |
| NL (1) | NL194674C (en) |
| NO (1) | NO177599C (en) |
| SE (1) | SE502757C2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW446733B (en) * | 1998-03-05 | 2001-07-21 | Japan Elastomer Co Ltd | Block copolymer composition for modifying asphalt and asphalt composition comprising the same |
| CN1219821C (en) * | 2000-06-27 | 2005-09-21 | 埃克森美孚化学专利公司 | Tetrablock copolymer |
| US6576686B1 (en) | 2000-06-27 | 2003-06-10 | Exxonmobil Chemical Patents Inc. | Road marking compound comprising linear tetrablock copolymers |
| EP3019542B1 (en) * | 2013-07-08 | 2017-07-05 | INEOS Styrolution Group GmbH | Mono vinyl aromatic conjugated diene block copolymer and polymer composition comprising said block copolymer and a mono vinylarene acrylate copolymer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152370A (en) * | 1978-02-09 | 1979-05-01 | Phillips Petroleum Company | Preparation, composition, and use of block polymers |
| CN86108591A (en) * | 1986-03-24 | 1987-10-07 | 菲利浦石油公司 | End cracking resistance, polymorphic is the line-type block polymer of arborescens block |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1130770A (en) * | 1965-12-29 | 1968-10-16 | Asahi Chemical Ind | Process for producing thermoplastic elastomers |
| DE2013986A1 (en) * | 1970-03-24 | 1971-10-14 | Huels Chemische Werke Ag | Process for the production of transparent, impact-resistant two segment copolymers seeds |
| US4208356A (en) * | 1974-09-17 | 1980-06-17 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for producing mixture of block copolymers |
| DE2550226C2 (en) * | 1975-11-08 | 1984-12-13 | Basf Ag, 6700 Ludwigshafen | Branched block copolymers and process for their preparation |
| US4223190A (en) * | 1977-12-01 | 1980-09-16 | Olson Delwyn L | Mercury float switch |
| LU86698A1 (en) * | 1986-12-04 | 1988-07-14 | Labofina Sa | PROCESS FOR PRODUCING TRANSPARENT BLOCK COPOLYMERS |
| IT1222429B (en) * | 1987-07-31 | 1990-09-05 | Enichem Elastromeri S P A | BLOCK COPOLYMER PROCEDURE FOR ITS PREPARATION |
-
1988
- 1988-12-23 IT IT8823088A patent/IT1227901B/en active
-
1989
- 1989-12-08 SE SE8904152A patent/SE502757C2/en not_active IP Right Cessation
- 1989-12-11 GB GB8927958A patent/GB2226322B/en not_active Expired - Fee Related
- 1989-12-11 DK DK623289A patent/DK623289A/en not_active Application Discontinuation
- 1989-12-12 CA CA002005285A patent/CA2005285A1/en not_active Abandoned
- 1989-12-14 MX MX018728A patent/MX169895B/en unknown
- 1989-12-18 NO NO895089A patent/NO177599C/en unknown
- 1989-12-18 FI FI896042A patent/FI896042A0/en not_active Application Discontinuation
- 1989-12-21 BR BR898906764A patent/BR8906764A/en not_active IP Right Cessation
- 1989-12-21 NL NL8903136A patent/NL194674C/en not_active IP Right Cessation
- 1989-12-21 FR FR8916948A patent/FR2640979A1/en active Granted
- 1989-12-21 BE BE8901371A patent/BE1003108A3/en not_active IP Right Cessation
- 1989-12-22 DE DE3942668A patent/DE3942668C2/en not_active Expired - Lifetime
- 1989-12-22 ES ES9000114A patent/ES2021927A6/en not_active Expired - Fee Related
- 1989-12-23 CN CN89109475A patent/CN1036139C/en not_active Expired - Lifetime
-
1996
- 1996-11-12 CN CN96114453A patent/CN1059216C/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152370A (en) * | 1978-02-09 | 1979-05-01 | Phillips Petroleum Company | Preparation, composition, and use of block polymers |
| CN86108591A (en) * | 1986-03-24 | 1987-10-07 | 菲利浦石油公司 | End cracking resistance, polymorphic is the line-type block polymer of arborescens block |
Also Published As
| Publication number | Publication date |
|---|---|
| SE502757C2 (en) | 1996-01-08 |
| IT1227901B (en) | 1991-05-14 |
| SE8904152D0 (en) | 1989-12-08 |
| NL8903136A (en) | 1990-07-16 |
| FR2640979A1 (en) | 1990-06-29 |
| NO895089D0 (en) | 1989-12-18 |
| MX169895B (en) | 1993-07-29 |
| BE1003108A3 (en) | 1991-11-26 |
| CN1158866A (en) | 1997-09-10 |
| CN1036139C (en) | 1997-10-15 |
| CA2005285A1 (en) | 1990-06-23 |
| NO895089L (en) | 1990-06-25 |
| NL194674C (en) | 2002-11-04 |
| FI896042A0 (en) | 1989-12-18 |
| NL194674B (en) | 2002-07-01 |
| BR8906764A (en) | 1990-09-18 |
| NO177599B (en) | 1995-07-10 |
| DE3942668C2 (en) | 1994-10-13 |
| GB8927958D0 (en) | 1990-02-14 |
| NO177599C (en) | 1995-10-18 |
| SE8904152L (en) | 1990-06-24 |
| DK623289D0 (en) | 1989-12-11 |
| ES2021927A6 (en) | 1991-11-16 |
| GB2226322B (en) | 1992-06-03 |
| CN1043512A (en) | 1990-07-04 |
| DK623289A (en) | 1990-06-24 |
| GB2226322A (en) | 1990-06-27 |
| IT8823088A0 (en) | 1988-12-23 |
| FR2640979B1 (en) | 1993-08-06 |
| DE3942668A1 (en) | 1990-06-28 |
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