摘要:
[Problems] To provide a film comprising a norbornene (NB) compound addition polymer that is excellent in chemical resistance, optical properties and the like, has a high Tg, a low water absorption ratio and a low linear expansion coefficient, and is soluble in an ordinary solvent.[Means for Solving Problems] A film comprising a NB compound addition polymer essentially consisting of repeating units derived from NB compound monomers, wherein the addition polymer has a specific Mw and has a sum of the units (A1) and (A2) of 70% by mol or more based on the total units, wherein the molar number of each unit satisfies the following equations: 70/30≦[{(A1)+(A2)}/(B)]≦100 and 10/90≦(A1)/(A2)≦98/2, or the addition polymer has a specific Mw and Mn and essentially consists of the units (A1) and (B), wherein the molar number of each unit satisfies the following equation: 70/30≦[(A1)/(B)]≦98/2: (A1) a unit derived from a NB compound monomer (a1) consisting of carbon atoms and hydrogen atoms with all the carbon atoms being involved in constitution of a condensed ring skeleton; (A2) a unit derived from a monomer having a structure wherein a part of hydrogen atoms of the monomer (a1) is substituted with only a hydrocarbon group having 2 or less carbon atoms; and (B) a unit derived from a monomer having a structure wherein a part of hydrogen atoms of the monomer (a1) is substituted with only a functional group having 2 or less carbon atoms, or with only a functional group having 2 or less carbon atoms and a hydrocarbon group having 2 or less carbon atoms.
摘要:
A film comprising a norbornene (NB) compound addition polymer that is excellent in chemical resistance, optical properties and the like, has a high Tg, a low water absorption ratio and a low linear expansion coefficient, and is soluble in an ordinary solvent.The film comprising a NB compound addition polymer essentially consisting of repeating units derived from NB compound monomers, wherein the addition polymer has a specific Mw and has a sum of the units (A1) and (A2) of 70% by mol or more based on the total units, wherein the molar number of each unit satisfies the following equations: 70/30≦[{(A1)+(A2)}/(B)]≦100 and 10/90≦(A1)/(A2)≦98/2, or the addition polymer has a specific Mw and Mn and essentially consists of the units (A1) and (B), wherein the molar number of each unit satisfies the following equation: 70/30≦[(A1)/(B)] ≦98/2.
摘要:
There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of the cyclopentene-derived structural units is 30% or more, a weight average molecular weight (Mw) is 100,000 to 1,000,000, and a functional group containing a structure represented by the general formula (1) or (2) is included at an end of the polymer chain. —Y—H (1) (in the above general formula (1), Y represents an oxygen atom or a sulfur atom.) —NH-Q (2) (in the above general formula (2), Q represents a hydrogen atom or a hydrocarbon group or a silyl group which may have a substituent group.)
摘要:
There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of cyclopentene-derived structural units is 30% or more, the weight average molecular weight (Mw) is 100,000 to 1,000,000, and an oxysilyl group is included at an end of the polymer chain. For example, the ring-opening polymer of cyclopentene can be obtained by ring opening polymerization of cyclopentene in the presence of a compound of a transition metal belonging to Group 6 in the Periodic Table, an organoaluminum compound represented by the following general formula (1), and an olefinically unsaturated hydrocarbon containing an oxysilyl group. (R1)3-xAl(OR2)x (1) (in the general formula (1), R1 and R2 represent a hydrocarbon group having 1 to 20 carbon atoms and x satisfies the requirement 0
摘要:
There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of cyclopentene-derived structural units is 30% or more, the weight average molecular weight (Mw) is 100,000 to 1,000,000, and an oxysilyl group is included at an end of the polymer chain. For example, the ring-opening polymer of cyclopentene can be obtained by ring opening polymerization of cyclopentene in the presence of a compound of a transition metal belonging to Group 6 in the Periodic Table, an organoaluminum compound represented by the following general formula (1), and an olefinically unsaturated hydrocarbon containing an oxysilyl group. (R1)3-xAl(OR2)x (1) (in the general formula (1), R1 and R2 represent a hydrocarbon group having 1 to 20 carbon atoms and x satisfies the requirement 0
摘要:
There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of the cyclopentene-derived structural units is 30% or more, a weight average molecular weight (Mw) is 100,000 to 1,000,000, and a functional group containing a structure represented by the general formula (1) or (2) is included at an end of the polymer chain. —Y—H (1) (in the above general formula (1), Y represents an oxygen atom or a sulfur atom.) —NH-Q (2) (in the above general formula (2), Q represents a hydrogen atom or a hydrocarbon group or a silyl group which may have a substituent group.)
摘要:
[Problems] To provide a norbornene compound addition polymer film that is excellent in heat resistance, chemical resistance, dimensional stability and the like and favorable for use for optical parts and electric insulating parts.[Means for Solving Problems] The norbornene compound addition polymer film satisfies at least either one of the following: when it is heated from 25° C. up to 200° C. and then again cooled to 25° C., the dimensional change rate thereof between before heating and after cooling is at most 100 ppm, or the dimensional change rate thereof between before and after dipping in propylene glycol monomethyl ether acetate at 25° C. for 1 hour is at most 100 ppm. The method for producing the norbornene compound addition polymer film comprises a step of maintaining the film having a residual solvent content of at most 5,000 ppm of the norbornene compound addition polymer having a glass transition temperature of T° C., at a temperature falling within a range of from the higher temperature of either (T-150)° C. or 180° C. to T° C.
摘要:
[Problems] To provide a stretched film of an addition polymer consisting of norbornene compounds favorable for use in manufacturing steps of electric insulating parts and optical parts that exhibits excellent film stability, does not suffer from coloration and has a low linear expansion coefficient.[Means for Solving Problems] A stretched film of an addition polymer consisting of norbornene compounds produced by stretching a film of the addition polymer consisting of norbornene compounds and having a linear expansion coefficient of at most 50 ppm/° C. The draw ratio is preferably from 1.2 times to 10 times. The stretched film is preferably a non-crosslinked film. A method for producing the stretched film comprises stretching a film of the addition polymer consisting of norbornene compounds at least in one direction in an inert gas atmosphere within a temperature range of the glass transition temperature (Tg) thereof ±50° C., or stretching a film of the addition polymer consisting of norbornene compounds containing an organic compound having a specific boiling point at least in one direction.
摘要:
[Problems] To provide a stretched film of an addition polymer consisting of norbornene compounds favorable for use in manufacturing steps of electric insulating parts and optical parts that exhibits excellent film stability, does not suffer from coloration and has a low linear expansion coefficient.[Means for Solving Problems] A stretched film of an addition polymer consisting of norbornene compounds produced by stretching a film of the addition polymer consisting of norbornene compounds and having a linear expansion coefficient of at most 50 ppm/° C. The draw ratio is preferably from 1.2 times to 10 times. The stretched film is preferably a non-crosslinked film. A method for producing the stretched film comprises stretching a film of the addition polymer consisting of norbornene compounds at least in one direction in an inert gas atmosphere within a temperature range of the glass transition temperature (Tg) thereof ±50° C., or stretching a film of the addition polymer consisting of norbornene compounds containing an organic compound having a specific boiling point at least in one direction.