WO2011135852A1 - 繊維複合樹脂シート製造装置、繊維複合樹脂シート製造方法および表示素子用樹脂基板 - Google Patents

繊維複合樹脂シート製造装置、繊維複合樹脂シート製造方法および表示素子用樹脂基板 Download PDF

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WO2011135852A1
WO2011135852A1 PCT/JP2011/002461 JP2011002461W WO2011135852A1 WO 2011135852 A1 WO2011135852 A1 WO 2011135852A1 JP 2011002461 W JP2011002461 W JP 2011002461W WO 2011135852 A1 WO2011135852 A1 WO 2011135852A1
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Prior art keywords
resin precursor
fiber composite
curing
resin sheet
resin
Prior art date
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PCT/JP2011/002461
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English (en)
French (fr)
Japanese (ja)
Inventor
磯部大輔
後藤英樹
Original Assignee
住友ベークライト株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 住友ベークライト株式会社 filed Critical 住友ベークライト株式会社
Priority to KR1020127029321A priority Critical patent/KR20130065652A/ko
Priority to JP2012512670A priority patent/JP5464459B2/ja
Priority to CN2011800206704A priority patent/CN102905865A/zh
Publication of WO2011135852A1 publication Critical patent/WO2011135852A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with or embedded in a plastic substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
    • B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
    • B29B15/10—Coating or impregnating independently of the moulding or shaping step
    • B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
    • B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
    • B29B15/125—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex by dipping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0872—Prepregs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B29K2105/256—Sheets, plates, blanks or films

Definitions

  • the present invention relates to a fiber composite resin sheet manufacturing apparatus, a fiber composite resin sheet manufacturing method, and a display element resin substrate.
  • the resin precursor in the resin precursor-impregnated fabric is often thermoset using a heating device (for example, Japanese Patent Application Laid-Open No. 2008-105287). Publication).
  • An object of the present invention is to improve the production efficiency of a fiber composite resin sheet without deteriorating the quality of the fiber composite resin sheet.
  • the fiber composite resin sheet manufacturing apparatus includes a resin precursor-impregnated fabric feed unit, an energy beam irradiation unit, and a heating unit.
  • the resin precursor-impregnated fabric feed section feeds a fabric impregnated with a resin precursor composition that is cured by heating and energy ray irradiation (hereinafter referred to as “resin precursor-impregnated fabric”) in one direction.
  • the energy ray irradiation unit irradiates the resin precursor-impregnated fabric with energy rays to semi-cur the resin precursor composition in the resin precursor-impregnated fabric.
  • a heating part is arrange
  • This heating part heats the resin precursor composition semi-hardened by the energy ray irradiation part, and fully cures the resin precursor composition.
  • “Semi-cured” means a state in which the curing reaction of the resin precursor composition is completed by less than 80%
  • “total curing” means a state in which the curing reaction of the resin precursor composition is completed by 80% or more. Means.
  • the energy beam irradiation unit is disposed upstream of the heating unit in the direction of feeding the resin precursor-impregnated fabric.
  • the curing rate at the initial stage of the curing reaction is faster in the case of irradiation with energy rays than in the case of heating.
  • the curing rate at the end of the curing reaction is usually faster in the case of curing by heating than in the case of curing by energy beam irradiation.
  • the resin precursor composition in the resin precursor-impregnated fabric is semi-cured to a certain level in a short time in the energy ray irradiation section, and then fully cured in a heating section in a short time. Will be. Therefore, if this fiber composite resin sheet manufacturing apparatus is used, the curing time of the resin precursor composition in the resin precursor-impregnated fabric can be shortened compared to the conventional case, and the manufacturing efficiency of the fiber composite resin sheet can be reduced. Can be improved.
  • the heating unit heats the resin precursor composition semi-cured by the energy ray irradiation unit to fully cure the resin precursor composition. For this reason, in this fiber composite resin sheet manufacturing apparatus, the heat curing time can be shortened without increasing the heating temperature. Thereby, if this fiber composite resin sheet manufacturing apparatus is utilized, the thermal history of the cured resin in the fiber composite resin sheet can be maintained, and in some cases reduced.
  • the production efficiency of the fiber composite resin sheet can be improved while improving the quality of the fiber composite resin sheet in some cases without reducing the quality of the fiber composite resin sheet. Can do.
  • the fiber composite resin sheet manufacturing apparatus includes a resin precursor-impregnated fabric feed section, a first curing section, and a second curing section.
  • the resin precursor-impregnated fabric feed section feeds a fabric impregnated with a resin precursor composition that is cured by at least one of heating and energy ray irradiation (hereinafter referred to as “resin precursor-impregnated fabric”) in one direction.
  • the first curing part semi-cures the resin precursor composition in the resin precursor-impregnated fabric.
  • a 2nd hardening part is arrange
  • this 2nd hardening part fully hardens the resin precursor composition semi-hardened by the 1st hardening part.
  • the value which deducted the highest temperature of a 1st hardening part from the highest temperature of a 2nd hardening part is 50 degreeC or more.
  • a 1st hardening part and a 2nd hardening part are tunnel furnaces, for example.
  • the first curing unit may be an energy beam irradiation unit.
  • the second curing unit may be configured by connecting a plurality of tunnel furnaces so that the heating temperature changes step by step. In such a case, the total length of each tunnel furnace can be determined in consideration of the heating time.
  • the second curing unit fully cures the resin precursor composition semi-cured by the first curing unit. For this reason, in this fiber composite resin sheet manufacturing apparatus, the curing time in the second curing unit can be shortened without excessively increasing the heating temperature in the second curing unit. Therefore, if this fiber composite resin sheet manufacturing apparatus is used, the curing time of the resin precursor composition in the resin precursor-impregnated fabric can be shortened as compared with the prior art, and the heat of the cured resin in the fiber composite resin sheet can be reduced. The history can be maintained and in some cases reduced. Moreover, in order to acquire the said effect, in this fiber composite resin sheet manufacturing apparatus, it is preferable that the value which deducted the highest temperature of a 1st hardening part from the highest temperature of a 2nd hardening part is 50 degreeC or more.
  • the production efficiency of the fiber composite resin sheet can be improved while improving the quality of the fiber composite resin sheet in some cases without reducing the quality of the fiber composite resin sheet. Can do.
  • the fiber composite resin sheet manufacturing apparatus is the fiber composite resin sheet manufacturing apparatus according to the second aspect, wherein the maximum temperature of the second curing portion is 50 ° C. or higher and 300 ° C. or lower. Is preferred.
  • the resin precursor composition can be fully cured in this fiber composite resin sheet manufacturing apparatus.
  • the fiber composite resin sheet manufacturing method includes an energy ray irradiation step and a heating step.
  • a fabric impregnated with a resin precursor composition that is cured by heating and energy beam irradiation (hereinafter referred to as “resin precursor-impregnated fabric”) is irradiated with energy rays, and the resin in the resin precursor-impregnated fabric The precursor composition is semi-cured.
  • the resin precursor composition semi-cured in the energy ray irradiation step is heated to fully cure the resin precursor composition.
  • the heating process is executed after the energy beam irradiation process is completed.
  • the curing rate at the initial stage of the curing reaction is higher when irradiated with energy rays than when heated.
  • the degree of curing at the end of the curing reaction is usually higher in the case of heating by energy beam irradiation.
  • the resin precursor composition in the resin precursor-impregnated fabric is semi-cured to a certain level in a short period by irradiation with energy rays, and then fully cured in a short period by heating. It will be. Therefore, if this fiber composite resin sheet manufacturing method is used, the curing time of the resin precursor composition in the resin precursor impregnated fabric can be shortened as compared with the conventional method, and the manufacturing efficiency of the fiber composite resin sheet can be reduced. Can be improved.
  • the resin precursor composition semi-cured in the energy ray irradiation step is heated to completely cure the resin precursor composition.
  • the heat curing time can be shortened without increasing the heating temperature.
  • the fiber composite resin sheet manufacturing efficiency can be improved while reducing the quality of the fiber composite resin sheet and possibly improving the quality of the fiber composite resin sheet. Can do.
  • the fiber composite resin sheet manufacturing method includes a first curing step and a second curing step.
  • the resin precursor composition in the fabric impregnated with the resin precursor composition that is cured by at least one of heating and energy ray irradiation (hereinafter referred to as “resin precursor-impregnated fabric”) is semi-cured.
  • the resin precursor composition semi-cured in the first curing step is fully cured.
  • the value which deducted the highest temperature of the 1st hardening process from the highest temperature of the 2nd hardening process is 50 degreeC or more.
  • the first curing step may be an energy ray irradiation step.
  • the heating temperature may be changed stepwise.
  • the maximum temperature of a 2nd hardening part is 50 degreeC or more and 300 degrees C or less.
  • the resin precursor composition semi-cured in the first curing step is fully cured.
  • the curing time in the second curing step can be shortened without excessively increasing the heating temperature in the second curing step.
  • the curing time of the resin precursor composition in the resin precursor impregnated fabric can be shortened as compared with the prior art, and the cured resin in the fiber composite resin sheet can be reduced. Thermal history can be maintained and possibly reduced.
  • the value which deducted the highest temperature of a 1st hardening process from the highest temperature of a 2nd hardening process is 50 degreeC or more.
  • the fiber composite resin sheet manufacturing efficiency can be improved while reducing the quality of the fiber composite resin sheet and possibly improving the quality of the fiber composite resin sheet. Can do.
  • a fiber composite resin sheet manufacturing method is a fiber composite resin sheet manufacturing method according to the fourth aspect or the fifth aspect, and the resin precursor includes a resin precursor and thermosetting start.
  • An agent and an energy ray curing initiator are contained.
  • the resin precursor starts a curing reaction by generation of active species.
  • the thermosetting initiator generates active species by heating.
  • a cationic thing is preferable.
  • the energy ray curing initiator generates active species by energy ray irradiation.
  • the energy ray curing initiator is preferably a cationic one.
  • a fiber composite resin sheet manufacturing method is a fiber composite resin sheet manufacturing method according to any one of the fourth to sixth aspects, wherein the fabric is a glass fabric composed of glass fibers. is there.
  • the “glass fabric” referred to here is, for example, a glass cloth or a glass nonwoven fabric.
  • the quality of the fiber composite resin sheet may be improved without reducing the quality of the glass fiber composite resin sheet, and the production efficiency of the fiber composite resin sheet may be improved. Can be improved.
  • the fiber composite resin sheet manufacturing method according to the eighth aspect of the present invention is the fiber composite resin sheet manufacturing method according to the seventh aspect, wherein the resin precursor is an epoxy resin precursor or an acrylic resin precursor.
  • the glass fiber epoxy resin composite sheet or the glass fiber acrylic resin may be reduced in some cases without deteriorating the quality of the glass fiber epoxy resin composite sheet or the glass fiber acrylic resin composite sheet.
  • the production efficiency of the glass fiber epoxy resin composite sheet or the glass fiber acrylic resin composite sheet can be improved while improving the quality of the composite sheet.
  • the fiber composite resin sheet manufacturing method according to the ninth aspect of the present invention is a fiber composite resin sheet manufacturing method according to the eighth aspect, wherein the resin precursor contains two or more kinds of resin precursors and is made of glass fiber.
  • the refractive index is substantially the same as the refractive index.
  • the low birefringence of the transparent glass fiber composite resin sheet may be reduced in some cases without impairing the low birefringence of the transparent glass fiber composite resin sheet. While improving, the manufacturing efficiency of a transparent glass fiber composite resin sheet can be improved.
  • the resin substrate for display elements according to the tenth aspect of the present invention comprises a fiber composite resin sheet obtained by the fiber composite resin sheet manufacturing method according to any of the fourth to ninth aspects.
  • the display element resin substrate is manufactured using a fiber composite resin sheet having no thermal distortion, the optical anisotropy (retardation) is low.
  • the fiber composite resin sheet manufacturing apparatus 100 mainly includes a resin precursor-impregnated fabric feed unit 110, an immersion tank 120, an energy ray irradiation unit 130, and a heating unit 140. Is done.
  • the resin precursor impregnated fabric 152 is produced by impregnating the fabric 151 with the resin precursor composition.
  • the resin precursor impregnated fabric 152 is heated and irradiated with energy rays, the resin precursor composition of the resin precursor impregnated fabric 152 is cured, and a fiber composite resin sheet 153 is obtained.
  • these configurations will be described in detail.
  • the resin precursor impregnated fabric feed unit 110 is composed of a conveyor, a roller, or the like.
  • the roll-shaped fabric 151 is unwound and the fabric 151 is moved in one direction (open arrow) in the order of the immersion tank 120, the energy ray irradiation unit 130, and the heating unit 140.
  • the immersion tank 120 is a tank in which the resin precursor composition is stored. When the fabric 151 passes through the bath of the immersion bath 120, the fabric 151 is impregnated with the resin precursor composition, and the resin precursor-impregnated fabric 152 is obtained.
  • the energy beam irradiation unit 130 irradiates the resin precursor-impregnated fabric 152 with energy rays, and semi-cures the resin precursor composition impregnated in the resin precursor-impregnated fabric 152.
  • Examples of the energy rays irradiated from the energy ray irradiation unit 130 include ultraviolet rays (UV), electron beams (EB), and infrared rays (IR).
  • UV ultraviolet rays
  • EB electron beams
  • IR infrared rays
  • Semi-curing refers to a state where the curing reaction of the resin precursor composition is completed by less than 80%.
  • temperature control is normally made so that atmospheric temperature becomes lower than the setting temperature of the below-mentioned heating part 140. preferable. Further, in the energy beam irradiation unit 130, temperature control is performed so that the outlet temperature (final processing temperature) becomes substantially equal to the inlet temperature (initial processing temperature) (that is, the inside becomes a constant temperature).
  • the heating unit 140 is disposed downstream of the energy ray irradiation unit 130 in the direction of feeding the resin precursor-impregnated fabric.
  • the total curing means a state where the curing reaction of the resin precursor composition is completed by 80% or more. From the viewpoint of improving the quality of the obtained fiber composite resin sheet 153, it is preferable that the curing reaction of the resin precursor composition is completed by 90% or more.
  • this heating unit 140 is usually configured by connecting a plurality of tunnel furnaces in series. Each tunnel furnace is temperature-set so that the heating temperature changes stepwise from the inlet side toward the maximum temperature portion. Usually, it is preferable that the maximum temperature of the tunnel furnace is set so that the temperature is 50 ° C. or higher and 300 ° C. or lower. By setting the temperature of the tunnel furnace within the above range, the fiber composite resin sheet is sufficiently cured, and problems such as decomposition and burning of the resin component can be reduced.
  • the degree of completion of the curing reaction of the resin precursor composition can be determined, for example, by determining an area ratio of exothermic peaks by differential scanning calorimetry (DSC) of the resin precursor composition.
  • the degree of completion of the curing reaction of the resin precursor composition in the case of semi-curing is obtained by the following formula.
  • Degree of completion of curing reaction of resin precursor composition ⁇ (area of exothermic peak due to DSC of resin precursor composition in a state where no curing reaction has occurred) ⁇ (resin precursor composition in a state in which a curing reaction has occurred by irradiation with energy rays) Of exothermic peak by DSC of the product ⁇ / (area of exothermic peak by DSC of the resin precursor composition in a state where no curing reaction has occurred) ⁇ 100 (%)
  • the degree of completion of the curing reaction of the resin precursor composition in the case of total curing can be obtained by the following formula.
  • Degree of completion of curing reaction of resin precursor composition ⁇ (Area of exothermic peak by DSC of resin precursor composition in a state where no curing reaction has occurred) ⁇ (Resin precursor in a state in which a curing reaction has occurred by irradiation with energy rays and heating) Exothermic peak area by DSC of body composition) ⁇ / (Exothermic peak area by DSC of resin precursor composition in a state in which no curing reaction has occurred) ⁇ 100 (%)
  • the exothermic peak of the resin precursor composition is measured, for example, by setting the temperature rising rate of DSC to 5 ° C./min.
  • the fiber composite resin sheet 153 manufactured by the fiber composite resin sheet manufacturing apparatus 100 will be described. As shown in FIG. 2, the fiber composite resin sheet 153 includes a resin 154 formed by fully curing the resin precursor composition, and a fabric 151 covered with the resin 154.
  • the fabric 151 an arbitrary fiber material is used.
  • glass fibers that are inorganic fibers are used.
  • the fabric 151 composed of glass fibers is a glass fabric such as a glass cloth or a glass nonwoven fabric.
  • the weave structure of the glass fiber include plain weave, Nanako weave, satin weave and twill weave.
  • the glass fiber material include E glass, C glass, A glass, S glass, D glass, T glass, NE glass, quartz glass, low induction glass, and high induction glass.
  • the resin precursor composition that is a material of the resin 154 contains a resin precursor, a thermosetting initiator, and an energy beam curing initiator.
  • the resin precursor is one whose curing reaction is initiated by generation of active species, such as an epoxy resin precursor, an acrylic resin precursor, a phenol resin precursor, and a cyanate resin.
  • active species such as an epoxy resin precursor, an acrylic resin precursor, a phenol resin precursor, and a cyanate resin.
  • the epoxy resin precursor for example, a precursor such as an alicyclic epoxy resin or triglycidyl isocyanurate is used.
  • acrylic resin precursor for example, a thermosetting or photocurable acrylic resin precursor or the like is used.
  • the thermosetting initiator generates active species by heating, and is preferably a cationic one.
  • the energy ray curing initiator generates active species by irradiation with energy rays, and is preferably a cationic one.
  • Specific examples of the energy ray curing initiator include those corresponding to the energy rays irradiated from the energy ray irradiation unit 130 among UV curing initiators, EB curing initiators, IR curing initiators, and the like.
  • the resin precursor composition can generate active species in each of energy beam irradiation and heating.
  • the fiber composite resin sheet manufacturing apparatus 100 can control independently the hardening by energy ray irradiation and the hardening by heating.
  • the roll-shaped fabric 151 is unwound by the resin precursor-impregnated fabric feed unit 110 and sent to the dipping tank 120. Then, the fabric 151 is impregnated with the resin precursor composition in the immersion tank 120. The fabric 151 impregnated with the resin precursor composition becomes a resin precursor-impregnated fabric 152 and is sent to the energy beam irradiation unit 130.
  • the energy ray irradiation unit 130 irradiates the resin precursor impregnated fabric 152 with energy rays to generate active species from the energy ray curing initiator in the resin precursor composition of the resin precursor impregnated fabric 152.
  • the generated active species initiates the curing reaction of the resin precursor composition.
  • the resin precursor-impregnated fabric 152 is sent to the heating unit 140.
  • the heating unit 140 heats the resin precursor-impregnated fabric 152 that has been irradiated with energy rays and the resin precursor composition is semi-cured to generate active species from the thermosetting initiator in the resin precursor composition.
  • the curing reaction of the resin precursor composition is started again by the generated active species.
  • a fiber composite resin sheet 153 is obtained.
  • the manufactured fiber composite resin sheet 153 is used for a resin substrate for a display element such as a transparent substrate for display. Since the resin substrate for display elements is made of the fiber composite resin sheet 153 without thermal distortion, the optical anisotropy (retardation) is lowered.
  • the curing rate at the initial stage of the curing reaction is faster in the case of energy beam irradiation than in the case of heating.
  • the curing rate at the end of the curing reaction is faster when heating is performed than when energy beam is irradiated.
  • the resin precursor composition in the resin precursor impregnated fabric 152 is semi-cured to a certain level in a short time by irradiation of energy rays in the energy ray irradiation unit 130 and then heated in the heating unit 140 in a short time. Fully cured.
  • the curing time of the resin precursor composition in the resin precursor-impregnated fabric 152 can be shortened compared to the conventional case, and as a result, the production efficiency of the fiber composite resin sheet 153 can be improved.
  • the fiber composite resin sheet manufacturing apparatus 100 shortens the curing time of the resin precursor composition without increasing the heating temperature of the heating unit 140. Thereby, the thermal history of the resin 154 in the fiber composite resin sheet 153 can be maintained or reduced while shortening the curing time of the resin precursor composition.
  • the fiber composite resin sheet manufacturing apparatus 100 configured as described above manufactures the fiber composite resin sheet 153 while improving the quality of the fiber composite resin sheet 153 in some cases without reducing the quality of the fiber composite resin sheet 153. Efficiency can be improved.
  • sheet forming means such as a pressure roll and a press plate may exist in the vicinity of the energy beam irradiation unit 130 on the upstream side in the direction of feeding the resin precursor-impregnated fabric.
  • the fiber composite resin sheet 153 may be laminated on one or both sides with a coat resin for protecting the surface.
  • the resin precursor composition of the resin precursor impregnated cloth 152 contains two or more kinds of resin precursors, so that the refractive index of the resin 154 and the refractive index of the glass cloth are substantially reduced. It does not matter if they are the same. Thereby, the production efficiency of the fiber composite resin sheet 153 can be improved while increasing the low birefringence of the fiber composite resin sheet 153 in some cases without impairing the low birefringence of the fiber composite resin sheet 153.
  • the resin precursor composition of the resin precursor impregnated fabric 152 may contain one type of resin precursor so that the refractive index of the resin 154 and the refractive index of the glass fabric are substantially the same. Absent.
  • the heating time by the heating unit 140 may be shorter than the energy beam irradiation time by the energy beam irradiation unit 130. By making the heating time shorter than the energy ray irradiation time, the resin precursor composition can be cured while reducing the thermal history of the resin 154 in the fiber composite resin sheet 153.
  • a fiber composite resin sheet manufacturing apparatus 101 shown in FIG. 3 may be used. In the fiber composite resin sheet manufacturing apparatus 101, the energy beam irradiation unit 130 according to the previous embodiment is replaced with a heating unit such as a heater (hereinafter referred to as “preheating unit”) 131.
  • the temperature of the preliminary heating unit 131 is controlled so that the inside becomes a substantially constant temperature.
  • the temperature of the heating unit 140 and the preheating unit 131 is set so that a value obtained by subtracting the maximum temperature of the preheating unit 131 from the maximum temperature of the heating unit 140 is 50 ° C. or more.

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PCT/JP2011/002461 2010-04-27 2011-04-26 繊維複合樹脂シート製造装置、繊維複合樹脂シート製造方法および表示素子用樹脂基板 WO2011135852A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020127029321A KR20130065652A (ko) 2010-04-27 2011-04-26 섬유 복합 수지 시트 제조 장치, 섬유 복합 수지 시트 제조 방법 및 표시 소자용 수지 기판
JP2012512670A JP5464459B2 (ja) 2010-04-27 2011-04-26 ガラス繊維複合透明樹脂シート製造方法および表示素子用透明樹脂基板
CN2011800206704A CN102905865A (zh) 2010-04-27 2011-04-26 纤维复合树脂片制造装置、纤维复合树脂片制造方法以及显示元件用树脂基板

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JP2010102496 2010-04-27
JP2010-102496 2010-04-27

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WO2011135852A1 true WO2011135852A1 (ja) 2011-11-03

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WO2013018830A1 (ja) * 2011-08-02 2013-02-07 住友ベークライト株式会社 樹脂シート製造装置、樹脂シート製造方法、樹脂シートおよび表示素子用樹脂基板
WO2014008966A3 (de) * 2012-07-13 2014-06-19 Giesecke & Devrient Gmbh Verfahren zur herstellung einer folie

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JPH06306142A (ja) * 1993-04-27 1994-11-01 Toshiba Corp エポキシ樹脂組成物及びそれを用いた複合材料
JP2002226613A (ja) * 2001-01-30 2002-08-14 Hitachi Chem Co Ltd プリプレグの製造方法およびプリプレグ
JP2004352821A (ja) * 2003-05-28 2004-12-16 Yokohama Rubber Co Ltd:The 活性エネルギー線硬化型複合材料用樹脂組成物

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013018830A1 (ja) * 2011-08-02 2013-02-07 住友ベークライト株式会社 樹脂シート製造装置、樹脂シート製造方法、樹脂シートおよび表示素子用樹脂基板
WO2014008966A3 (de) * 2012-07-13 2014-06-19 Giesecke & Devrient Gmbh Verfahren zur herstellung einer folie

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JP5464459B2 (ja) 2014-04-09
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CN102905865A (zh) 2013-01-30
JPWO2011135852A1 (ja) 2013-07-18
KR20130065652A (ko) 2013-06-19

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