CN1869124A - 激光焊接用聚芳硫醚树脂组合物及成形制品 - Google Patents

激光焊接用聚芳硫醚树脂组合物及成形制品 Download PDF

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Publication number
CN1869124A
CN1869124A CNA2005100817314A CN200510081731A CN1869124A CN 1869124 A CN1869124 A CN 1869124A CN A2005100817314 A CNA2005100817314 A CN A2005100817314A CN 200510081731 A CN200510081731 A CN 200510081731A CN 1869124 A CN1869124 A CN 1869124A
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CN
China
Prior art keywords
polyarylene sulfide
sulfide resin
laser welding
resin
resin composition
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CNA2005100817314A
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English (en)
Inventor
松永伸之
松岛三典
若塚圣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polyplastics Co Ltd
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Polyplastics Co Ltd
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Filing date
Publication date
Application filed by Polyplastics Co Ltd filed Critical Polyplastics Co Ltd
Publication of CN1869124A publication Critical patent/CN1869124A/zh
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1677—Laser beams making use of an absorber or impact modifier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2424—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain
    • B29C66/24243—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral
    • B29C66/24244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being a closed polygonal chain forming a quadrilateral forming a rectangle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7377—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined amorphous, semi-crystalline or crystalline
    • B29C66/73771—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined amorphous, semi-crystalline or crystalline the to-be-joined area of at least one of the parts to be joined being amorphous
    • B29C66/73772—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined amorphous, semi-crystalline or crystalline the to-be-joined area of at least one of the parts to be joined being amorphous the to-be-joined areas of both parts to be joined being amorphous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7377—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined amorphous, semi-crystalline or crystalline
    • B29C66/73773—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined amorphous, semi-crystalline or crystalline the to-be-joined area of at least one of the parts to be joined being semi-crystalline
    • B29C66/73774—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined amorphous, semi-crystalline or crystalline the to-be-joined area of at least one of the parts to be joined being semi-crystalline the to-be-joined areas of both parts to be joined being semi-crystalline
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
    • B29C65/1606—Ultraviolet [UV] radiation, e.g. by ultraviolet excimer lasers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
    • B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
    • B29C65/1616—Near infrared radiation [NIR], e.g. by YAG lasers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/82—Testing the joint
    • B29C65/8207—Testing the joint by mechanical methods
    • B29C65/8215—Tensile tests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/82—Testing the joint
    • B29C65/8207—Testing the joint by mechanical methods
    • B29C65/8246—Pressure tests, e.g. hydrostatic pressure tests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
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    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
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Abstract

本发明提供一种激光焊接的焊接强度高、具有优良的机械特性的激光焊接用聚芳硫醚树脂组合物。以聚芳硫醚树脂组合物作为激光焊接用树脂材料，该聚芳硫醚树脂组合物是相对于100重量份的(A)表示色明度的L值在80或以上的线型聚芳硫醚树脂，混合5～100重量份的(B)折射率(nD)为1.5～1.9的无机填充剂。

Description

激光焊接用聚芳硫醚树脂组合物及成形制品
技术领域
本发明涉及一种激光焊接的焊接强度高、且具有优良的机械特性的激光焊接用聚芳硫醚树脂组合物及成形制品。进一步涉及对于嵌入成形品，不降低其激光焊接强度，且提高高低温冲击特性的激光焊接用聚芳硫醚树脂组合物及成形制品。
背景技术
以聚苯硫醚(以下简称为PPS)树脂为代表的聚芳硫醚(以下简称为PAS)树脂因为其具有高的耐热性、机械物性、耐化学药品形、尺寸稳定性、阻燃性，而广泛使用于电子机械部件材料、汽车机械部件材料、化学机械部件材料等。具体的用途能列举有各种汽车部件(各种控制单元、各种传感器、点火线圈、各种外壳、燃料循环部件等)、电池部件、连接器类、开关部件、线圈部件、发动机部件、水循环部件、光学部件的支架等。
一般的，使用粘合剂、螺丝拧死、搭扣配合、电热板焊接、超声波焊接、振动焊接等接合方法将这些部件接合成多个成形部件，从而制成最终制品。但是，对于这些接合方法，可以指出几个问题。例如，使用粘合剂的话，会有粘合剂硬化的步骤的时间损失，以及对环境不利的问题。而且，螺丝拧死的话，会有连接的问题，以及增加了成本。而电热板焊接、超声波焊接、振动焊接等，由于热和振动等会有损伤制品的担心。
另一方面，由激光焊接的接合方法对环境的影响小，没有伴随焊接的热和振动对制品的损伤，焊接步骤也非常简单。因此，最近出现了使用激光焊接来作为各种树脂部件焊接手段，引起了人们的注意。
对于PAS树脂以外的树脂，有几个应用的例子提出作为申请，可以适用于激光焊接的组合物。例如JP-A 2003-517075中记载了关于聚酰胺树脂和/或聚酯树脂组合物的可以激光焊接的热塑性树脂组合物。但是，因为PAS树脂本身激光透过率低，被排除在外。
而且，JP-A 2003-146332(权利要求书和实施例)中提出了激光焊接PPS树脂的多层中空容器，但是其中公开的组合物在实际的激光焊接下的焊接强度不够，该公报也没有激光焊接的实施例。
由此，现有技术中，实际情况是PAS树脂的激光透过率低，得不到实用的可以承受激光焊接的树脂组合物和成形制品。
发明内容
本发明的目的在于提供一种激光焊接的焊接强度高、且具有优良的机械特性的激光焊接用聚芳硫醚树脂组合物及成形制品。
本发明人们为了达到上述目的潜心研究，结果发现相对于特定的PAS树脂以特定量混合特定的无机填充剂得到的组合物，其激光焊接的焊接强度高，具有优良的机械特性，可以实际应用于各种制品，从而完成本发明。
即，本发明为通过混合100重量份的(A)表示色明度的L值在80或以上的线型聚芳硫醚树脂，和5～100重量份的(B)折射率(nD)为1.5～1.9的无机填充剂制得的激光焊接用聚芳硫醚树脂组合物。而且本发明为通过将该激光焊接用聚芳硫醚树脂组合物成形获得的成形制品。进而，本发明为上述树脂组合物或上述成形制品的激光焊接用途。
附图说明
图1为表示实施例中焊接强度实验状况的附图，(a)为正面图，(b)为表示焊接部位状况的简略示意平面图。图2为表示实施例中气密性的实验状况的附图。图中的符号说明如下。
1…激光发射机
2…激光
3…透过侧样片A
4…粘附侧样片B
5…透过侧样片C
6…粘附侧样片D
具体实施方式
以下，依次对本发明的树脂组合物的构成成分进行详细的说明。作为本发明中使用的(A)成分的线型PAS树脂为主要由重复单元-(Ar-S)-(Ar为亚芳基)构成的树脂。作为亚芳基能使用例如对亚苯基、间亚苯基、邻亚苯基、取代亚苯基、p，p’-二亚苯基砜基、p，p’-联苯基、p，p’-二亚苯基醚基、p，p’-二亚苯基羰基、萘基等。这种情况下，在由上述的亚芳基构成的亚芳基硫基中，可以使用相同重复单元的聚合物即均聚物，此外，从组合物的加工性考虑，优选含有不同重复单元的共聚物。
对于均聚物，特别优选使用以用对亚苯基作为亚芳基的对亚苯基硫醚基为重复单元的化合物。并且，对于共聚物，由上述的亚芳基构成的亚芳基硫醚基中，可以使用不同的2种或多种组合，但是其中特别优选使用含有对亚苯基硫醚基和间亚苯基硫醚基的组合。这其中，含有的对亚苯基硫醚基在70mol％或以上，优选在80mol％或以上的化合物出于耐热性、成形性、机械特性等物性考虑是适当的。该共聚物的熔点降低，且成形制品的结晶度容易降低，由此提高了激光透过性，因而是优选使用的。
进而，本发明中使用通过缩聚以2官能性卤代芳香族化合物为主体的单体获得的、基本上为直链状结构的高分子量聚合物。但是，在不妨碍本发明效果的范围内，也可以在2官能性卤代芳香族化合物以外，也可以使用PAS树脂，其使用少量的具有3个以上的卤素取代基的多卤代芳香族化合物等的单体，与由热引起的氧化交联结构不同，不含有氧元素的形成支链结构或交联结构。使用该多卤代芳香族化合物支链剂时，优选使用量为卤代芳香族化合物中的1mol％或以下，更优选为0.5mol％或以下。而且，在不妨碍本发明效果的范围内，可以在由2官能性卤化芳香族化合物构成的线型PAS树脂中混合使用多于1mol％量的支链剂聚合的支链PAS树脂。
对在本发明中使用的线型PAS树脂，作为聚合后的清洗步骤，优选用N-甲基吡咯烷酮、丙酮等有机溶剂、水、热水等(或其组合)清洗，除去聚合物中的副生杂质、低聚物等来精制。另一方面，作为清洗水溶液，不进行由醋酸水溶液、氯化铵水溶液之类的酸性水溶性的清洗，会有聚合物中碱金属(锂、钠、钾)的残存量多的树脂，优选作为激光焊接用的树脂来使用。
而且，本发明中使用的线型PAS树脂优选在310℃、剪切速度为1200sec-1下的熔融粘度为5～1000Pa·s，特别优选为10～500Pa·s，更优选为15～300Pa·s的树脂。在本发明中使用的线型PAS树脂也可以使用混合了熔融粘度(分子量)不同的PAS树脂以获得在上述粘度范围的树脂。
在本发明中使用的线型PAS树脂因为是像那些热交联PAS树脂的分子中不混入氧，具有激光透过性优良的特征。对于PAS树脂，根据混入氧的量，表示PAS树脂色明度的L值会降低，这是公知的。本发明中使用的PAS树脂为表示色明度的L值在80或以上的线型PAS树脂，优选其L值在90或以上。
而且，对于本发明中使用的线型PAS树脂，若是用表示熔融时粘度的指标之一，即根据310℃(测定毛细管形状：1mmφ×10mm)中非牛顿指数N的规定，则使用非牛顿指数N为1.40或以下，优选为1.30或以下的不实施热交联的PAS树脂。但是，如上所述，使用少量的多卤化芳香族化合物等的聚合交联剂聚合的PAS树脂的情况下，优选使用非牛顿指数N为2.30或以下的树脂。
其次，本发明中使用的(B)无机填充剂在D线、温度范围为20～40℃下测定的折射率(nD)为1.5～1.9范围内。对于一般的PAS树脂，多数混合无机填充剂来使用，但是在以不具有上述范围的折射率的无机填充剂作为主体混合的情况下，不能充分获得线型PAS树脂的优良的激光焊接性。即，折射率小于1.5的情况下，PAS树脂和无机填充剂的界面上激光散射变大，激光的透过度降低，得不到充分的焊接性。而且，基于同样理由，使用折射率大于1.9的无机填充剂的情况下，焊接性也不充分。
在本发明中使用的(B)无机填充剂的例子能列举有由E玻璃成分、A玻璃成分或C玻璃成分构成的玻璃纤维、板状玻璃、玻璃微珠等填充剂、制成各种形状的轻质碳酸钙、重质碳酸钙乃至微粉化碳酸钙、滑石粉、云母、高岭土、粘土、硫酸钙、硫酸钡、氧化镁、石棉、氧化铝、氢氧化镁、膨润土、碱性碳酸镁等。它们的形状为纤维状、板状、球状，以及即使是不定形等任何形状都可以。优选为由E玻璃成分构成的玻璃纤维、板状玻璃、玻璃微珠等填充剂、重质碳酸钙，更优选为E玻璃成分构成的玻璃纤维。这些(B)无机填充剂也可以根据需要2种以上联合使用。
本发明中使用的成形制品中的无机填充剂的大小除了考虑激光焊接性，也考虑物性等的话，填充剂的最长平均长度为800μm或以下是优选的，更优选为500μm以下。
在本发明中使用的无机填充剂中，在不妨碍本发明效果的范围内，可以用通常公知的环氧系化合物、异氰酸酯系化合物、硅烷系化合物、钛酸盐系化合物、脂肪酸等各种表面处理剂进行表面处理。在无机填充剂和PAS树脂界面的密合性表现出提高的效果的情况下，优选使用激光焊接性和机械物性也表现得提高的填充剂。
而且，本发明中使用的无机填充剂也可以使用用后述磷系稳定剂对其表面进行预先粘附的无机填充剂。这时，也可以同时用磷系稳定剂以外的其他防氧化剂粘附在其表面上。
作为本发明中使用的(B)无机填充剂的混合量相对于100重量份的(A)PAS树脂为5～100重量份，优选为80重量份和以下。
不到5重量份的话，不能发现充分的补强效果，混合了多于100重量份的话，激光透过性降低，得不到充分的激光焊接强度。
使用PAS树脂构成的成形制品进行激光焊接时，成形制品的翘曲变形大的情况下，会发生激光焊接面没有充分焊接的情况。因此，对激光焊接用树脂组合物成形制品期望其翘曲变形小。
因此，从降低翘曲变形考虑，作为(B)无机填充剂特别优选将纤维状填充剂和板状或球状的填充剂联合使用。通过使用这样的组成物，激光焊接面的间隙变小，能进行均匀的激光焊接，从而能提高实际部件(成形制品)的激光焊接强度。
同样的，从降低翘曲变形考虑，作为(B)无机填充剂，优选使用以E玻璃作主要成分的玻璃纤维，该E玻璃具有与长度方向垂直的断面长径(断面的最长直线距离)和短径(和长径垂直方向的最长直线距离)之比为1.3～10的扁平的断面形状。使用该异形断面的玻璃纤维的情况下，因为也提高了高低温冲击特性，特别优选作为本发明的组合物。
而且，作为改善成形制品的翘曲变形的手段，在不损害本发明效果的范围内，也可以混合耐热性优良的(C)非晶性树脂。优选为玻璃化转变温度在120℃以上的非晶性树脂，其例子能列举有多芳基化合物树脂、聚碳酸酯树脂。本发明可以相对于(A)PAS树脂混合1～100重量份的选自它们中的1种或1种以上的树脂。
本发明的树脂组合物在不损害其激光焊接性效果的范围内，可以混合(D)烯烃系弹性体。进行激光焊接的部件(成形制品)是以插入的状态使用金属制造的端子、金属制造的总线等，同时多是在从低温到高温的宽使用环境温度下使用。因而，对于这些部件(成形制品)的可靠性方面，要求其具有高低温冲击特性(耐冷热周期性、耐热冲击性)的情况很多。因此，本发明为了维持激光焊接性，可以混合显示出改善的高低温冲击特性优良效果的烯烃系弹性体。
作为烯烃系弹性体的例子能列举有例如乙烯和α-烯烃的共聚物、α-烯烃和α，β-不饱和酸的缩水甘油酯作主要成分的烯烃系共聚物、乙烯和无水马来酸作主要成分的烯烃系共聚物等。优选为α-烯烃和α，β-不饱和酸的缩水甘油酯作主要成分的烯烃系共聚物。这些烯烃系弹性体可以是和丙烯酸、苯乙烯等的各种共聚物，即使是接枝共聚物也没关系。
本发明中使用的(D)烯烃系弹性体的混合量相对于(A)PAS树脂优选为0.5～4重量份。不到0.5重量份的话没有高低温冲击特性的改善效果，多于4重量份的话激光焊接性变差，不是优选的。
对于本发明的树脂组合物，为了得到更稳定的激光焊接强度，可以混合(E)磷系稳定剂。作为磷系稳定剂的例子能列举有四(2，4-二叔丁基苯基)-4，4’-联苯亚磷酸酯、双(2，6-二叔丁基-4-甲基苯基)季戊四醇-二亚磷酸酯、双(2，4-二丁基苯基)季戊四醇-二亚磷酸酯、三(2，4-二叔丁基苯基)亚磷酸酯、4，4’-[双(2，4-二叔丁基-5-甲基苯氧基)亚磷酸酯]联苯、三(壬基苯基)亚磷酸酯、二硬脂酰季戊四醇-二亚磷酸酯、亚磷酸三苯酯、磷酸二苯基烷基酯、亚磷酸三癸酯、3，5-二丁基-4-羟基苄基膦酸酯二乙酯、三苯基膦、三癸基膦、四烷基磷鎓的卤化物、四烷基磷鎓的磺酸盐、磷酸双(4-叔丁基苯基)钠盐、次磷酸的各种金属盐、亚磷酸的各种金属盐等，也可以将它们的1种或2种以上联合使用。而且，如上所述，也可以将该磷系稳定剂预先粘附在无机填充剂的表面上，混合在组合物中来使用。
(E)磷系稳定剂的混合量相对于(A)PAS树脂优选以0.01～3重量份的混合量来使用。不到0.01重量份的话没有颜色稳定化的效果，会产生激光焊接强度难以稳定的问题。多于3重量份的话，成形加工时的气体产生量变多，不是优选的。
而且，除了上述磷系稳定剂，也可以添加酚系、胺系、硫系稳定剂、防氧化剂，或者与之联合使用。
关于本发明的成形制品，为了获得更优良的激光焊接性，更优选激光焊接结晶度低的成形制品，成形制品的冷结晶化发热量优选在0.5J/每gPAS树脂以上。作为获得这样的低结晶度成形制品的具体方法，能列举有在成形时的模温为40～120℃条件下成形。
而且，对于这样的低结晶度成形制品，为了得到具有稳定机械特性的复合成形体，更优选加工处理方法是在由激光焊接得到复合成形体后，在100℃以上的高温下进行退火处理，提高复合体全体的结晶度。
而且，本发明的树脂组合物中，在不损害本发明效果的范围内，为了改善毛边等目的，可以混合硅烷化合物。作为硅烷化合物含有乙烯基硅烷、甲基丙烯酰氧基硅烷、环氧硅烷、氨基硅烷、巯基硅烷等各种类型，例如为乙烯基三氯硅烷、γ-甲基丙烯酰氧基丙基三甲氧基硅烷、γ-缩水甘油醚氧基丙基三甲氧基硅烷、γ-氨基丙基三乙氧基硅烷、γ-巯基三甲氧基硅烷等，但是并不限于此。
并且，本发明的树脂组合物中，在不损害本发明效果的范围内，除了上述成分，也可以结合少量的其他热塑性树脂成分来辅助使用。作为这里使用的其他热塑性树脂，高温下稳定的热塑性树脂中的任何一种都是可以的。例如可以举例为聚对苯二甲酸乙二酯、聚对苯二甲酸丁二酯等由芳香族二羧酸和二醇或氧代羧酸等构成的芳香族聚酯、聚酰胺、ABS树脂、聚丙烯酸烷基酯、聚酰亚胺、聚醚醚酮、氟树脂、各种液晶性聚合物等。而且，这些热塑性树脂也可以2种或2种以上混合使用。
并且，本发明的树脂组合物中，在不损害本发明效果的范围内，也可以混合有机填充剂。作为有机填充剂能列举有例如聚乙烯纤维、聚丙烯纤维、聚酯纤维、聚酰胺纤维、酰胺纤维、氟纤维、热固化树脂中空球、热固化树脂填料、环氧树脂填料、聚硅氧烷系填料、木粉、软木粉末、聚乙烯醇纤维、纤维素粉末、木材纸浆等。
本发明的树脂组合物中，在不损害本发明效果的范围内，也可以根据性能上的要求，适宜地添加一般的、在热塑性树脂中添加的公知物质，即阻燃剂、润滑剂、脱膜剂、防静电剂、结晶促进剂、结晶成核剂、各种防氧化剂、热稳定剂、耐候性稳定剂等。
进而，在本发明的树脂组合物中，在不损害本发明的范围内，可以添加像一般在热塑性树脂中添加的染料、颜料之类的着色剂。即，在使用波长为800～1200nm的激光透过性没有显著损害的范围内，可以添加各种着色剂。利用该着色剂的话，对于本发明的树脂组合物和成形制品，可以从与黑色的成形制品相互接合到与各种颜色的成形制品接合。
在本发明中使用的树脂组合物的制备能通过在一般的合成树脂组合物的制备中使用的设备和方法来制备。一般为将必需成分混合后，使用单螺杆或双螺杆挤出机熔融混炼，挤出制成成形用的颗粒。为了防止PAS树脂氧化交联等热变性、热劣化，该熔融混炼的树脂温度优选在400℃以下。而且，优选通过在挤出、成形时用氮气等置换来防止热变性、热劣化。而且，熔融挤出树脂成分，在其过程中添加混合纤维状无机填充剂也是优选的方法之一。
进而，从本发明的树脂组合物得到的成形制品由挤出成形、注塑成形、压缩成形、吹塑成型、真空成形、气体注射制模等常用的方法来成形，通常通过注塑成形来成形。作为注塑成形的条件，可以在气缸温度300～350℃左右的条件下成形。而且，模温一般在实测120℃以上来进行，但是本发明在如前述的40～120℃下成形也是有效的加工方法。
成形制品的形状没有特别的限制，但是为了使用与激光焊接的相应材料(其他树脂等的成形制品)相接合的成形制品，通常至少为具有像接触面(平面等)的形状(例如板状)。而且，因为本发明的成形制品相对于激光的透过性高，激光透过部分成形制品的厚度(激光透过方向的厚度)可以在比较宽的范围内选择。但是，在增加厚度的情况下，因为激光的透过度会相应的降低，所以优选为3mm或以下，更优选为2mm或以下。
作为构成激光焊接的相应材料的树脂成形制品的树脂没有特别限制，能列举有各种热塑性树脂，例如烯烃系树脂、乙烯系树脂、苯乙烯系树脂、丙烯酸系树脂、聚酯系树脂、聚碳酸酯系树脂、多芳基化合物树脂、聚砜系树脂、聚苯醚系树脂、聚醚砜系树脂、聚醚酰亚胺系树脂、聚醚酮系树脂、耐热环状烯烃系树脂、各种液晶性聚合物等。这些树脂中，优选和构成上述PAS系树脂组合物的树脂为同种类或同系的树脂，或者由其组合物构成的相应材料。因为如果是相同或类似的组合物，线膨胀系数等也相近，更为优选。即，优选由激光透过侧的成形体和吸收激光发热的粘合体分别构成本发明的PAS树脂组合物。
上述粘合体材料也可以含有对于激光的的吸收剂或着色剂(染料或颜料)。着色剂可以根据激光的波长来选择，能列举有无机颜料“碳黑(例如乙炔碳黑、灯黑、热碳黑、炉墨、槽法碳黑、ketjenblack(ケツチエソブラツク)等)等黑色颜料、氧化铁红等红色颜料、钼酸盐橙等橙色颜料、氧化钛等白色颜料等”、有机颜料“黄色颜料、橙色颜料、红色颜料、蓝色颜料、绿色颜料等”和各种染料等。这些激光吸收剂可以单独或2种或2种以上混合使用。作为吸收剂，通常为黑色颜料或染料，特别可以使用碳黑。碳黑的平均粒径通常为10～1000nm，优选为10～100nm左右。着色剂的比例相对于粘附体总体为0.1～10重量％，优选为0.5～5重量％(例如0.5～3重量％)左右。
作为激光光源，没有特别限制，能利用例如色素激光、气体激光(准分子激光、氩激光、氪激光、氦激光等)、固体激光(YAG激光等)、半导体激光等。激光通常利用脉冲激光。在使用的激光焊接装置中，根据需要使用透镜系，将激光集中到成形制品的焊接界面，热粘接接触界面。本发明中，可以使用任何市售的各种激光焊接装置。
而且，为了使本发明的树脂组合物和成形制品焊接性优良，通常可以由激光焊接以充分的强度和相应材料的树脂成形制品焊接，但是有必要的话，也可以联合使用其他粘合剂焊接、热焊接法(例如振动焊接法、超声波焊接法、电热板焊接法等)。
如上所述，在本发明的树脂组合物和成形制品中，对于基本PAS树脂成形条件即模温150℃左右下成形的厚度为1mm的成形制品，可以透过20％以上的940nm的激光，现今得不到的激光焊接强度也可以获得。
本发明也可以应用于嵌入成形品。嵌入成形品为在成形用模具中预先装上金属等，在其外侧填充上述混合树脂组合物而制成复合成形制品。作为在模具中填充树脂的成形方法有注塑、挤出压缩成形法等，一般使用注塑成形法。而且，为了使在树脂中插入的材料能有效发挥其性能且弥补树脂的缺陷，在成形时与树脂接触时，使用形状改变又不熔融的材料。为此，使用在以铝、镁、铜、铁、黄铜及其合金等金属或玻璃、陶瓷这样的无机固体为主的棒、针、螺丝等上预先成形的材料。
实施例
以下，通过实施例对本发明进行更详细的说明，但是本发明并不限于这些
实施例。
实施例1～15、比较例1～5
(树脂颗粒的制备)
如表1～4所示，用亨舍尔混合器将(B)无机填充剂以外的各原料成分((A)、(C)、(D)、(E)成分)混合5分钟，将其从料筒温度为320℃的双螺杆挤出机的主进料口投入，(B)成分从挤出机的旁进料口另外添加，在双螺杆挤出机内、树脂温度为350℃下熔融混炼，制备透过激光用的树脂组合物颗粒。
(样片的制备)
各实验使用的样片通过注塑成形来制备。此时标准模表面的实测温度为150℃。但是，实施例14、15分别在模表面的实测温度为90℃、50℃下成形。
用于进行激光焊接的被焊接用样片B(测定焊接强度用)和被焊接用样片D(测定气密性用)，通过在同样条件下注塑成形由在激光透过侧样片A和样片C中使用的树脂颗粒100重量份和2.5重量份的混合了20重量％碳黑的黑色着色用母料颗粒(polyplastics公司制造，フオ—トロンF9020)混合物均匀混合获得的混合物来制备。
物性评价的测定方法表示如下。
(1)焊接强度的测定
如图1所示，将激光透过侧样片A(图中编号3)(尺寸：长80mm×宽10mm×厚1mm)和相同形状的被焊接侧的样片B(图中标号4)的一部分重叠使其接触，使用激光焊接机(ライスラ—公司制造)，调整光源或从激光发射机(1)发射的激光(2)的焦点，使其在样片A和样片B的接触面上以线宽w(2mm)聚光。接着，从样片A(3)一侧，以扫描速度10mm/秒、输出功率为0～60W的输出范围的条件下照射波长为940nm的激光(2)，进行焊接。
焊接强度是使用拉伸试验机(オリエンテツク公司制造的RTC-1325)，以10mm/分的速度拉伸切断激光焊接的样片A和样片B，测定焊接强度。以输出功率为0～60W范围的焊接样品中的最大焊接强度作为焊接强度记载在表中。
(2)气密性的评价
如图2所示，在粘合侧的箱形试验体D(图中编号6)(尺寸：长80mm×宽40mm×厚2mm为底，高20mm的四边形状)的开口端部上重叠接触透过侧的样片C(图中编号5)(尺寸：长80mm×宽80mm×厚2mm)，使用激光焊接机(ライスラ—公司制造)，调整从激光发射机(1)的光头发出的激光(2)的焦点，使其在样片C和箱形试验体D的接触面上以线宽1.5mm聚光。接着，从样片C(5)一侧，以扫描速度10mm/秒、输出功率为0～60W的输出范围且焊接表面不碳化的最大输出功率照射波长为940nm的激光(2)，进行焊接，制成箱形试验体D的开口部位由样片C封口的箱形复合体。
在像这样由激光焊接得到的样片C和箱形试验体D的箱形复合体的下端面上，为了进行气密性评价使用磨盘形成加压用的孔(φ10mm)。将该复合体放在水中，以箱形复合体内压为0.02MPa的加压状态保持30秒钟，根据连接部位有无气泡的产生，在n＝10下评价气密性。评价标准表示如下。
◎：10个中，10个复合体都没有气泡产生。
○：10个中，有1～2个复合体产生气泡。
×；10个中，有3个以上的复合体产生气泡。
(3)光线透过率
使用分光光度计(日立公司制造的U3400)，测定在波长为940nm下的样片A(厚度1mm)的光线透过率(％)。
(4)冷结晶化的发热量的测定
样品：10±1mg的成形制品
测定的温度范围：50～150℃
升温速度：10℃/分
氛围气：氮气
样品：10±1mg的成形制品
测定仪器：PERKIN ELMER差示扫描量热仪DSC7
在上述条件下测定在100～130℃之间出现2次结晶化峰的发热量。发热量用换算成材料中含有的每1g聚芳硫醚树脂的发热量值来表示。
(5)高低温冲击特性
在模温度为150℃、注射时间为40秒、冷却时间为60秒的条件下，在金属制造的针管(14mm×14mm×24mm)中，以树脂部分的最小壁厚为1mm的形式插入注塑成形树脂颗粒，制备嵌入成形品。对于得到的嵌入成形品，使用冷热冲击试验仪在180℃下加热2小时后，降温到-40℃冷却2小时后，再升温到180℃的过程作为一个周期，进行高低温冲击实验，测定直到在成形制品中出现裂缝的周期数，评价高低温冲击性。
(6)树脂的L值的测定
用色差计(日本电色工业公司制造的Z-300A)测定粉末状的树脂粉末。
其结果示于表1～4中。
并且，在实施例和比较例中使用的各成分的具体物质表示如下。
·聚苯硫醚(PPS)树脂(A)
(A-1)线型PPS树脂，吴羽化学工业公司制造的W203A，L值＝97，非牛顿指数1.1
(A-2)线型PPS树脂，デイ—アイシ—·イ—ピ—公司制造的T1G，L值＝93，非牛顿指数1.1
(A-3)线型PPS树脂，将吴羽化学工业公司制造的W203A在180℃下干燥处理5小时的树脂，L值＝77，非牛顿指数1.2
(A4)交联PPS树脂，东丽公司制造的M2100，L值＝31，非牛顿指数1.8
·无机填充剂(B)
(B-1)玻璃纤维，13μmφ的短切原丝(日本电玻璃公司制造的ECS03-717)，E玻璃，折射率(nD)＝1.54
(B-2)板状玻璃(日本片玻璃公司制造的REFG-101)，E玻璃，折射率(nD)＝1.54
(B-3)断面形状：茧形，长径24μm，短径12μm，长径/短径比为2(日东纺公司制造的CSH-3PA)，E玻璃，折射率(nD)＝1.54
(B-4)碳酸钙(东洋精细化工公司制造的ホワイトソ对30)，折射率(nD)＝1.66
(B-5)合成二氧化硅(アドマテツクス公司制造的アドマフアインS邻02)，折射率(nD)＝1.46
(B-6)氧化锌(三井金属工业公司制造的锌白1号)，折射率(nD)＝2.02
(B-7)玻璃纤维，10μmφ的短切原丝(旭玻璃纤维公司制造的CS03JAFT636)，表面粘附磷系稳定剂，E玻璃，折射率(nD)＝1.54
·非晶性树脂(C)
(C-1)多芳基化合物(ユニチカ公司制造的U-100)
(C-2)聚碳酸酯(三菱工程塑料公司制造的ユ—ピロソH-3000)
·烯烃系弹性体(D)
在乙烯/甲基丙烯酸缩水甘油酯共聚物上接枝丙烯腈/苯乙烯共聚物的共聚物(日本油脂公司制造的モデイパ-A4400)
·磷系稳定剂(E)
二硬脂基季戊四醇二亚磷酸酯(旭电化工业公司制造的MARK PEP-8)
表1
  单位   实施例1   实施例2   实施例3   比较例1   比较例2   比较例3
  (A-1)线型PPS   重量份   100   100   100
  (A-2)线型PPS   重量份   100
  (A-3)线型PPS、L＝77   重量份   100
  (A-4)交联PPS   重量份   100
  (B-1)玻璃纤维   重量份   25   70   25   25   25   150
  光线透过率   ％   30.6   25.3   28.4   16.5   2.9   8.3
  焊接强度   N   869   700   815   153   未焊接   未焊接
  气密性   -   ○   ○   ○   ×   ×   ×
  高低温冲击特性   周期数   66   45   41   68   25   31
表2
  单位   实施例4   实施例5   实施例6   实施例7   比较例4   比较例5
  (A-1)线型PPS   重量份   100   100   100   100   100   100
  (B-1)玻璃纤维   重量份   10   10
  (B-2)状玻璃   重量份   15
  (B-3)异形玻璃纤维   重量份   25
  (B-4)碳酸钙   重量份   25   15
  (B-5)二氧化硅   重量份   25
  (B-6)氧化锌   重量份   25
  光线透过率   ％   29.7   30.3   25.1   25.1   12.6   7.5
  焊接强度   N   665   901   677   710   66   未焊接
  气密性   -   ◎   ◎   ◎   ◎   ×   ×
  高低温冲击特性   周期数   46   95   41   53   48   32
表3
  单位   实施例8   实施例9   实施例10   实施例11   实施例12   实施例13
  (A-1)线型PPS   重量份   100   100   100   100   100   100
  (B-1)玻璃纤维   重量份   25   25   25   25
  (B-3)异形玻璃纤维   重量份   25
  (C-1)多芳基化合物   重量份   10
  (C-2)聚碳酸酯   重量份   10
  (D)烯烃系弹性体   重量份   2   2
  (B-7)磷系稳定剂粘附的玻璃纤维   重量份   25
  (E)磷系稳定剂   重量份   0.05
  光线透过率   ％   29.1   27.7   24.2   25.8   32.9   33.1
  焊接强度   N   851   799   605   722   911   924
  气密性   -   ◎   ◎   ○   ◎   ○   ○
  高低温冲击特性   周期数   42   40   92   131   72   78
表4
  单位   实施例1   实施例14   实施例15
  (A-1)线型PPS   重量份   100   100   100
  (B-1)玻璃纤维   重量份   25   25   25
  成形模温   ℃   150   90   50
  冷结晶化发热量   J/g   0   9.1   12.5
  光线透过率   ％   30.6   35.2   36.6
  焊接强度   N   869   910   925
  气密性   -   ○   ◎   ◎
  高低温冲击特性   周期数   66   88   105

Claims (12)

1、一种激光焊接用聚芳硫醚树脂组合物，其通过混合100重量份的(A)表示色明度的L值在80或以上的线型聚芳硫醚树脂，和5～100重量份的(B)折射率(nD)为1.5～1.9的无机填充剂来获得。
2、根据权利要求1记载的激光焊接用聚芳硫醚树脂组合物，其中(B)无机填充剂为由E玻璃构成的填充剂。
3、根据权利要求1记载的激光焊接用聚芳硫醚树脂组合物，其中(B)无机填充剂为联合使用玻璃纤维和板状或球状的填充剂。
4、根据权利要求1记载的激光焊接用聚芳硫醚树脂组合物，其中(B)无机填充剂为以E玻璃为主要成分的玻璃纤维，该E玻璃具有与长度方向垂直的断面的长径(断面的最长直线距离)和短径(和长径垂直方向的最长直线距离)之比为1.3～10之间的扁平断面形状。
5、根据权利要求1或2记载的激光焊接用聚芳硫醚树脂组合物，其中相对于100重量份的(A)线型聚芳硫醚树脂，进一步混合1～100重量份的选自聚芳酯树脂和聚碳酸酯树脂的1种以上的非晶性树脂(C)。
6、根据权利要求1或2记载的激光焊接用聚芳硫醚树脂组合物，其中相对于100重量份的(A)线型聚芳硫醚树脂，进一步混合0.5～4重量份的(D)烯烃系弹性体。
7、根据权利要求1或2记载的激光焊接用聚芳硫醚树脂组合物，其中相对于100重量份的(A)线型聚芳硫醚树脂，进一步混合0.01～3重量份的(E)磷系稳定剂。
8、根据权利要求1或2记载的激光焊接用聚芳硫醚树脂组合物，其中(B)无机填充剂预先在其表面上粘附磷系稳定剂。
9、将根据权利要求1记载的激光焊接用聚芳硫醚树脂组合物成形制得的成形制品。
10、根据权利要求9记载的成形制品，所述成形制品的冷结晶化发热量为0.5J/每g聚芳硫醚树脂或以上。
11、根据权利要求10记载的成形制品，其在模温度为40～120℃的条件下成形。
12、根据权利要求1记载的聚芳硫醚树脂组合物或根据权利要求9记载的成形制品的激光焊接用途。
CNA2005100817314A 2004-05-24 2005-05-24 激光焊接用聚芳硫醚树脂组合物及成形制品 Pending CN1869124A (zh)

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