CN102206417A - 激光焊接用树脂组合物、激光焊接用成型体及复合成型体 - Google Patents

激光焊接用树脂组合物、激光焊接用成型体及复合成型体 Download PDF

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CN102206417A
CN102206417A CN2011100753746A CN201110075374A CN102206417A CN 102206417 A CN102206417 A CN 102206417A CN 2011100753746 A CN2011100753746 A CN 2011100753746A CN 201110075374 A CN201110075374 A CN 201110075374A CN 102206417 A CN102206417 A CN 102206417A
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laser welding
resin
glass fibre
aromatic series
laser
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坂祐一
前田光男
齐藤慎太郎
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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
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    • 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
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    • 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
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    • 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
    • B29C66/73775—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 crystalline
    • B29C66/73776—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 crystalline the to-be-joined areas of both parts to be joined being crystalline
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Abstract

本发明提供激光焊接用树脂组合物，该激光焊接用树脂组合物以20～99∶80～1的质量比含有芳香族聚砜树脂和填料，其中，填料为单纤维直径10～50μm的玻璃纤维，相对于芳香族聚砜树脂和玻璃纤维总计100质量份，配合结晶性树脂0～10质量份。

Description

激光焊接用树脂组合物、激光焊接用成型体及复合成型体
技术领域
本发明涉及激光焊接用树脂组合物、激光焊接用成型体以及复合成型体。
本申请基于2010年3月30日在日本申请的日本特愿2010-077289号主张优先权，将其内容合并于此。
背景技术
以往已知，将2个热塑性树脂成型体一体化来得到复合成型体时，为了利用激光焊接法将这些热塑性树脂成型体彼此稳定地且高强度地接合，要求透过侧被焊接物(热塑性树脂成型体)具有一定以上的激光透过率(例如参照专利文献1、2)。
此外，公开了以补强为目的而向机械特性、耐热性优异的结晶性树脂(聚苯硫醚树脂)中添加填料的技术方案(例如参照专利文献3)。
现有技术文献
[专利文献1] 日本特开昭60-214931号公报
[专利文献2] 日本特开昭62-142092号公报
[专利文献3] 日本特开2005-15792号公报(段落[0002][0039]的栏)。
发明内容
但是，由于在激光焊接时，结晶性树脂、填料导致激光焊接用成型体的激光透过率降低，因此存在根据激光焊接用成型体的用途而未必能够达成充分的激光透过率的问题。
此外，将热塑性树脂成型体彼此激光焊接时，特别是透过侧被焊接物的厚度超过2mm的情况下，随着厚度的增加，激光焊接用成型体的激光透过率降低。结果对焊接部的供热量减少，焊接强度必然不够。虽说如此，若为了补充这种供热量的减少而增加激光输出功率，则在激光到达焊接部之前，透过侧被焊接物吸收激光，而存在产生变色所导致的外观变差、发烟、起火的不良问题。
因此，鉴于这种情况，本发明的目的在于，提供即使含有填料、结晶性树脂也可以保持激光焊接所必需的激光透过率，进而可以防止由于激光输出功率的增加所导致的透过侧被焊接物的变色带来的外观变差、发烟、起火于未然的激光焊接用树脂组合物，激光焊接用成型体以及复合成型体。
为了达成上述目的，本发明人为了提高激光焊接用成型体的激光透过率，对激光焊接用树脂组合物中作为填料含有的玻璃纤维的直径、折射率进行规定的同时，着眼于对成为激光透过率降低的原因的结晶性树脂的配合规定上限，从而完成本发明。
即，本发明的(1)激光焊接用树脂组合物，以芳香族聚砜树脂:填料的质量比为20:80～99:1含有芳香族聚砜树脂和填料，其特征在于，上述填料是单纤维直径为10～50μm的玻璃纤维，相对于上述芳香族聚砜树脂和上述玻璃纤维总计100质量份，配合结晶性树脂0～10质量份。
此外，本发明中，(2)除了上述(1)记载的构成之外，优选上述玻璃纤维的折射率为1.4～1.8。
此外，本发明中，(3)除了上述(1)或(2)记载的构成之外，相对于上述芳香族聚砜树脂和上述玻璃纤维总计100质量份，优选添加润滑剂0.01～1质量份。
此外，本发明的(4)激光焊接用成型体，包含上述(1)～(3)中任意一项记载的激光焊接用树脂组合物，其特征在于，其厚度为0.5～6mm。
进一步地，本发明的(5)复合成型体，通过使透过侧被焊接物与吸收侧被焊接物接触，对上述透过侧被焊接物与上述吸收侧被焊接物的界面通过上述透过侧被焊接物照射激光而将上述透过侧被焊接物和上述吸收侧被焊接物激光焊接来得到，其特征在于，使用包含上述(1)～(3)中任意一项记载的激光焊接用树脂组合物的激光焊接用成型体作为上述透过侧被焊接物。
根据本发明，由于对激光焊接用树脂组合物中作为填料含有的玻璃纤维的直径、折射率进行了规定的同时，对结晶性树脂的配合规定了上限，因此即使含有填料、结晶性树脂，也可以保持激光焊接所必需的激光透过率。
因此，即使不增加激光输出功率，也可以确保对透过侧被焊接物与吸收侧被焊接物的焊接部的供热量。因此，可以防止由于激光输出功率的增加所导致的透过侧被焊接物的变色带来的外观变差、发烟、起火于未然。
附图说明
图1A为表示本发明实施方式1的复合成型体的立体图，图1B为表示本发明实施方式1的复合成型体的放大截面图。
图2A和图2B为表示激光透过率的测定方法的步骤图。
具体实施方式
以下对本发明的实施方式进行说明。
[发明的实施方式1]
图1表示本发明的实施方式1。
如图1所示，该实施方式1涉及的复合成型体1，为透过侧被焊接物2与吸收侧被焊接物3在两者的界面S通过激光焊接，接合成一体而成的。
制造复合成型体1时，使透过侧被焊接物2与吸收侧被焊接物3接触，对两者的界面S通过透过侧被焊接物2照射激光，将透过侧被焊接物2与吸收侧被焊接物3激光焊接。
透过侧被焊接物2由激光焊接用成型体构成，该激光焊接用成型体的厚度为0.5～6mm(优选为1～3mm)。若该厚度小于0.5mm，则不仅机械强度、操作性产生问题，而且由于成型时的流动性降低，难以成型大型部件。相反地，若该厚度超过6mm，则由于激光焊接用成型体的激光透过率降低，不能满足焊接所必需的激光能量。
该激光焊接用成型体可以由包含芳香族聚砜树脂(聚醚砜)、玻璃纤维(填料)和润滑剂的激光焊接用树脂组合物，通过注射成型、压缩成型、挤出成型法、中空成型等成型方法来成型。
芳香族聚砜树脂指的是，亚芳基单元、醚键和砜键三者为必须的重复结构单元，亚芳基单元与醚键以及砜键一起无次序地或次序良好地排列的聚亚芳基化合物，其折射率为1.65左右。
该芳香族聚砜树脂为在340℃、剪切速度1000s－1下测定得到的熔融粘度为200～1000Pa·s(优选为200～700Pa·s、进一步优选为300～500Pa·s)的芳香族聚砜树脂。芳香族聚砜树脂的熔融粘度小于200Pa·s时，激光焊接用成型体的强度有可能降低。相反地，若芳香族聚砜树脂的熔融粘度超过1000Pa·s，则树脂组合物成型时的流动性有可能变差。
作为该芳香族聚砜树脂的结构单元，可以举出下述通式(I)、(II)、(III)的结构单元。
[化1]
Figure 886196DEST_PATH_IMAGE001
(式(I)中，R1表示碳原子数为1～6的烷基、碳原子数为3～10的烯基、苯基或卤原子，p表示0～4的整数。相同或不同核上的各R1可以互不相同。各p也可以互不相同。)
[化2]
(式(II)中，R1和p的定义与式(I)中的定义相同。)
[化3]
Figure 645391DEST_PATH_IMAGE003
(式(III)中，R1和p的定义与式(I)中的定义相同。q为1～3的整数。)
芳香族聚砜树脂包含结构单元(I)时，优选结构单元(I)中的p为0，其中，进一步优选含有80摩尔%以上的该结构单元(I)。此外，芳香族聚砜树脂包含结构单元(I)和结构单元(II)时，(I)/(II)的摩尔比率通常为0.5～50，优选为0.5～9，进一步优选为0.5～4。此外，包含结构单元(I)和结构单元(III)时，优选结构单元(III)中的q为1或2，(I)/(III)的摩尔比率通常为0.1～20、优选为0.1～9、进一步优选为0.5～4。
其中，优选包含结构单元(I)的芳香族聚砜树脂、包含结构单元(I)和结构单元(II)的芳香族聚砜树脂，进一步优选包含结构单元(I)的芳香族聚砜树脂。
作为该芳香族聚砜树脂的制备方法，可以采用公知的方法。此外，作为市售的芳香族聚砜树脂的例子，作为包含结构单元(I)的芳香族聚砜树脂，可以举出住友化学(株)制的“スミカエクセルPES3600P、スミカエクセルPES4100P”等。此外，作为包含结构单元(I)和结构单元(II)的芳香族聚砜树脂，可以举出Amoco Polymer公司制的“UDEL P-1700”。此外，其末端结构根据各树脂的制法来决定，可以举出例如-Cl、-OH、-OR(R为烷基)等。
对于玻璃纤维，单纤维直径为10～50μm(优选为17～50μm、进一步优选为23～50μm)，折射率为1.4～1.8(优选与芳香族聚砜树脂的折射率1.65左右的差为0.2以内的值)。玻璃纤维的单纤维直径小于10μm时，激光透过率降低，相反地若玻璃纤维的单纤维直径超过50μm，则激光焊接用成型体的强度降低。
芳香族聚砜树脂与玻璃纤维的配合比例为：芳香族聚砜树脂:玻璃纤维（填料）的质量比为20:80～99:1(优选为50:50～88:12)。若玻璃纤维多于芳香族聚砜树脂，则激光透过率降低，相反地若玻璃纤维相对于芳香族聚砜树脂过少，则难以得到所需的强度。
润滑剂为选自丙二醇脂肪酸酯类化合物、脱水山梨糖醇脂肪酸酯类化合物和甘油脂肪酸酯类化合物中的1种以上。
润滑剂的添加量相对于芳香族聚砜树脂和玻璃纤维总计100质量份，为0.01～1质量份(优选为0.05～1质量份)。润滑剂的添加量小于0.01质量份时，造粒、成型时的防止着色等效果不充分，相反地若润滑剂的添加量超过1质量份，则存在产生发烟、发现模具表面的污染、激光焊接用成型体白浊或冲击强度等物性降低的可能性，所以不优选。
此外，吸收侧被焊接物3由在透过侧被焊接物2中添加炭黑、碳纤维、激光吸收性染料等激光吸收性物质而成的激光焊接用成型体构成。
如此，在作为构成透过侧被焊接物2、吸收侧被焊接物3的激光焊接用成型体的材料的激光焊接用树脂组合物中，由于对玻璃纤维的直径进行了规定，与使用比该直径细的玻璃纤维的情况相比，可以降低激光的散射。结果可以提高激光焊接用成型体的激光透过率。
此外，在该激光焊接用树脂组合物中，由于将玻璃纤维的折射率规定为接近芳香族聚砜树脂的折射率的值，可以提高激光的直行性。结果可以提高激光焊接用成型体的激光透过率。
因此，在透过侧被焊接物2与吸收侧被焊接物3的激光焊接时，即使不增加激光输出功率，也可以确保对透过侧被焊接物2与吸收侧被焊接物3的焊接部的供热量。因此，可以防止由于激光输出功率的增加所导致的透过侧被焊接物2的变色带来的外观变差、发烟、起火于未然。结果在制造复合成型体1时，可以增大复合成型体1的产率的同时，可以提高操作安全性。
[发明的其它实施方式]
在上述实施方式1中，对包含芳香族聚砜树脂、玻璃纤维和润滑剂三种成分的激光焊接用树脂组合物进行了说明，但是也可以向其中配合少量(具体地说相对于芳香族聚砜树脂和玻璃纤维总计100质量份为10质量份以下)的结晶性树脂。此时，虽然含有成为激光透过率降低的原因的结晶性树脂，但是由于其配合量少，可以避免激光焊接用成型体的激光透过率大幅降低的情况。
此外，在上述实施方式1中，对作为激光焊接用树脂组合物的一成分含有玻璃纤维的情况进行了说明。但是，还可以添加玻璃纤维以外的填料(例如铝纤维、二氧化硅氧化铝纤维、氧化铝纤维、硼酸铝晶须等纤维状或针状的加强剂，滑石，云母，碳酸钙，二氧化硅，粘土，碳酸镁，硫酸钡，氧化铝，玻璃片（glass flake），玻璃珠等无机填充剂)。
此外，在上述实施方式1中，对作为激光焊接用树脂组合物的一成分含有润滑剂的情况进行了说明。但是，还可以加入润滑剂以外的添加剂(例如氟树脂、金属皂类等脱模剂、氧化钛等颜料、染料等着色剂、抗氧化剂、热稳定剂、紫外线吸收剂、抗静电剂、表面活性剂等)作为激光焊接用树脂组合物的成分。若酚类化合物、硫类化合物、磷类化合物等热稳定剂相对于芳香族聚砜树脂和玻璃纤维总计100质量份，添加0.01～1质量份，则可以防止造粒、成型时的着色、透过率降低。
实施例
以下对本发明的实施例进行说明。而且，本发明不被实施例所限定。
<实施例1>
将住友化学(株)制的芳香族聚砜树脂“スミカエクセルPES 3600P”(玻璃化转变温度Tg=225℃)80质量份和Owens Corning Japan Ltd.制的玻璃纤维“CS03JAPx-1”(单纤维直径10μm、折射率1.56)20质量份混合，相对于该混合物100质量份，添加和光纯药工业(株)制的磷酸三苯酯0.2质量份作为热稳定剂之后，使用(株)池贝制的双轴挤出机“PCM-30”进行熔融混炼，由此制备包含激光焊接用树脂组合物的颗粒。作为此时的熔融混炼条件，将该双轴挤出机的料筒设定温度设为330℃，螺杆旋转速度设定为150rpm。这里所说的料筒设定温度指的是设置在从料筒的最下游部直至料筒长度的约2/3部分的加热仪器的设定温度的平均值。表1为组成表。
<实施例2>
除了代用Owens Corning Japan Ltd.制的玻璃纤维“CS03MAFT692”(单纤维直径13μm、折射率1.56)之外，与上述实施例1同样地制备包含激光焊接用树脂组合物的颗粒。表1为组成表。
<实施例3>
除了代用日本电气硝子(株)制的玻璃纤维“ECS03T-747”(单纤维直径17μm、折射率1.5)之外，与上述实施例1同样地制备包含激光焊接用树脂组合物的颗粒。表1为组成表。
<实施例4>
除了代用Owens Corning Japan Ltd.制的玻璃纤维“CS03TAFT692”(单纤维直径23μm、折射率1.56)之外，与上述实施例1同样地制备包含激光焊接用树脂组合物的颗粒。表1为组成表。
<实施例5>
将住友化学(株)制的芳香族聚砜树脂“スミカエクセルPES 3600P”(玻璃化转变温度Tg=225℃)70质量份和Owens Corning Japan Ltd.制的玻璃纤维“CS03JAPx-1”(单纤维直径10μm、折射率1.56)30质量份混合，相对于该混合物100质量份，添加和光纯药工业(株)制的磷酸三苯酯0.2质量份作为热稳定剂之后，使用(株)池贝制的双轴挤出机“PCM-30”进行熔融混炼，由此制备包含激光焊接用树脂组合物的颗粒。作为此时的熔融混炼条件，将该双轴挤出机的料筒设定温度设为330℃，螺杆旋转速度设定为150rpm。这里所说的料筒设定温度指的是设置在从料筒的最下游部直至料筒长度的约2/3部分的加热仪器的设定温度的平均值。表1为组成表。
<实施例6>
除了代用Owens Corning Japan Ltd.制的玻璃纤维“CS03MAFT692”(单纤维直径13μm、折射率1.56)之外，与上述实施例5同样地制备包含激光焊接用树脂组合物的颗粒。表1为组成表。
<实施例7>
除了代用日本电气硝子(株)制的玻璃纤维“ECS03T-747”(单纤维直径17μm、折射率1.5)之外，与上述实施例5同样地制备包含激光焊接用树脂组合物的颗粒。表1为组成表。
<实施例8>
除了代用Owens Corning Japan Ltd.制的玻璃纤维“CS03TAFT692”(单纤维直径23μm、折射率1.56)之外，与上述实施例5同样地制备包含激光焊接用树脂组合物的颗粒。表1为组成表。
<实施例9>
相对于芳香族聚砜树脂和玻璃纤维的混合物100质量份，进一步添加三硬脂酸甘油酯0.1质量份作为润滑剂，除此之外与上述实施例8同样地制备包含激光焊接用树脂组合物的颗粒。表1为组成表。
<比较例1>
除了代用Owens Corning Japan Ltd.制的玻璃纤维“03DE FT791A”(单纤维直径6μm、折射率1.56)之外，与上述实施例1同样地制备包含激光焊接用树脂组合物的颗粒。表1为组成表。
<比较例2>
除了代用Owens Corning Japan Ltd.制的玻璃纤维“03DE FT791A”(单纤维直径6μm、折射率1.56)之外，与上述实施例5同样地制备包含激光焊接用树脂组合物的颗粒。表1为组成表。
[表1]
热塑性树脂(质量份) 填料(填料直径，质量份) 添加剂
实施例1 芳香族聚砜树脂(80) 玻璃纤维(10μm,20) 热稳定剂
实施例2 芳香族聚砜树脂(80) 玻璃纤维(13μm,20) 热稳定剂
实施例3 芳香族聚砜树脂(80) 玻璃纤维(17μm,20) 热稳定剂
实施例4 芳香族聚砜树脂(80) 玻璃纤维(23μm,20) 热稳定剂
实施例5 芳香族聚砜树脂(70) 玻璃纤维(10μm,30) 热稳定剂
实施例6 芳香族聚砜树脂(70) 玻璃纤维(13μm,30) 热稳定剂
实施例7 芳香族聚砜树脂(70) 玻璃纤维(17μm,30) 热稳定剂
实施例8 芳香族聚砜树脂(70) 玻璃纤维(23μm,30) 热稳定剂
实施例9 芳香族聚砜树脂(70) 玻璃纤维(23μm,30) 热稳定剂、润滑剂
比较例1 芳香族聚砜树脂(80) 玻璃纤维(6μm,20) 热稳定剂
比较例2 芳香族聚砜树脂(70) 玻璃纤维(6μm,20) 热稳定剂
<激光焊接用成型体的激光透过率的测定>
为了调查激光焊接用成型体的厚度、玻璃纤维的单纤维直径以及润滑剂的有无对激光焊接用成型体的激光透过率的影响，对实施例1～9和比较例1、2分别使用日精树脂工业(株)制的电动成型机“ES400”，通过注射成型成型具有3种厚度(1mm、3mm、5mm)的平板(64mm×64mm)的样品(激光焊接用成型体)，按照以下步骤测定各样品的激光透过率。
首先，如图2(a)所示，使用(株)ファインディバイス制的激光产生装置5，以输出功率5w产生波长940nm的激光B，用オフィール社(Ophir Optronics)制的能量测定仪6测定能量E1。接着，如图2(b)所示，在激光产生装置5与能量测定仪6之间，以相对于激光B的行进方向垂直的方式保持样品7，在该状态下从激光产生装置5以相同的输出功率产生相同波长的激光B，用能量测定仪6测定能量E2。然后，求得能量E2与能量E1的比率，由此算出样品7的激光透过率(单位：%)。
结果如表2所示。
[表2]
Figure 40600DEST_PATH_IMAGE004
表2中，将实施例1～4与比较例1比较后可知，芳香族聚砜树脂与玻璃纤维的混合比为80质量份:20质量份时，无论样品的厚度如何，玻璃纤维的单纤维直径越大则激光焊接用成型体的激光透过率越高。此外，芳香族聚砜树脂与玻璃纤维的混合比为70质量份:30质量份时，将实施例5～8与比较例2比较后可知，无论样品的厚度如何，玻璃纤维的单纤维直径越大则激光焊接用成型体的激光透过率越高。
进一步地，由实施例8与实施例9的比较可知，若向激光焊接用树脂组合物中添加润滑剂，则激光焊接用成型体的激光透过率提高。
产业实用性
本发明涉及的激光焊接用成型体例如可以广泛地用于连接器、插座、继电器部件、绕线管、光学读取头（optical pick-up）、振荡子（）、印刷线路板、计算机相关部件等电气、电子元件，IC托盘、晶片载体等半导体制造工艺相关部件，VTR、电视接收机、熨斗、空调、立体声设备、吸尘器、冰箱、电饭煲、照明器具等家庭电制品部件，灯光反射器、灯座等照明器具部件，CD（compact disk）、Laser Disc(注册商标)、扬声器等音响制品部件，光缆用套管、电话机部件、传真部件、调制解调器等通信仪器部件，分离爪、加热器座等复印机相关部件，叶轮、风扇、齿轮、齿轮、轴承、电动机部件和外壳等机械部件，汽车用机构部件、引擎部件、电池部件、引擎室内部件、电装部件、内装部件、进气歧管、中冷器入口、排气管盖等吸排气系统部件等汽车部件，微波烹调用锅、耐热餐具等烹调用器具，地板材料、壁材等绝热、隔音用材料，梁、柱等支撑材料，屋顶材料等建筑材料或土木建筑用材料，飞机部件、航天器部件、原子反应堆等放射线设施部件、海洋设施部件、洗涤用夹具、光学仪器部件、阀类、管类、喷嘴类、过滤器类、膜、医疗用仪器部件及医疗用材料、传感器类部件、卫生设备、运动用品、休闲用品等中。
此外，本发明涉及的复合成型体适用作厚度超过2mm的大型成型体，作为该例子，可以举出用于在内部流通或保持液体的部件，特别是燃料罐、电池部件等汽车部件等。
以上对本发明的优选实施例进行了说明，但是本发明不被这些实施例所限定。在不脱离本发明的宗旨的范围内，可以进行技术方案的附加、省略、置换以及其它改变。本发明不被上述说明所限定，而仅被随附的权利要求所限定。

Claims (5)

1.激光焊接用树脂组合物，其为含有芳香族聚砜树脂、填料和结晶性树脂的激光焊接用树脂组合物，其特征在于，
所述芳香族聚砜树脂与所述填料的质量比为20:80～99:1，
所述填料是单纤维直径为10～50μm的玻璃纤维，
相对于所述芳香族聚砜树脂和所述玻璃纤维总计100质量份，配合所述结晶性树脂0～10质量份。
2.如权利要求1所述的激光焊接用树脂组合物，其特征在于，所述玻璃纤维的折射率为1.4～1.8。
3.如权利要求1所述的激光焊接用树脂组合物，其特征在于，相对于所述芳香族聚砜树脂和所述玻璃纤维总计100质量份，添加润滑剂0.01～1质量份。
4.激光焊接用成型体，其包含权利要求1所述的激光焊接用树脂组合物，其特征在于，其厚度为0.5～6mm。
5.复合成型体，其是通过使透过侧被焊接物与吸收侧被焊接物接触，对所述透过侧被焊接物与所述吸收侧被焊接物的界面通过所述透过侧被焊接物照射激光而将所述透过侧被焊接物和所述吸收侧被焊接物激光焊接来得到的，其特征在于，使用包含权利要求1所述的激光焊接用树脂组合物的激光焊接用成型体作为所述透过侧被焊接物。
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