CN109476089A - The joint method of synthetic resin - Google Patents
The joint method of synthetic resin Download PDFInfo
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- CN109476089A CN109476089A CN201780043285.9A CN201780043285A CN109476089A CN 109476089 A CN109476089 A CN 109476089A CN 201780043285 A CN201780043285 A CN 201780043285A CN 109476089 A CN109476089 A CN 109476089A
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- molded product
- resin
- ultraviolet light
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- synthetic resin
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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
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- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Synthetic resin with relatively high heat resistance is attached the present invention so that the deformation of synthetic resin, the deformation of hollow portion are suppressed smaller and obtain sufficient bond strength.In the joint method engaged to the synthetic resin being made of resin combination, the first molded product (10 is provided1) and the second molded product (102), to the first molded product (101) and the second molded product (102) surface predetermined shadow surface (101a、102A) vacuum-ultraviolet light is irradiated respectively, to the first molded product (101) and the second molded product (102) it is positioned such that shadow surface (101a、102A) opposed contact, to the first molded product (101) and the second molded product (102) pressurizeed so that the first molded product (101) and the second molded product (102) in respective shadow surface (101a、102A) it engages, resin combination is 140 DEG C of vicat softening temperature or more, the first molded product (101) and the second molded product (102) engaged under the pressure of 10MPa or more.
Description
Technical field
The present invention relates to a kind of irradiation lights come the joint method of the synthetic resin engaged to synthetic resin.
Background technique
All the time, the runner of analytical equipment, match tube elements, electronic control unit (ECU:Electronic Control
Unit case lid etc.) is made of resin combination, and using in the internal three-dimensional hollow body for forming hollow portion.Three-dimensional hollow body
Multiple component parts of most of synthetic resins to be formed by resin combination are constituted in a manner of engaging each other.
In order to which the component parts to synthetic resin engages, adhesive, thermofussion welding etc., various engagement skills are proposed
Art.But although the technology engaged by adhesive to synthetic resin can be in the feelings for deforming synthetic resin
It is engaged under condition, but the solidification of adhesive will spend a few houres thus producing rate variance under normal circumstances, and due to adhesive
Leakage dew is not suitable for the engagement of fine runner element to hollow portion and the problem of cause slot to bury etc.Moreover, to resin
The synthetic resin that the technology that molded product carries out thermofussion welding can be engaged with a few minutes, but be engaged generates burr sometimes, or
In hollow portion thermal deformation occurs for person.
Furthermore, it is also proposed that carried out in a manner of being handled by vacuum-ultraviolet light (VUV) synthetic resin
The technology (- 4, non-patent literature 1 referring to patent document 1) of engagement.According to the technology, although the engagement needs of synthetic resin are several
Minute arrives the time of dozens of minutes or so, but small, hollow portion the deformation of deformation of the synthetic resin engaged is also small.Patent text
Offer 1,2, contemplate synthetic resin by polymethyl methacrylate (PMMA) resin, cyclic olefin resin in non-patent literature 1
Equal amorphous resins are formed, and bond strength is in 1MPa or less.Silicone adhesive is contemplated in patent document 3,4.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2006-187730 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2009-173894 bulletin
Patent document 3: Japanese Unexamined Patent Publication 2011-148104 bulletin
Patent document 4: Japanese Unexamined Patent Publication 2013-147018 bulletin
Non-patent literature
Non-patent literature 1: mouth of a valley justice is still and other 4 people, " cyclic olefin polymer for being activated by optical surface and being realized connects
Close: bond strength evaluation and application in fluid channel ", sufacing, sufacing association, volume 2014, the 65th, No. 5, the
36-41 pages
Summary of the invention
Problems to be solved by the invention
On the other hand, it is applied with the molded product (especially three of heat and big mechanical stress for a long time for water pump element etc.
Tie up ducted body), resin, such as polybutylene terephthalate (PBT) high and with firm stable property using heat resistance
(PBT) crystallinity thermoplastic resin as resin, polyphenylene sulfide (PPS) resin.In addition, also seeking to by by this
When the synthetic resin that resin is formed is engaged and three-dimensional hollow body is made, because of the deformation of synthetic resin caused by engaging
Small, hollow portion deformation is also small.
Although the technology engaged in a manner of being handled by vacuum-ultraviolet light above-mentioned synthetic resin
Can the deformation of the deformation of synthetic resin, hollow portion be inhibited smaller, but it is envisioned that the resin formed by amorphous resin
The engagement of molded product, the solidification of silicone adhesive.But such as comparing like that with 140 DEG C of vicat softening temperature or more
The resin of high heat resistance when especially engaging to crystallinity thermoplastic resin, is unable to ensure sufficient bond strength.
The present invention is situation and the scheme that proposes in view of the above fact, even if the purpose of the present invention is to provide one kind right
It, also can be by resin in the case where being engaged by the synthetic resin that the resin combination with relatively high heat resistance is formed
The deformation of molded product, the deformation of hollow portion inhibit smaller, so as to obtain the such tree of high bond strength (1MPa or more)
The joint method of rouge molded product.
The method used for solving the problem
In order to solve the above problems, the joint method of synthetic resin according to the present invention, to by resin combination group
At synthetic resin engaged comprising following steps: provide the first molded product and the second molded product；Respectively to institute
State the scheduled irradiation area irradiation vacuum-ultraviolet light on the surface of the first molded product and second molded product；It is the first one-tenth described
Type product and second molded product are positioned such that the opposed contact of the irradiation area；To first molded product and institute
The second molded product is stated to be pressurizeed so that first molded product and second molded product connect in respective irradiation area
It closes, and the resin combination is 140 DEG C of vicat softening temperature or more, first molded product and second molded product
It is engaged under the pressure of 10MPa or more.
The vacuum-ultraviolet light can also to first molded product and second molded product irradiation more than 0 minute and
15 minutes time below.The resin combination can also be formed by thermoplasticity crystalline resin.The thermoplasticity knot
Crystalline substance resin can also containing polyacetals, polybutylene terephthalate (PBT), polyethylene terephthalate, polyphenylene sulfide or
Liquid crystal polymer.Respectively surface also may include opposed faces for first molded product and second molded product, the irradiation
Region also may include at least part of the opposed faces.Here, opposed faces refer to, such as flat surface each other can be opposed
The surface of contact, even having indent and convex surface, as long as the recess portion of the first molded product and the second molded product protrusion (or
The recess portion of the protrusion of first molded product and the second molded product) be can corresponding fitting surface, then have no and particularly limit.
Invention effect
According to the present invention, the resin combination with relatively high heat resistance can be engaged so that resin at
The deformation of type product, the deformation of hollow portion for the synthetic resin for especially constituting three-dimensional hollow body are suppressed smaller.In addition, connecing
The synthetic resin closed has high bond strength.
Detailed description of the invention
Figure 1A is the figure for schematically showing the process of joint method of synthetic resin.
Figure 1B is the figure for schematically showing the process of joint method of synthetic resin.
Fig. 1 C is the figure for schematically showing the process of joint method of synthetic resin.
Fig. 2 is the photo of vacuum-ultraviolet light irradiation unit.
Fig. 3 is the photo of joint test piece.
Fig. 4 is the curve graph of the irradiation time for indicating PBT resin composition and the relationship of bond strength.
Fig. 5 is the curve graph of the irradiation time for indicating PPS resin composition and the relationship of bond strength.
Fig. 6 is the curve graph of the irradiation time for indicating POM resin combination and the relationship of bond strength.
Fig. 7 is the curve graph of the irradiation time for indicating LCP resin combination and the relationship of bond strength.
Specific embodiment
Hereinafter, being carried out specifically referring to embodiment of the attached drawing to the joint method of synthetic resin according to the present invention
It is bright.In the present embodiment, resin combination is for example with 140 DEG C of vicat softening temperature or more heat resistances relatively high like that.
The resin combination can be thermoplasticity crystalline resin.In addition, the vicat softening temperature in the present invention refers to, it is based on
The B50 method (50 DEG C/h of test load 10N and heating rate) of ISO306 and the value measured.
As thermoplasticity crystalline resin, for example, it is also possible to use polyacetals (POM), polybutylene terephthalate
Ester (PBT), polyethylene terephthalate (PET), polyphenylene sulfide (PPS), liquid crystal polymer (LCP).Thermoplasticity crystallization
Property resin be generally it is opaque, but the low resin of crystallinity be also possible to it is translucent or transparent.
Glass fibre can also be added in thermoplasticity crystalline resin.In addition it is also possible in crystallinity thermoplasticity
Addition has compound, the elastomer of polar functional group in resin.Compound with polar functional group is either bisphenol-A ring
Oxygen compound, bisphenol F type epoxy compound, novolak type epoxy compounds, aliphatic type ring oxygen compound, glycidyl amine
The epoxy compounds such as type ring oxygen compound, be also possible to oxazoline compound, oxazines compound, carbodiimide compound,
Dimethyleneimine compound.In addition, elastomer is either ethylene ethyl acrylate copolymer, ethylene methacrylic acid glycidol
The olefin-based elastomers such as ester copolymer are also possible to acrylic elastomer (such as acrylic acid series nucleocapsid polymer), amino first
Acid esters based elastomers, styrene series elastomer, polyester-based elastomer, diene based elastomers.
In the present embodiment, using the first molded product made of resin combination and the second molded product and make them
It engages each other.The opposed faces to engage each other in first molded product and the second molded product including surface, and their opposed faces
It is formed corresponding shape.For example, the opposed faces of the first molded product and the second molded product can also be respectively formed as greatly
It causes flat.In addition, opposed faces either have indent and convex surface, are also possible to the recess portion and the second molded product of the first molded product
The surface that can be bonded in a corresponding way of protrusion (or recess portion of the protrusion of the first molded product and the second molded product).
Figure 1A to Fig. 1 C is the figure for schematically showing a series of process of present embodiment.As shown in Figure 1A, prepare
First molded product 101, using vacuum-ultraviolet light irradiation unit 20 to the first molded product 101Shadow surface 101A irradiates vacuum ultraviolet
(VUV) light.Here, vacuum-ultraviolet light refers to, wavelength is 200nm light below within ultraviolet light, not necessarily in vacuum
In the light that is irradiated, but the ultraviolet light of the wavelength domain is big through the absorption of air, therefore in the case where being irradiated in air
Need to shorten the distance of vacuum ultraviolet light propagation.
In figure 1A, vacuum-ultraviolet light irradiation unit 20 has the light sources 21 such as Xe Excimer lamp and will discharge from light source 21
The reflecting plate 22 that light out is reflected towards irradiation object.Fig. 2 is an exemplary photograph for indicating vacuum-ultraviolet light irradiation unit
Piece.Vacuum-ultraviolet light irradiation unit shown in the photo can be irradiated from the opening being formed on framework upper surface towards top
Vacuum-ultraviolet light.
As shown in Figure 1A, the first molded product 101Shadow surface 10 with general planar1a.In the present embodiment, from vacuum
UV curing apparatus 20 is towards the first molded product 101Shadow surface 101A irradiates vacuum-ultraviolet light 2 minutes.Photograph in this way
Processing is penetrated, in the first molded product 101Shadow surface 101It is formed on a from shadow surface 101A plays the resin combination until predetermined depth
The process layer 11 that the character of object has changed1。
Similarly, prepare the second molded product 10 out2, from vacuum-ultraviolet light irradiation unit 20 towards the second molded product 102Photograph
Penetrate face 102A irradiates vacuum-ultraviolet light 2 minutes.Second molded product 102Shadow surface 102A is used and the first molded product 101Engagement
Opposed faces.Treatment with irradiation in this way, in the second molded product 102Shadow surface 102It is also formed on a from shadow surface 102A rises
The process layer 11 that the character of resin combination has changed until predetermined depth2。
In the present embodiment, vacuum-ultraviolet light is to the first molded product 101And second molded product 102Irradiation not office
It is limited to 2 minutes, is also possible to more than 0 minute and 15 minutes time below.In addition it is also possible to be 11 minutes 5 seconds or more or less
The time of (such as 10 minutes 30 seconds or more or less or 7 minutes 1 minute or more or less).By the irradiation of vacuum-ultraviolet light,
One molded product 101Shadow surface 101A and the second molded product 102Shadow surface 102The deterioration of a promotes, and there is bond strength instead
The case where reduction, therefore vacuum-ultraviolet light is to the first molded product 101And second molded product 102Irradiation preferably scheduled
In time.
In addition, vacuum-ultraviolet light is to the first molded product 101With the second molded product 102Irradiation also can use same vacuum
UV curing apparatus carries out simultaneously.In addition it is also possible to said sequence on the contrary, first carrying out vacuum-ultraviolet light to the second molded product
102Irradiation, then to the first molded product 101Irradiate vacuum-ultraviolet light.
As shown in Figure 1B, to the first molded product 101And second molded product 102It is positioned such that the first molded product 101's
Shadow surface 101A and the second molded product 102Shadow surface 102The opposed contact of a.I.e., make the first molded product 101Opposed faces and the
Two molded products 102The corresponding fitting of opposed faces.In the state of located, the first molded product 101General planar shadow surface
101A and the second molded product 102General planar shadow surface 102A is substantially contacted with each other on the whole at it.
To the first molded product 101And second molded product 102The operation positioned is preferably to terminate to the first molding
Product 101And second molded product 102Irradiate vacuum-ultraviolet light process (A referring to Fig.1), later, the short time as far as possible (preferably
It is within 5 minutes, within such as 1 minute) it carries out.In addition, even if in the case where irradiating vacuum-ultraviolet light as ultraviolet light,
In the case where extending long by the time of the operation positioned after terminating irradiation (such as 1 month, preferably 1 week
Within, within more preferably 3 hours, within further preferably 1 hour, especially preferably within 30 minutes), it is also easy to obtain
High bond strength, thus it is advantageous.
As shown in Figure 1 C, the first molded product that located using 32 pairs of the first punch components 31 and the second punch components
101And second molded product 102It is clamped.Moreover, using the first punch components 31 and the second punch components 32 to the first one-tenth
Type product 101And second molded product 102It pressurizes.
For example, by the first punch components 31 and the second punch components 32, towards to the first molded product 101Shadow surface
101A and the second molded product 102Shadow surface 102The direction that a is pressed mutually is to the first molded product 101Shadow surface 101A and
Second molded product 102Shadow surface 102The pressure of a application 10MPa or more.The pressure is suitably adjusted in the range of 10MPa or more
?.Upper limit of pressure is simultaneously not particularly restricted, but in the case where being pressed with high pressure, the deformation of molded product may
As problem, therefore preferably 60MPa is hereinafter, be for example also possible to 30MPa.Pressing time can also be 2 minutes or more, 120
Minute or less range in carry out suitably adjust, such as can carry out pressurization 60 minutes.
Meanwhile first punch components 31 and the second punch components 32 can also have heating device, also can use this
Heating device is to the first molded product 101Shadow surface 101A and the second molded product 102Shadow surface 102A is heated.First at
Type product 101Shadow surface 101A and the second molded product 102Shadow surface 102The temperature of a is according to used resin at 50 DEG C to tree
It carries out suitably adjusting in the range of the fusing point of rouge, such as can also maintain and be heated at 120 DEG C.As benchmark,
It is adjusted in the range of 0.5 times to 2 times of the heat distortion temperature of the resin engaged.In addition, the heat in the present invention
Deformation temperature refers to, is based on ISO75-1,2 values determined under conditions of load 1.8MPa.
Pressurization in this way makes the first molded product 101Process layer 111With the second molded product 102Process layer 112Phase
Fusion, to form single bonding layer 12.That is, the first molded product 101With the second molded product 102In respective opposed faces with
The mode mutually merged links.First molded product 10 as a result,1And second molded product 102Pass through 12 company of being integrally formed of bonding layer
It is connected together, to constitute single molded product (such as three-dimensional hollow body).
Bonding layer 12 is the first molded product 10 being had activated by vacuum-ultraviolet light1Process layer 111With the second molding
Product 102Process layer 112It is fused together by the heating of predetermined time and the process of pressurization.Therefore, real by bonding layer 12
The first existing molded product 101And second molded product 102Be connected in terms of mechanicalness securely, it is also stable at chemically aspect.
In the present embodiment, by applying the pressure of 10MPa or more, even thus for example by having dimension card softening temperature
The first molded product 10 that the resin combination of 140 DEG C of degree or more heat resistance relatively high like that is formed1And second molded product 102,
Also it can reliably engage.The resin combination can also be formed by thermoplasticity crystalline resin.
In the present embodiment, by making the first molded product 10 formed by vacuum-ultraviolet light1Process layer 111With second
Molded product 102Process layer 112It links together as the bonding layer 12 merged into each other.Therefore, the deformation of bonding layer 12 it is small,
Burr will not be generated.In addition, even if on bonding layer 12 there are in the case where the hollow portion of the fine construction such as slot, will not
It is damaged because of the deformation of such hollow portion.
Present embodiment can use heat resistance high (such as 140 DEG C of vicat softening temperature or more) and have firm stable
The resin of property, such as polyacetals (POM) resin, polybutylene terephthalate (PBT) (PBT) resin, poly terephthalic acid second two
Thermoplasticity crystalline resin as alcohol ester (PET) resin, polyphenylene sulfide (PPS) resin, liquid crystal polymer (LCP).In this way
Thermoplasticity crystalline resin can be used for water pump element etc. and be applied with the molded product of heat and big mechanical stress for a long time (especially
Three-dimensional hollow body) production.
Embodiment
The embodiment for being applicable in above-mentioned present embodiment is illustrated.Fig. 3 is the photo for indicating joint test piece.?
In the present embodiment, the joint test piece as shown in the photo of Fig. 3 is used as the first molded product and the second molded product.
Joint test piece is that the tension test sheet Type1A based on ISO3167 is made up of various resin combinations, later, with 2 etc.
Point mode cut off in the centre of length direction, and respectively from cut off end overlapping 10mm using as bonding land
Domain.In photo, 2 joint test pieces are loaded in a manner of engaging each other in engaging zones.
Fig. 4 is the curve graph of the irradiation time for indicating PBT resin composition and the relationship of bond strength.The graphical representation
The joint test piece engaged according to a series of process being illustrated in Figure 1A to Fig. 1 C is used out, is based on
ISO527-1,2 and the result after being measured using cupping machine to bond strength.Here, being used as ultraviolet light
Wavelength 172nm, illumination 6mW/cm2Vacuum-ultraviolet light, the process of the positioning of joint test piece shown in Figure 1B is in vacuum ultraviolet
The irradiation of light has terminated to carry out within 5 minutes.In addition, heating and the process pressurizeed shown in Fig. 1 C are, 120 DEG C of temperature with
And it is maintained 1 hour under pressure 30MPa.
Broken line a in Fig. 4 is the first molded product of expression and the second molded product is by by 30 mass % of glass fibre
Polybutylene terephthalate (PBT) (PBT) resin (the Win Tech Polymer Co. Ltd. system Duranex (registration enhanced
Trade mark) 3300,214 DEG C of vicat softening temperature, 213 DEG C of heat distortion temperature, 224 DEG C of fusing point) composition joint test piece engagement
Intensity.Measured value b is, after being added to epoxy resin on a small quantity in the PBT resin enhanced by 30 mass % of glass fibre
Obtained value.These PBT resins enhanced by glass fibre 30% and in the substance for being wherein added to epoxy resin on a small quantity
It is 140 DEG C of vicat softening temperature or more.
As shown in broken line a, the PBT resin that 30% mass of glass fibre is strengthened is in the region that irradiation time is more than 0 minute
It can ensure that certain bond strength, and maximum bond strength 9.3MPa can be reached at irradiation time 2 minutes.
Measured value b is that the first molded product and the second molded product are by being enhanced by 30 mass % of glass fibre
Bisphenol type epoxy tree is added in PBT resin (Win Tech Polymer Co. Ltd. system Duranex (registered trademark) 3300)
Composition (dimension card softening temperature after rouge (Mitsubishi chemical Co., Ltd EPIKOTE (registered trademark) JER1004K) 1.5 mass %
Spend 215 DEG C, 209 DEG C of heat distortion temperature, 224 DEG C of fusing point) bond strength of the joint test piece of composition and is shown in broken line a
Value of the bond strength of PBT resin strengthened of glass fibre 30% when becoming maximum irradiation time 2 minutes.In irradiation time
At 2 minutes, the bond strength for being added to the PBT resin that the glass fibre 30% of epoxy resin is strengthened is 10.0MPa, and is not added with
The 9.3MPa for the PBT resin that the glass fibre 30% of epoxy resin is strengthened is compared, and bond strength increases.
Fig. 5 is the curve graph of the irradiation time for indicating PPS resin composition and the relationship of bond strength.As the first molding
Product and the second molded product and using the following documented joint test piece being made of PPS resin composition, and according to Figure 1A
The a series of process being illustrated into Fig. 1 C, to engaging zones illumination wavelength 172nm, the illumination 6mW/ of joint test piece
cm2Vacuum-ultraviolet light, to the positioning for carrying out joint test piece within 5 minutes from terminating irradiation, broken line c is in temperature 200
DEG C and pressure 30MPa under, measured value d is, under 160 DEG C and pressure 30MPa, respectively by heat and pressurization 1 hour
To engage each other.Later, it is based on ISO527-1,2 and strong come the engagement to the bond tester after engagement using cupping machine
Degree measures.
Broken line c is that the first molded product and the second molded product are by polyphenylene sulfide (PPS) resin (treasured reason plastics
(Polyplastics) Co. Ltd. system DURAFIDE registered trademark) 0220A9) in be added to 30 mass % of glass fibre after
The value of composition (265 DEG C of heat distortion temperature, 280 DEG C of fusing point) composition.Measured value d is the first molded product and the second molded product
Be by PPS resin (Polyplastics Co., Ltd.'s DURAFIDE registered trademark) 0220A9) in be added to glass fibre 30
Group after quality % and elastomer (Sumitomo Chemical Co BOND FAST 7L) 4 mass % containing glycidyl
Close the value of object (235 DEG C of heat distortion temperature, 280 DEG C of fusing point) composition.It is added to the PPS tree of these glass fibres 30% reinforcing on a small quantity
Substance after rouge and the wherein elastomer containing glycidyl is 140 DEG C of vicat softening temperature or more.
About PPS resin, as shown in broken line c, formed in the PPS resin composition strengthened by 30 mass % of glass fibre
The joint of molded product can ensure that certain engagement in the region that irradiation time is more than 0 minute (especially at 2 minutes or more)
Intensity.In addition, by by the group after adding 30 mass % of glass fibre in PPS resin on a small quantity and elastomer containing glycidyl
The substance that the molded product of conjunction object composition is engaged, at irradiation time 2 minutes, is compared as shown in measured value d with broken line c
Compared with even if pressurizeing under conditions of heating temperature is low, bond strength can also be dramatically increased.
Fig. 6 is the curve graph of the irradiation time for indicating POM resin combination and the relationship of bond strength.As the first molding
Product and the second molded product and the joint test piece being made of using following documented POM resin combination, and according to Figure 1A
To a series of process illustrated in Fig. 1 C, to engaging zones illumination wavelength 172nm, the illumination 6mW/cm of joint test piece2
Vacuum-ultraviolet light, to the positioning for carrying out joint test piece within 5 minutes from terminating irradiation, in 140 DEG C of temperature and pressure
It heats and pressurizes 1 hour under 15MPa and engage each other.Later, it is based on ISO527-1,2 and is docked using cupping machine
The bond strength of the bond tester closed measures.
Broken line e is that the first molded product and the second molded product are by POM resin (Polyplastics Co., Ltd.'s system
DURACON (registered trademark) M90-44) in be added to polyurethane resin (Dainichiseika Color Chem's system
Resamine P-4088) composition (82 DEG C of heat distortion temperature, 165 DEG C of fusing point) composition after 13 mass % value.The POM tree
The vicat softening temperature of oil/fat composition is at 140 DEG C or more.
About the molded product being made of POM resin combination, as shown in broken line e, irradiation time is more than can in 0 point of region
Ensure certain bond strength, at irradiation time 7 minutes, can get extra high bond strength.
In Fig. 7, used as the first molded product and the second molded product following documented by LCP resin combination
The joint test piece of composition, and the engagement according to a series of process illustrated in Figure 1A to Fig. 1 C, to joint test piece
Area illumination wavelength 172nm, illumination 6mW/cm2Vacuum-ultraviolet light, to carrying out conjugation test within 5 minutes from terminating irradiation
The positioning of piece, heats and pressurizes 1 hour at 120 DEG C of the temperature and pressure 15MPa and engage each other.Later, it is based on
ISO527-1,2 and measures the bond strength of the bond tester engaged using cupping machine.
Broken line f is, the first molded product and the second molded product be by by 30 mass % of glass fibre by fusing point about 280
DEG C liquid crystal polymer (LCP) enhance composition (240 DEG C of heat distortion temperature, 280 DEG C of fusing point) composition value.The LCP group
The vicat softening temperature of object is closed at 140 DEG C or more.
About the molded product that LCP is made of resin combination, as shown in broken line f, with by PPS resin composition form at
Similarly, irradiation time is more than that can ensure that certain bond strength in 0 minute region to type product, can at irradiation time 7 minutes
Obtain extra high bond strength.
Be directed to as comparative example only to the first molded product, the second molded product one of irradiation ultraviolet light the case where into
Discussion is gone.Here, in addition to the irradiation for only carrying out ultraviolet light to the first molded product is without the feelings that are irradiated to the second molded product
It is identical as the broken line a in Fig. 4 other than condition, the first molded product and the second molded product use by 30 mass % of glass fibre and
Polybutylene terephthalate (PBT) (PBT) resin (the Win Tech Polymer Co. Ltd. system Duranex (registration enhanced
Trade mark) 3300) resin, in illumination wavelength 172nm, illumination 6mW/cm2Vacuum-ultraviolet light 2 minutes after, within 5 minutes into
Row positioning, later, is heated and is pressurizeed at 120 DEG C of temperature and pressure 30MPa and maintained 1 hour, bond strength is
0MPa.I.e., it can confirm that ultraviolet light can not only obtain sufficiently to the irradiation of one of them of the first molded product and the second molded product
Engagement.
Symbol description
101First molded product；
102Second molded product；
31 first punch components；
32 second punch components.
Claims (5)
1. a kind of joint method of synthetic resin, engages the synthetic resin being made of resin combination, including
Following steps:
First molded product and the second molded product are provided,
Vacuum-ultraviolet light is irradiated to the predetermined irradiation area on the surface of first molded product and second molded product respectively,
The opposed contact of the irradiation area is positioned such that first molded product and second molded product,
It is pressurizeed to first molded product and second molded product so that first molded product and described second
Molded product engages in respective irradiation area,
The resin combination is vicat softening temperature at 140 DEG C or more, first molded product and second molded product
It is engaged under the pressure of 10MPa or more.
2. joint method as described in claim 1, wherein
The irradiation time of the vacuum-ultraviolet light is more than 0 minute and less than 15 minutes.
3. joint method as described in claim 1, wherein
The resin combination is formed by thermoplasticity crystalline resin.
4. joint method as claimed in claim 3, wherein
The thermoplasticity crystalline resin contains polyacetals, polybutylene terephthalate (PBT), polyethylene terephthalate
Ester, polyphenylene sulfide or liquid crystal polymer.
5. joint method according to any one of claims 1 to 4, wherein
First molded product and second molded product include respectively opposed faces on surface, and the irradiation area includes described
At least part of opposed faces.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016138471 | 2016-07-13 | ||
| JP2016-138471 | 2016-07-13 | ||
| PCT/JP2017/025431 WO2018012544A1 (en) | 2016-07-13 | 2017-07-12 | Joining method for resin molded articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109476089A true CN109476089A (en) | 2019-03-15 |
| CN109476089B CN109476089B (en) | 2020-08-14 |
Family
ID=60952995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780043285.9A Active CN109476089B (en) | 2016-07-13 | 2017-07-12 | Method for joining resin molded articles |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6330113B1 (en) |
| CN (1) | CN109476089B (en) |
| WO (1) | WO2018012544A1 (en) |
Citations (7)
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|---|---|---|---|---|
| JP2003191387A (en) * | 2001-12-27 | 2003-07-08 | Mitsubishi Engineering Plastics Corp | Composite molded body and method for manufacturing it |
| JP2003220667A (en) * | 2002-01-31 | 2003-08-05 | Mitsubishi Engineering Plastics Corp | Composite molded product and method of manufacture thereof |
| CN101513784A (en) * | 2008-02-22 | 2009-08-26 | 精工爱普生株式会社 | Bonded body and method of manufacturing bonded body |
| CN101678611A (en) * | 2007-06-18 | 2010-03-24 | 精工爱普生株式会社 | Bonding method, bonded body, liquid jetting head and liquid jetting device |
| CN101811364A (en) * | 2009-02-25 | 2010-08-25 | 宝理塑料株式会社 | The joint method of synthetic resin |
| CN101845279A (en) * | 2009-03-26 | 2010-09-29 | 精工爱普生株式会社 | Method of joining and conjugant |
| JP2012232446A (en) * | 2011-04-28 | 2012-11-29 | Dainippon Printing Co Ltd | Laminate and method for manufacturing the same |
-
2017
- 2017-07-12 JP JP2017562369A patent/JP6330113B1/en active Active
- 2017-07-12 CN CN201780043285.9A patent/CN109476089B/en active Active
- 2017-07-12 WO PCT/JP2017/025431 patent/WO2018012544A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003191387A (en) * | 2001-12-27 | 2003-07-08 | Mitsubishi Engineering Plastics Corp | Composite molded body and method for manufacturing it |
| JP2003220667A (en) * | 2002-01-31 | 2003-08-05 | Mitsubishi Engineering Plastics Corp | Composite molded product and method of manufacture thereof |
| CN101678611A (en) * | 2007-06-18 | 2010-03-24 | 精工爱普生株式会社 | Bonding method, bonded body, liquid jetting head and liquid jetting device |
| CN101513784A (en) * | 2008-02-22 | 2009-08-26 | 精工爱普生株式会社 | Bonded body and method of manufacturing bonded body |
| CN101811364A (en) * | 2009-02-25 | 2010-08-25 | 宝理塑料株式会社 | The joint method of synthetic resin |
| CN101845279A (en) * | 2009-03-26 | 2010-09-29 | 精工爱普生株式会社 | Method of joining and conjugant |
| JP2012232446A (en) * | 2011-04-28 | 2012-11-29 | Dainippon Printing Co Ltd | Laminate and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018012544A1 (en) | 2018-01-18 |
| JPWO2018012544A1 (en) | 2018-07-12 |
| JP6330113B1 (en) | 2018-05-23 |
| CN109476089B (en) | 2020-08-14 |
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