CN114736648A - Adhesive capable of being B-staged at normal temperature - Google Patents
Adhesive capable of being B-staged at normal temperature Download PDFInfo
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- CN114736648A CN114736648A CN202210261075.XA CN202210261075A CN114736648A CN 114736648 A CN114736648 A CN 114736648A CN 202210261075 A CN202210261075 A CN 202210261075A CN 114736648 A CN114736648 A CN 114736648A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0073—Degasification of liquids by a method not covered by groups B01D19/0005 - B01D19/0042
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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Abstract
The invention belongs to the technical field of integrated circuit packaging, and particularly relates to a normal-temperature B-stage adhesive which comprises the following components in percentage by weight: organosilicon component: 100, respectively; chain extender: 10; an adhesion promoter: 1; catalyst: 0.1; curing agent: 2; filling: 10; during preparation: adding the organic silicon component and the filler into a stirring kettle, heating to the temperature, stirring in vacuum for hours, and cooling; respectively adding the chain extender, the adhesion promoter and the curing agent into a stirring kettle under the condition of nitrogen, and stirring uniformly; adding a catalyst under the condition of nitrogen, uniformly stirring, and then sealing for storage or filling into a rubber tube for sealing, thus completing preparation; compared with the conventional adhesive on the market, the adhesive prepared by the materials and the proportion has the function of B-stage self-propelled under normal temperature, has higher aging resistance and stability, and has the capability of pre-curing after being dispensed at normal temperature.
Description
Technical Field
The invention belongs to the technical field of integrated circuit packaging, and particularly relates to a normal-temperature B-stage adhesive.
Background
The cavity package is widely used and is a chip packaging system which is composed of a heat sink base, a lead frame and a cover.
On the premise of ensuring the air tightness and stability, the heat sink base and the lead frame, and the lead frame and the cover can be bonded by using an adhesive.
In order to improve the cavity packaging capacity and reduce the influence of the adhesive on the quality of packaged products in the curing process, the adhesive needs to be moved and stored in a B-stage mode after being dispensed on a lead frame and a cover, and the adhesive is adhered to a corresponding part after other processes are finished, wherein the B-stage adhesive can be adhered to the lead frame and the cover at normal temperature and is in a solid state, and the final curing performance cannot be influenced.
Chip packaging system need guarantee the gas tightness after through reflow soldering, temperature cycle, high temperature and high humidity circulation, therefore need satisfy after the adhesive solidification: 1. temperature resistance; 2. cold resistance; 3. moisture resistance; 4. high toughness.
The existing adhesive is difficult to realize the self B-stage function at normal temperature, has aging resistance and stability, and lacks the capability of pre-curing by dispensing at normal temperature.
Therefore, the invention provides an adhesive which can be B-staged at normal temperature.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the adhesive is prepared by stirring equipment, and comprises the following components in percentage by weight: organosilicon component: 100; chain extender: 10; an adhesion promoter: 1; catalyst: 0.1; curing agent: 2; filling: 10;
during preparation: adding the organic silicon component and the filler into a stirring kettle, heating to the temperature, stirring in vacuum for hours, and cooling; under the condition of nitrogen, respectively adding the chain extender, the adhesion promoter and the curing agent into a stirring kettle, and uniformly stirring; adding a catalyst under the condition of nitrogen, uniformly stirring, and then sealing for storage or filling into a rubber tube for sealing to finish the preparation;
compared with the conventional adhesive on the market, the adhesive prepared by the materials and the proportion has the function of B-stage self-propelled under normal temperature, has higher aging resistance and stability, and has the capability of pre-curing after being dispensed at normal temperature.
Preferably, agitated vessel includes the retort, the top fixed mounting of retort has driving motor, driving motor's drive end fixed mounting has the puddler, the inboard of retort has concentrated piece by bottom fixed mounting, concentrated piece is the infundibulate setting, and the top of concentrating the piece is circular setting, the bottom of concentrated piece is flat rectangle form, and the infundibulate setting of piece is concentrated in the cooperation for need pass through constrictive passageway when the adhesive is extruded, through this kind of setting, can effectually keep apart the bubble in the adhesive and block in the top of concentrating the piece, reduce the adhesive and carry this bubble outwards to discharge, thereby improved the quality of adhesive.
Preferably, two groups of electric valves are fixedly installed on the inner side of the concentration block close to the bottom end, a plurality of groups of separation blocks are fixedly installed on the inner side of the concentration block close to the top end, the outer sides of the separation blocks are arranged in an arc shape, holes are formed in the outer sides of the separation blocks, a plurality of groups of transmission pipes are fixedly installed in the reaction tank, the top ends of the transmission pipes are communicated with the inner side of the reaction tank, an absorption pump is fixedly installed at the top ends of the transmission pipes, a transmission groove is formed in the inner side of the concentration block, one end of the transmission groove is communicated with the inner part of the separation blocks, the other end of the transmission groove is communicated with the transmission pipes, the electric valves are closed firstly, after the adhesive is prepared, the electric valves are opened, the adhesive flows out normally, gaps through which the adhesive needs to flow out are smaller by matching with the arrangement of the separation blocks, so that bubbles can be blocked more effectively, and a plurality of groups of holes are formed in the outer sides of the separation blocks are matched at the same time, during the adhesive outwards discharges, open the absorption pump and let a small amount of suction effect and the hole in the separation block outside, because the bubble is blockked in the top of separation block, the separation block can be wherein with bubble and partial adhesive suction to transmit to the top and outside blowout through the transfer pipe this moment, spun bubble can break, and partial adhesive can melt into big adhesive is collective again, through this kind of setting, no longer block the bubble simply, but with the effectual removal of bubble, thereby further improved the production quality of adhesive.
Preferably, separation piece outside fixed mounting has a plurality of groups of absorption tube, the absorption tube is located the outside of hole, the absorption tube is rectangular shape setting, it is connected with the gyro wheel that two symmetries set up to rotate on the bottom inner wall of piece to concentrate, the outside fixed mounting of gyro wheel has a plurality of groups spine, the setting of cooperation absorption tube, and long and thin absorption tube dispersion can be effectual the inboard of pricking the bubble in the exit of concentrating the piece for the bubble can be better absorbed, and staggered arrangement's absorption tube can form network structure simultaneously, and more effective bubble that blocks outwards discharges, thereby further improved the production quality of adhesive, and the setting of gyro wheel can be at adhesive exhaust final stage friction adhesive, grind into less bubble with the bubble of leaking the net, thereby guarantee the quality of adhesive.
Preferably, the absorption tube includes the extension pipe and receives the cover, the inboard fixed mounting who receives the cover has the moulding ring, fixed mounting has moulding pad on the inner wall of extension pipe, moulding pad is rectangular shape setting, and moulding pad sets up for elastic material, and the inboard moulding ring of cover is received in the cooperation, can strut the cover with receiving, and greatly reduced leads to the tip of extension pipe to seal because of suction for the problem that suction effect disappears, and the setting of moulding pad can make the extension pipe outwards extend and not the bending that is rolled by the adhesive, thereby has guaranteed stopping and the absorption effect of absorption tube.
Preferably, the outside fixed mounting of extension pipe has broken fragment, broken fragment's outside fixed mounting has a plurality of groups of spine piece, and broken fragment one end is the arc setting, and the setting of the broken fragment outside spine piece of cooperation can pierce great bubble inboard to restrain slipping away from the gap of bubble, and the arc setting in broken fragment outside can reduce the damage that the mutual contact leads to between the extension pipe.
Preferably, the broken piece is located moulding one side relatively of filling up, broken kibbling other end fixed mounting has two sets of extrusion arms, the extrusion arm sets up for elastic material, and the extrusion arm is the arc setting, and the tip fixed mounting of extrusion arm has the extrusion ball, the extrusion ball sets up for elastic material, cooperates the setting of two sets of extrusion arms, when extension intraductal side is full of suction, and extension intraductal wall also can laminate each other, and two sets of extrusion arms can support moulding pad this moment, and two sets of extrusion arms can the incurve this moment to realized both guaranteeing that the extension pipe can not seal, can also guarantee the function that suction normally operated simultaneously.
Preferably, a separation cover is fixedly installed at the top end outlet of the conveying pipe, the separation cover is made of a metal material and is arranged in a spherical shape, a plurality of groups of holes are formed in the outer side of the separation cover, the separation cover is arranged in a matched mode, when the absorbed bubbles carry the adhesive to flow out of the top end of the conveying pipe, the adhesive can be split through the meshed arrangement of the separation cover, the adhesive can not be broken, the adhesive flows out of the holes of the separation cover, through the arrangement, the problem that the state of the bubbles enters the adhesive after the bubbles are conveyed is effectively solved, and therefore the quality of the adhesive is further guaranteed.
Preferably, the inboard fixed mounting of separation cover has a plurality of groups to pierce through the subassembly, pierces the subassembly and includes three piercing head, piercing head's tip is the sharp horn shape setting, and pierces through the outside of head and has seted up the inner groovy, cooperates the inboard structure setting of piercing head of separation cover, can puncture the bubble for the bubble just if not broken also can hold back in the inboard of separation cover, piercing head's form setting simultaneously, the fracture bubble that can be better lets the bubble easier, thereby further guaranteed the quality of adhesive.
Preferably, an external connecting block is fixedly installed between one end of each of the three groups of piercing heads, the external connecting block is fixedly connected with the separating cover, a plurality of groups of air holes are formed in the outer side of the external connecting block, a plurality of groups of airflow holes are formed in the outer side of the piercing head, the airflow holes are communicated with the air holes, and after the air bubbles are contacted with the piercing head, the air in the air bubbles is gradually discharged outwards by matching with the connection of the airflow holes and the air holes, so that the size of the air bubbles can be reduced, and the quality of the adhesive is ensured.
The invention has the following beneficial effects:
1. compared with the conventional adhesive on the market, the adhesive prepared by the specified material and the specified proportion has the function of self B-staging at normal temperature, has higher aging resistance and stability, and has the capability of pre-curing by dispensing at normal temperature.
2. According to the normal-temperature B-stage adhesive, due to the arrangement of the concentration block and the separation block, bubbles in the adhesive can be effectively isolated and blocked above the concentration block when the adhesive is extruded through a narrow channel, and the separation block absorbs the bubbles and breaks the bubbles, so that the production quality of the adhesive is effectively improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view showing the structure of an absorber pipe according to the present invention;
FIG. 5 is a partial cross-sectional view of the split cover of the present invention;
in the figure: 1. a reaction tank; 2. a drive motor; 3. an absorption pump; 4. a conveying pipe; 5. a centralized block; 7. a stirring rod; 8. a separation hood; 9. a transmission slot; 10. a roller; 12. separating the blocks; 13. an electrically operated valve; 14. an absorber tube; 15. a receiving housing; 16. a plastic ring; 17. an extension tube; 18. a shaping pad; 19. a squeezing arm; 20. breaking the fragments; 21. a pricking block; 22. piercing the head; 23. an airflow aperture; 24. and an external connecting block.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
Example one
The adhesive capable of being B-staged at normal temperature is prepared by stirring equipment and comprises the following components in percentage by weight: organosilicon component: 100, respectively; chain extender: 10; an adhesion promoter: 1; catalyst: 0.1; curing agent: 2; filling: 10;
wherein: the organic silicon component can be one or more of hydroxyl-terminated methyl silicone oil, polyhydroxy silicone oil, hydroxyl-terminated phenyl silicone oil and hydroxyl-terminated epoxy silicone oil.
The chain extender can be one or more of 3- (2, 3-epoxypropoxy) propyl methyldimethoxysilane, 3- (2, 3-epoxypropoxy) propyl methyldiethoxysilane, dimethyldimethoxysilane and dimethyldiethoxysilane.
The adhesion promoter can be one or more of 3-glycidoxypropyltrimethoxysilane and 3-glycidoxypropyltriethoxysilane.
The catalyst can be one or more of dibutyltin dilaurate and n-butyl titanate.
The curing agent can be one or more of dicyandiamide, dihydrazide sebacate, 3-diaminodiphenyl sulfone, 4-diaminodiphenyl sulfone, 2-methylimidazole, 2-phenylimidazole and 2-ethyl-4-methylimidazole.
The filler can be one or more of fumed silica, nano alumina, titanium dioxide, carbon black and talcum powder;
during preparation: adding the organic silicon component and the filler into a stirring kettle, heating to 110 ℃, stirring in vacuum for 2 hours, and cooling; under the condition of nitrogen, respectively adding the chain extender, the adhesion promoter and the curing agent into a stirring kettle, and uniformly stirring; adding a catalyst under the condition of nitrogen, uniformly stirring, and then sealing for storage or filling into a rubber tube for sealing to finish the preparation;
compared with the conventional adhesive on the market, the adhesive prepared by the materials and the proportion has the function of B-stage self-propelled under normal temperature, has higher aging resistance and stability, and has the capability of pre-curing after being dispensed at normal temperature.
As shown in fig. 1 to fig. 2, the stirring apparatus includes a reaction tank 1, a driving motor 2 is fixedly installed at the top end of the reaction tank 1, a stirring rod 7 is fixedly installed at the driving end of the driving motor 2, a concentration block 5 is fixedly installed at the inner side of the reaction tank 1 close to the bottom end, the concentration block 5 is arranged in a funnel shape, the top end of the concentration block 5 is arranged in a circular shape, the bottom end of the concentration block 5 is in a flat rectangular shape, when the stirring apparatus works, after the preparation of the adhesive is completed, a discharge valve at the bottom of the reaction tank 1 is opened to discharge the adhesive from the bottom, since the adhesive is a viscous liquid, gas can be mixed into the inside of the production process to generate bubbles, which results in the reduction of the quality of the production, and the funnel-shaped arrangement of the concentration block 5 is matched, so that the adhesive needs to pass through a narrow passage when extruded, through the arrangement, the bubbles in the adhesive can be effectively isolated and blocked above the concentration block 5, the bubbles carried by the adhesive are reduced to be discharged outwards, so that the quality of the adhesive is improved.
As shown in fig. 1 to 3, two sets of electric valves 13 are fixedly installed on the inner side of the concentration block 5 near the bottom end, a plurality of sets of separation blocks 12 are fixedly installed on the inner side of the concentration block 5 near the top end, the outer sides of the separation blocks 12 are arranged in an arc shape, holes are formed in the outer sides of the separation blocks 12, a plurality of sets of transmission pipes 4 are fixedly installed inside the reaction tank 1, the top ends of the transmission pipes 4 are communicated with the inner side of the reaction tank 1, an absorption pump 3 is fixedly installed at the top ends of the transmission pipes 4, a transmission groove 9 is formed in the inner side of the concentration block 5, one end of the transmission groove 9 is communicated with the inner side of the separation block 12, and the other end of the transmission groove 9 is communicated with the transmission pipes 4, when the electric valves 13 are closed first during operation, after the adhesive is prepared, the electric valves 13 are opened to allow the adhesive to normally flow out, and the setting of the separation blocks 12 is matched to allow the gap through which the adhesive to flow out to be smaller, therefore, bubbles can be blocked more effectively, meanwhile, a plurality of groups of holes are formed in the outer side of the separation block 12, during the period that the adhesive is discharged outwards, the absorption pump 3 is started to enable a small amount of suction force to act on the holes in the outer side of the separation block 12, the bubbles are blocked above the separation block 12, at the moment, the separation block 12 can suck the bubbles and part of the adhesive into the holes and transmit the bubbles to the top through the transmission pipe 4 and spray the bubbles outwards, the sprayed bubbles can be broken, part of the adhesive can be melted into a large adhesive set again, through the arrangement, the bubbles are not blocked simply, but are removed effectively, and therefore the production quality of the adhesive is further improved.
As shown in fig. 1 to 3, a plurality of groups of absorption tubes 14 are fixedly installed outside the separation block 12, the absorption tubes 14 are positioned at the outer sides of the holes, the absorption tubes 14 are arranged in a strip shape, the inner wall of the bottom end of the concentration block 5 is rotatably connected with two symmetrically arranged rollers 10, a plurality of groups of spines are fixedly arranged on the outer side of the roller 10, and in operation, the slender absorption tubes 14 are dispersed at the outlet of the concentration block 5 by matching with the arrangement of the absorption tubes 14, so that the slender absorption tubes can effectively pierce the inner side of bubbles, the bubbles can be better absorbed, meanwhile, the staggered absorption tubes 14 can form a net structure, so that the bubbles can be more effectively prevented from being discharged outwards, thereby further improved the production quality of adhesive, and the setting of gyro wheel 10, can rub the adhesive in the last stage of adhesive discharge, grind into less bubble with the bubble of hourglass net to guarantee the quality of adhesive.
As shown in fig. 4, the absorption tube 14 includes an extension tube 17 and a receiving cover 15, the inner side of the receiving cover 15 is fixedly provided with a shaping ring 16, the inner wall of the extension tube 17 is fixedly provided with a shaping pad 18, the shaping pad 18 is arranged in a long strip shape, and the shaping pad 18 is arranged by an elastic material, when the absorption tube is in operation, the shaping ring 16 on the inner side of the receiving cover 15 is matched to open the receiving cover 15, so that the problem that the end part of the extension tube 17 is closed due to suction force and the suction force disappears is greatly reduced, and the extension tube 17 can be extended outwards rather than bent due to rolling of the adhesive due to the arrangement of the shaping pad 18, thereby ensuring the blocking and absorption effects of the absorption tube 14.
As shown in fig. 4, the broken bits 20 are fixedly installed on the outer side of the extension pipe 17, the groups of spike blocks 21 are fixedly installed on the outer side of the broken bits 20, and one end of each broken block 20 is arranged in an arc shape, so that when the device works, the device is matched with the spike blocks 21 on the outer side of the broken bits 20 to pierce the inner side of a large bubble, thereby limiting the bubble from sliding away from a gap, and the damage caused by mutual contact between the extension pipes 17 can be reduced due to the arc-shaped arrangement on the outer side of the broken blocks 20.
As shown in fig. 4, broken fragment 20 is located moulding pad 18 opposite side, broken fragment 20's other end fixed mounting has two sets of extrusion arms 19, extrusion arm 19 is the elastic material setting, and extrusion arm 19 is the arc setting, and the tip fixed mounting of extrusion arm 19 has the extrusion ball, the extrusion ball sets up for elastic material, and the during operation, the setting of two sets of extrusion arms 19 of cooperation, when extension pipe 17 inboard is full of suction, extension pipe 17 inner wall also can laminate each other, and two sets of extrusion arms 19 can support moulding pad 18 this moment, and two sets of extrusion arms 19 can the outside bending this moment to realized both guaranteeing that extension pipe 17 can not seal, can also guarantee the function that suction normally operated simultaneously.
As shown in fig. 2 and 5, a separation cover 8 is fixedly installed at the top outlet of the conveying pipe 4, the separation cover 8 is made of a metal material, the separation cover 8 is arranged in a spherical shape, and a plurality of groups of holes are formed in the outer side of the separation cover 8, and in operation, the separation cover 8 is arranged in a matched manner, so that after the adhesive is carried by the absorbed bubbles and flows out from the top end of the conveying pipe 4, the sprayed bubbles which are not broken can be split by being arranged in a meshed manner by being matched with the separation cover 8, the adhesive flows out along the holes of the separation cover 8, and by means of the arrangement, the problem that the bubbles enter the adhesive in a state after being conveyed is effectively reduced, and the quality of the adhesive is further guaranteed.
As shown in fig. 5, the inboard fixed mounting of separation cover 8 has a plurality of groups to pierce through the subassembly, and it includes three piercing head 22 to pierce through the subassembly, piercing head 22's tip is the sharp horn shape setting, and pierces through the outside of head 22 and has seted up the inner groovy, in operation, the structure setting of the inboard piercing head 22 of cooperation separation cover 8 can be punctured the bubble for the bubble just can also be held back in the inboard of separation cover 8 even not broken, piercing head 22's form sets up simultaneously, the fracture bubble that can be better, let the easier breakage of bubble, thereby further guaranteed the quality of adhesive.
As shown in fig. 5, an external connection block 24 is fixedly installed between one end of each of the three groups of piercing heads 22, the external connection block 24 is fixedly connected with the separation cover 8, a plurality of groups of air holes are formed in the outer side of the external connection block 24, a plurality of groups of airflow holes 23 are formed in the outer side of the piercing head 22, and the airflow holes 23 are communicated with the air holes.
During operation, after the adhesive is prepared, the discharge valve at the bottom of the reaction tank 1 is opened to discharge the adhesive from the bottom, and the adhesive is viscous liquid, so that gas can be mixed in the inside of the production process to generate bubbles, which leads to the reduction of the production quality, and the funnel-shaped arrangement of the concentration block 5 is matched, so that the adhesive needs to pass through a narrow channel during extrusion, and through the arrangement, the bubbles in the adhesive can be effectively isolated and blocked above the concentration block 5, the bubbles carried by the adhesive are reduced to be discharged outwards, and the quality of the adhesive is improved; when the adhesive dispenser works, the electric valve 13 is closed, after the adhesive is prepared, the electric valve 13 is opened to enable the adhesive to flow out normally, the gap through which the adhesive needs to flow out is smaller by matching with the arrangement of the separation block 12, thereby blocking bubbles more effectively, and simultaneously matching with a plurality of groups of holes arranged on the outer side of the separation block 12, during the period of time when the adhesive is discharged, the suction pump 3 is started to allow a small amount of suction to act on the holes on the outer side of the separation block 12, since the air bubbles are stopped above the separation block 12, the separation block 12 sucks the air bubbles and a part of the adhesive therein, and transmits the air bubbles to the uppermost side through the transfer tube 4 and is ejected, the ejected air bubbles are broken, part of the adhesive can be re-melted into the large adhesive set, and through the arrangement, bubbles are not simply blocked any more, but are effectively removed, so that the production quality of the adhesive is further improved; when the adhesive is in work, the slender absorption tubes 14 are dispersed at the outlet of the concentrated block 5 and can effectively penetrate into the inner sides of the bubbles by matching with the arrangement of the absorption tubes 14, so that the bubbles can be better absorbed, meanwhile, the absorption tubes 14 which are staggered can form a net-shaped structure, and the bubbles can be more effectively prevented from being discharged outwards, so that the production quality of the adhesive is further improved, and the arrangement of the rollers 10 can rub the adhesive at the final stage of the discharge of the adhesive, so that the bubbles leaking out of the net are ground into smaller bubbles, and the quality of the adhesive is ensured; when the absorption tube 14 works, the shaping ring 16 on the inner side of the receiving cover 15 is matched to stretch the receiving cover 15, so that the problem that the end part of the extension tube 17 is closed due to suction force and the suction force action disappears is greatly reduced, and the shaping pad 18 can enable the extension tube 17 to extend outwards instead of being bent by being rolled by adhesive, so that the blocking and absorption effects of the absorption tube 14 are ensured; when the device works, the device is matched with the arrangement of the sharp block 21 at the outer side of the broken block 20, and can pierce the inner side of a larger bubble, so that the bubble is limited to slide away from a gap, and the damage caused by mutual contact between the extension pipes 17 can be reduced due to the arc arrangement at the outer side of the broken block 20; when the device works, the two groups of extrusion arms 19 are matched, when the inner side of the extension pipe 17 is full of suction, the inner walls of the extension pipe 17 are also attached to each other, the two groups of extrusion arms 19 abut against the shaping pad 18, and the two groups of extrusion arms 19 are bent outwards, so that the functions of ensuring that the extension pipe 17 cannot be closed and ensuring that the suction works normally are realized; when the device works, the separation cover 8 is matched, and after the absorbed bubbles carry the adhesive to flow out from the top end of the conveying pipe 4, the sprayed bubbles which are not broken can be cut by matching with the latticed arrangement of the separation cover 8, so that the adhesive flows out along the holes of the separation cover 8; during operation, the air bubbles can be punctured by matching with the structural arrangement of the puncturing head 22 on the inner side of the separation cover 8, so that the air bubbles can be trapped on the inner side of the separation cover 8 even if not broken, and meanwhile, the puncturing head 22 is arranged in a form, so that the air bubbles can be better split, the air bubbles can be broken more easily, and the quality of the adhesive is further ensured; during operation, after the air bubbles are contacted with the piercing head 22, the air in the air bubbles is gradually discharged outwards by matching with the connection of the air flow holes 23 and the air holes, so that the size of the air bubbles can be reduced, and the quality of the adhesive is ensured.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An adhesive capable of being B-staged at normal temperature is characterized in that: the adhesive is prepared by stirring equipment, and comprises the following components:
organosilicon component: 100;
chain extender: 10;
an adhesion promoter: 1;
catalyst: 0.1;
curing agent: 2;
filling: 10.
2. The adhesive capable of being B-staged at normal temperature as claimed in claim 1, wherein: agitated vessel includes retort (1), the top fixed mounting of retort (1) has driving motor (2), the drive end fixed mounting of driving motor (2) has puddler (7), the inboard of retort (1) leans on bottom fixed mounting to have concentrated piece (5), concentrated piece (5) are the infundibulate setting, and the top of concentrating piece (5) is circular setting, the bottom of concentrated piece (5) is flat rectangle form.
3. The adhesive capable of being B-staged at normal temperature as claimed in claim 2, wherein: the inboard of piece (5) of concentrating leans on bottom fixed mounting to have two sets of motorised valves (13), the inboard of piece (5) of concentrating leans on top fixed mounting to have a plurality of groups separating block (12), the outside of separating block (12) is the arc setting, and the hole is seted up in the outside of separating block (12), the inside fixed mounting of retort (1) has a plurality of groups transmission pipe (4), the top of transmission pipe (4) and the inboard intercommunication of retort (1), and the top fixed mounting of transmission pipe (4) has absorption pump (3), transmission groove (9) have been seted up to the inboard of piece (5) of concentrating, the one end of transmission groove (9) and the inside intercommunication of separating block (12), and the other end and transmission pipe (4) intercommunication of transmission groove (9).
4. The adhesive capable of being B-staged at normal temperature as claimed in claim 3, wherein: the utility model discloses a separation piece, including separation piece (12), absorption tube (14) are located the outside of hole, absorption tube (14) are rectangular shape setting, rotate on the bottom inner wall of piece (5) of concentrating and be connected with gyro wheel (10) that two symmetries set up, the outside fixed mounting of gyro wheel (10) has a plurality of groups point thorn.
5. The adhesive capable of being B-staged at normal temperature as claimed in claim 4, wherein: absorption tube (14) include extension pipe (17) and receive cover (15), the inboard fixed mounting that receives cover (15) has moulding ring (16), fixed mounting has moulding pad (18) on the inner wall of extension pipe (17), moulding pad (18) are rectangular shape setting, and moulding pad (18) set up for elastic material.
6. The adhesive capable of being B-staged at normal temperature as claimed in claim 5, wherein: broken pieces (20) are fixedly installed on the outer side of the extension pipe (17), a plurality of groups of sharp-pointed blocks (21) are fixedly installed on the outer side of the broken pieces (20), and one end of each broken block (20) is arranged in an arc shape.
7. The adhesive capable of being B-staged at normal temperature as claimed in claim 6, wherein: broken fragment (20) are located the relative one side of moulding pad (18), the other end fixed mounting of broken fragment (20) has two sets of extrusion arms (19), extrusion arm (19) are the elastic material setting, and extrusion arm (19) are the arc setting, and the tip fixed mounting of extrusion arm (19) has the extrusion ball, the extrusion ball sets up for elastic material.
8. The adhesive capable of being B-staged at normal temperature as claimed in claim 7, wherein: a separation cover (8) is fixedly installed at the outlet of the top end of the conveying pipe (4), the separation cover (8) is made of metal materials, the separation cover (8) is arranged in a spherical shape, and a plurality of groups of holes are formed in the outer side of the separation cover (8).
9. The adhesive capable of being B-staged at normal temperature as claimed in claim 8, wherein: the inboard fixed mounting of separation cover (8) has a plurality of groups to pierce through the subassembly, pierces through the subassembly and includes three piercing head (22), the tip of piercing head (22) is the setting of closed angle form, and pierces through the outside of head (22) and has seted up the inner groovy.
10. The adhesive capable of being B-staged at normal temperature as claimed in claim 9, wherein: an external connecting block (24) is fixedly installed between one end of each of the three groups of puncturing heads (22), the external connecting block (24) is fixedly connected with the separating cover (8), a plurality of groups of air holes are formed in the outer side of the external connecting block (24), a plurality of groups of airflow holes (23) are formed in the outer side of each puncturing head (22), and the airflow holes (23) are communicated with the air holes.
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| CN202210261075.XA CN114736648B (en) | 2022-03-17 | 2022-03-17 | Adhesive capable of being B-staged at normal temperature |
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| CN202210261075.XA CN114736648B (en) | 2022-03-17 | 2022-03-17 | Adhesive capable of being B-staged at normal temperature |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090124044A1 (en) * | 2007-11-09 | 2009-05-14 | Shu-Hui Hung | Method for removing bubbles from adhesive layer of semiconductor chip package |
| CN109382061A (en) * | 2018-12-13 | 2019-02-26 | 山东万山化工有限公司 | The device and reaction method of bubble in neutralization reaction kettle are eliminated in a kind of production of naphthalene water reducer |
| CN109825243A (en) * | 2019-01-31 | 2019-05-31 | 无锡海特信成高分子科技有限公司 | Electric car lithium ion power storage battery packet and system organosilicon adhesive and preparation method thereof |
| CN113559563A (en) * | 2021-07-28 | 2021-10-29 | 杭小洁 | Preparation method system and preparation method of organic silicon high-temperature anticorrosive paint |
| CN214635752U (en) * | 2021-04-22 | 2021-11-09 | 厦门鹭振科技有限公司 | Mixer vacuum system suitable for production of electronic adhesive |
| CN215028797U (en) * | 2021-01-26 | 2021-12-07 | 江苏道赢科技有限公司 | Bubble stirring reation kettle is removed in lithium cell binder preparation |
-
2022
- 2022-03-17 CN CN202210261075.XA patent/CN114736648B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090124044A1 (en) * | 2007-11-09 | 2009-05-14 | Shu-Hui Hung | Method for removing bubbles from adhesive layer of semiconductor chip package |
| CN109382061A (en) * | 2018-12-13 | 2019-02-26 | 山东万山化工有限公司 | The device and reaction method of bubble in neutralization reaction kettle are eliminated in a kind of production of naphthalene water reducer |
| CN109825243A (en) * | 2019-01-31 | 2019-05-31 | 无锡海特信成高分子科技有限公司 | Electric car lithium ion power storage battery packet and system organosilicon adhesive and preparation method thereof |
| CN215028797U (en) * | 2021-01-26 | 2021-12-07 | 江苏道赢科技有限公司 | Bubble stirring reation kettle is removed in lithium cell binder preparation |
| CN214635752U (en) * | 2021-04-22 | 2021-11-09 | 厦门鹭振科技有限公司 | Mixer vacuum system suitable for production of electronic adhesive |
| CN113559563A (en) * | 2021-07-28 | 2021-10-29 | 杭小洁 | Preparation method system and preparation method of organic silicon high-temperature anticorrosive paint |
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| CN114736648B (en) | 2023-08-01 |
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