CN114316671A - High-flexibility white hole plugging ink and preparation method thereof - Google Patents
High-flexibility white hole plugging ink and preparation method thereof Download PDFInfo
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- CN114316671A CN114316671A CN202210128393.9A CN202210128393A CN114316671A CN 114316671 A CN114316671 A CN 114316671A CN 202210128393 A CN202210128393 A CN 202210128393A CN 114316671 A CN114316671 A CN 114316671A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 77
- 239000011347 resin Substances 0.000 claims abstract description 77
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 60
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 60
- 229920000728 polyester Polymers 0.000 claims abstract description 54
- 150000003505 terpenes Chemical class 0.000 claims abstract description 51
- 235000007586 terpenes Nutrition 0.000 claims abstract description 51
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000004814 polyurethane Substances 0.000 claims abstract description 39
- 229920002635 polyurethane Polymers 0.000 claims abstract description 39
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 229920001225 polyester resin Polymers 0.000 claims abstract description 6
- 239000004645 polyester resin Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 171
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 114
- 238000000034 method Methods 0.000 claims description 111
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 82
- 239000003795 chemical substances by application Substances 0.000 claims description 60
- 230000015572 biosynthetic process Effects 0.000 claims description 59
- 238000003786 synthesis reaction Methods 0.000 claims description 59
- 230000008569 process Effects 0.000 claims description 54
- 239000002518 antifoaming agent Substances 0.000 claims description 42
- 239000004408 titanium dioxide Substances 0.000 claims description 41
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 40
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 40
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 38
- 239000012752 auxiliary agent Substances 0.000 claims description 33
- 230000002194 synthesizing effect Effects 0.000 claims description 32
- 239000000049 pigment Substances 0.000 claims description 27
- 239000000654 additive Substances 0.000 claims description 20
- 229920001577 copolymer Polymers 0.000 claims description 17
- 239000003607 modifier Substances 0.000 claims description 17
- 230000000996 additive effect Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- -1 photoinitiator Substances 0.000 claims description 12
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 239000002274 desiccant Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012257 stirred material Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- VNQXSTWCDUXYEZ-UHFFFAOYSA-N 1,7,7-trimethylbicyclo[2.2.1]heptane-2,3-dione Chemical compound C1CC2(C)C(=O)C(=O)C1C2(C)C VNQXSTWCDUXYEZ-UHFFFAOYSA-N 0.000 claims description 3
- AZUHIVLOSAPWDM-UHFFFAOYSA-N 2-(1h-imidazol-2-yl)-1h-imidazole Chemical compound C1=CNC(C=2NC=CN=2)=N1 AZUHIVLOSAPWDM-UHFFFAOYSA-N 0.000 claims description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229920003180 amino resin Polymers 0.000 claims description 3
- 150000004982 aromatic amines Chemical class 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000012965 benzophenone Substances 0.000 claims description 3
- 229930006711 bornane-2,3-dione Natural products 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 239000013530 defoamer Substances 0.000 claims description 3
- 125000005520 diaryliodonium group Chemical group 0.000 claims description 3
- 239000012954 diazonium Substances 0.000 claims description 3
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 150000002513 isocyanates Chemical class 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920006122 polyamide resin Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 claims description 3
- 125000005409 triarylsulfonium group Chemical group 0.000 claims description 3
- 239000011863 silicon-based powder Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 4
- 238000005336 cracking Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 3
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of hole plugging ink and discloses high-flexibility white hole plugging ink and a preparation method thereof; the high-flexibility white hole plugging ink comprises the following raw materials: the modified polyester acrylic resin is used as a main raw material, and the modified polyester acrylic resin combines the common characteristics of the acrylic resin and the polyester resin, so that the modified polyester acrylic resin has high flexibility at overheat baking and low temperature, and can be mixed with the modified terpene resin and the polyurethane acrylic oligomer, so that the situation of cracking and sinking caused by insufficient flexibility at high temperature or low temperature can be effectively avoided in use, the strippable ink has the characteristic of strippable ink, other stripping aids are not needed, and the operation is convenient.
Description
Technical Field
The invention belongs to the technical field of hole plugging ink, and particularly relates to high-flexibility white hole plugging ink and a preparation method thereof.
Background
With the development of the SMT and BGA technologies, especially the development of the number and density of the pins thereof, the requirements for mounting components are high, and in order to prevent short circuit during mounting of the SMT and BGA and prevent dirt from being hidden under the mounted components, ink is required to be plugged at the wire passing holes of the SMT and BGA, and the ink is called as hole plugging ink.
When the existing hole plugging ink is used, due to the problem of insufficient flexibility of the existing hole plugging ink, the phenomenon of cracking or sinking can be caused due to temperature difference change, such as overhigh or overlow temperature, so that the installation of SMT and BGA is influenced, and economic loss is caused; therefore, improvements are now needed in view of the current situation.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the white hole plugging ink with high flexibility and the preparation method thereof, which effectively solve the problem that the existing hole plugging ink is not flexible enough when in use, and is likely to cause cracking or sinking phenomenon due to temperature difference change, such as overhigh or overlow temperature, so that the installation of SMT and BGA is influenced and economic loss is caused.
In order to achieve the purpose, the invention provides the following technical scheme: a high-flexibility white hole plugging ink comprises the following raw materials: modified polyester acrylic resin, modified terpene resin, polyurethane acrylic oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder, titanium dioxide, pigment, photoinitiator, auxiliary agent, curing agent and defoaming agent.
Preferably, the weight parts of the raw materials are as follows: 30-40 parts of modified polyester acrylic resin, 20-25 parts of modified terpene resin, 10-12 parts of polyurethane acrylic oligomer, 20-25 parts of ethylene-vinyl acetate copolymer, 7-8 parts of toluene, 5-8 parts of aluminum powder, 8-10 parts of titanium dioxide, 6-8 parts of pigment, 5-6 parts of photoinitiator, 4-6 parts of auxiliary agent, 7-8 parts of curing agent and 5-8 parts of defoaming agent.
Preferably, the modified polyester acrylic resin is synthesized by a copolymerization method of polyester resin and acrylic resin, and the modified terpene resin is catechol-modified terpene resin.
Preferably, the pigment is one or a combination of more of titanium dioxide, titanium powder, barium sulfate or silica fume, the photoinitiator is one or a combination of more of benzophenone, thioxanthone, camphoroquinone, bisimidazole, aryl diazonium salt, diaryl iodonium salt, triaryl sulfonium salt or aryl ferrocenium salt, the auxiliary agent is one or a combination of more of a pH value stabilizer, an antifoaming agent, a quick drying agent or a slow drying agent, the curing agent is one or a combination of more of an isocyanate resin curing agent, a polyamide resin curing agent, an aromatic amine resin curing agent, an aliphatic amine resin curing agent, an amino resin curing agent or a phenolic resin curing agent, and the antifoaming agent is one or a combination of more of a polyether block type antifoaming agent, an organic silicon type antifoaming agent or a composite antifoaming agent.
Preferably, the preparation method of the white hole plugging ink with high flexibility sequentially comprises the following steps: preparing materials, synthesizing resins, synthesizing copolymers, synthesizing additives, synthesizing color modifiers and synthesizing curing agents;
the specific contents of the material preparation process are as follows: preparing 30-40 parts of modified polyester acrylic resin, 20-25 parts of modified terpene resin, 10-12 parts of polyurethane acrylic oligomer, 20-25 parts of ethylene-vinyl acetate copolymer, 7-8 parts of toluene, 5-8 parts of aluminum powder, 8-10 parts of titanium dioxide, 6-8 parts of pigment, 5-6 parts of photoinitiator, 4-6 parts of auxiliary agent, 7-8 parts of curing agent and 5-8 parts of defoaming agent for later use;
the specific contents of the resin synthesis process are as follows: 30-40 parts of prepared modified polyester acrylic resin and 20-25 parts of prepared modified terpene resin are put into a stirring kettle for stirring, the temperature of the stirring kettle is controlled to be 30-35 ℃, the stirring speed of the stirring kettle is controlled to be 700r/min, the stirring time is controlled to be 5-8min, and the working procedure is completed;
the specific content of the copolymer synthesis procedure is as follows: 10-12 parts of polyurethane acrylic acid oligomer, 20-25 parts of ethylene-vinyl acetate copolymer, 7-8 parts of toluene, 5-8 parts of aluminum powder and 8-10 parts of titanium dioxide are put into a stirring kettle which is already mixed with modified polyester acrylic resin and modified terpene resin, the temperature of the stirring kettle is adjusted to 33-37 ℃, the stirring speed of the stirring kettle is controlled to be 600r/min, the stirring time is controlled to be 8-10min, and the working procedure is completed;
the specific contents of the additive synthesis process are as follows: 5-6 parts of photoinitiator, 4-6 parts of auxiliary agent and 5-8 parts of defoaming agent are added into a stirring kettle which is mixed with modified polyester acrylic resin, modified terpene resin, polyurethane acrylic oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder and titanium dioxide, the temperature of the stirring kettle is adjusted to 25-27 ℃, the stirring speed of the stirring kettle is controlled to be 700r/min, the stirring time is controlled to be 3-4min, and after stirring, the stirred material is filtered by a filter to complete the working procedure;
the specific content of the color modifier synthesis process is as follows: 6-8 parts of pigment is put into a stirring kettle which is already mixed with the modified polyester acrylic resin, the modified terpene resin, the polyurethane acrylic oligomer, the ethylene-vinyl acetate copolymer, the toluene, the aluminum powder, the titanium dioxide, the photoinitiator, the auxiliary agent and the defoamer, the temperature of the stirring kettle is adjusted to 30-32 ℃, the stirring speed of the stirring kettle is controlled to be 800-1000r/min, the stirring time is controlled to be 3-4min, and the working procedure is finished;
the concrete content of the curing agent synthesis process is as follows: and (2) putting 7-8 parts of curing agent into a stirring kettle which is mixed with the modified polyester acrylic resin, the modified terpene resin, the polyurethane acrylic oligomer, the ethylene-vinyl acetate copolymer, the toluene, the aluminum powder, the titanium dioxide, the photoinitiator, the auxiliary agent, the defoaming agent and the pigment, adjusting the temperature of the stirring kettle to 30-32 ℃, controlling the stirring speed of the stirring kettle to be 500r/min and the stirring time to be 8-12min, and finishing the working procedure after adjusting the viscosity.
Preferably, the specific model of the stirring kettle used in the resin synthesis process, the copolymer synthesis process, the additive synthesis process, the color modifier synthesis process and the curing agent synthesis process is a GH-01 stainless steel stirring kettle, and a temperature control device is arranged in the stirring kettle.
Preferably, the specific model of the filter adopted in the additive synthesis process is DN50-15 type solid-liquid mixing filter, and the filtering mesh number is controlled to be 5-8 meshes during filtering.
Preferably, the specific value for adjusting the viscosity in the step of synthesizing the curing agent is 15 to 40 Pas.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the invention, the modified polyester acrylic resin is used as a main raw material, and the modified polyester acrylic resin combines the common characteristics of the acrylic resin and the polyester resin, so that the modified polyester acrylic resin has high flexibility at overheat baking and low temperature, and can be mixed with the modified terpene resin and the polyurethane acrylic oligomer, thereby effectively avoiding the conditions of cracking and sinking caused by insufficient flexibility at high temperature or low temperature in use;
2. according to the invention, the ethylene-vinyl acetate copolymer is used as a secondary raw material, and the hole plugging ink has the characteristic of high flexibility and the characteristic of strippable ink at the same time through the reaction of the ethylene-vinyl acetate copolymer, toluene, aluminum powder and titanium dioxide, so that when the ink in the hole plugging needs to be cleaned, other stripping aids are not needed, the work is facilitated, and the economic investment is reduced;
3. according to the invention, the preparation of the hole plugging ink is completed through the material preparation process, the resin synthesis process, the copolymer synthesis process, the additive synthesis process, the color modifier synthesis process and the curing agent synthesis process, the preparation process is simpler, the preparation time is shorter, the preparation efficiency is effectively improved, and the productivity is increased.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a process flow chart of a method for preparing a highly flexible white hole plugging ink of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to achieve the purpose, the invention provides the following technical scheme: a high-flexibility white hole plugging ink comprises the following raw materials: modified polyester acrylic resin, modified terpene resin, polyurethane acrylic oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder, titanium dioxide, pigment, photoinitiator, auxiliary agent, curing agent and defoaming agent.
Wherein the weight parts of the raw materials are as follows: 30-40 parts of modified polyester acrylic resin, 20-25 parts of modified terpene resin, 10-12 parts of polyurethane acrylic oligomer, 20-25 parts of ethylene-vinyl acetate copolymer, 7-8 parts of toluene, 5-8 parts of aluminum powder, 8-10 parts of titanium dioxide, 6-8 parts of pigment, 5-6 parts of photoinitiator, 4-6 parts of auxiliary agent, 7-8 parts of curing agent and 5-8 parts of defoaming agent; the modified polyester acrylic resin is specifically synthesized from polyester resin and acrylic resin by a copolymerization method, and modified terpene resin catechol is modified terpene resin; the pigment is one or a combination of more of titanium dioxide, titanium powder, barium sulfate or micro silicon powder, the photoinitiator is one or a combination of more of benzophenone, thioxanthone, camphorquinone, bisimidazole, aryl diazonium salt, diaryl iodonium salt, triaryl sulfonium salt or aryl ferrocenium salt, the auxiliary agent is one or a combination of more of a pH value stabilizer, an antifoaming agent, a quick drying agent or a slow drying agent, the curing agent is one or a combination of more of an isocyanate resin curing agent, a polyamide resin curing agent, an aromatic amine resin curing agent, an aliphatic amine resin curing agent, an amino resin curing agent or a phenolic resin curing agent, and the antifoaming agent is one or a combination of more of a polyether block type antifoaming agent, an organic silicon type antifoaming agent or a composite antifoaming agent.
As shown in FIG. 1, a method for preparing a highly flexible white hole-plugging ink sequentially comprises the following steps: preparing materials, synthesizing resins, synthesizing copolymers, synthesizing additives, synthesizing color modifiers and synthesizing curing agents;
the specific contents of the material preparation process are as follows: preparing 30-40 parts of modified polyester acrylic resin, 20-25 parts of modified terpene resin, 10-12 parts of polyurethane acrylic oligomer, 20-25 parts of ethylene-vinyl acetate copolymer, 7-8 parts of toluene, 5-8 parts of aluminum powder, 8-10 parts of titanium dioxide, 6-8 parts of pigment, 5-6 parts of photoinitiator, 4-6 parts of auxiliary agent, 7-8 parts of curing agent and 5-8 parts of defoaming agent for later use;
the specific contents of the resin synthesis process are as follows: 30-40 parts of prepared modified polyester acrylic resin and 20-25 parts of prepared modified terpene resin are put into a stirring kettle for stirring, the temperature of the stirring kettle is controlled to be 30-35 ℃, the stirring speed of the stirring kettle is controlled to be 700r/min, the stirring time is controlled to be 5-8min, and the working procedure is completed;
the specific content of the copolymer synthesis procedure is as follows: 10-12 parts of polyurethane acrylic acid oligomer, 20-25 parts of ethylene-vinyl acetate copolymer, 7-8 parts of toluene, 5-8 parts of aluminum powder and 8-10 parts of titanium dioxide are put into a stirring kettle which is already mixed with modified polyester acrylic resin and modified terpene resin, the temperature of the stirring kettle is adjusted to 33-37 ℃, the stirring speed of the stirring kettle is controlled to be 600r/min, the stirring time is controlled to be 8-10min, and the working procedure is completed;
the specific contents of the additive synthesis process are as follows: 5-6 parts of photoinitiator, 4-6 parts of auxiliary agent and 5-8 parts of defoaming agent are added into a stirring kettle which is mixed with modified polyester acrylic resin, modified terpene resin, polyurethane acrylic oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder and titanium dioxide, the temperature of the stirring kettle is adjusted to 25-27 ℃, the stirring speed of the stirring kettle is controlled to be 700r/min, the stirring time is controlled to be 3-4min, and after stirring, the stirred material is filtered by a filter to complete the working procedure;
the specific content of the color modifier synthesis process is as follows: 6-8 parts of pigment is put into a stirring kettle which is already mixed with the modified polyester acrylic resin, the modified terpene resin, the polyurethane acrylic oligomer, the ethylene-vinyl acetate copolymer, the toluene, the aluminum powder, the titanium dioxide, the photoinitiator, the auxiliary agent and the defoamer, the temperature of the stirring kettle is adjusted to 30-32 ℃, the stirring speed of the stirring kettle is controlled to be 800-1000r/min, the stirring time is controlled to be 3-4min, and the working procedure is finished;
the concrete content of the curing agent synthesis process is as follows: and (2) putting 7-8 parts of curing agent into a stirring kettle which is mixed with the modified polyester acrylic resin, the modified terpene resin, the polyurethane acrylic oligomer, the ethylene-vinyl acetate copolymer, the toluene, the aluminum powder, the titanium dioxide, the photoinitiator, the auxiliary agent, the defoaming agent and the pigment, adjusting the temperature of the stirring kettle to 30-32 ℃, controlling the stirring speed of the stirring kettle to be 500r/min and the stirring time to be 8-12min, and finishing the working procedure after adjusting the viscosity.
Wherein, the concrete model of the stirring kettle adopted in the resin synthesis process, the copolymer synthesis process, the additive synthesis process, the color modifier synthesis process and the curing agent synthesis process is a GH-01 stainless steel stirring kettle, and a temperature control device is arranged in the stirring kettle; the specific model of the filter adopted in the additive synthesis procedure is DN50-15 type solid-liquid mixing filter, and the filtering mesh number is controlled to be 5-8 meshes during filtering; the specific value for adjusting the viscosity in the curing agent synthesis process is 15-40 Pas.
Example one
A preparation method of high-flexibility white hole plugging ink sequentially comprises the following steps: preparing materials, synthesizing resins, synthesizing copolymers, synthesizing additives, synthesizing color modifiers and synthesizing curing agents;
the specific contents of the material preparation process are as follows: preparing 30 parts of modified polyester acrylic resin, 20 parts of modified terpene resin, 10 parts of polyurethane acrylic oligomer, 20 parts of ethylene-vinyl acetate copolymer, 7 parts of toluene, 5 parts of aluminum powder, 8 parts of titanium dioxide, 6 parts of pigment, 5 parts of photoinitiator, 4 parts of auxiliary agent, 7 parts of curing agent and 5 parts of defoaming agent for later use;
the specific contents of the resin synthesis process are as follows: placing 30 parts of prepared modified polyester acrylic resin and 20 parts of prepared modified terpene resin into a stirring kettle for stirring, controlling the temperature of the stirring kettle at 30 ℃, controlling the stirring speed of the stirring kettle at 600r/min, and controlling the stirring time at 5min to finish the working procedures;
the specific content of the copolymer synthesis procedure is as follows: 10 parts of polyurethane acrylic oligomer, 20 parts of ethylene-vinyl acetate copolymer, 7 parts of toluene, 5 parts of aluminum powder and 8 parts of titanium dioxide are put into a stirring kettle which is already mixed with modified polyester acrylic resin and modified terpene resin, the temperature of the stirring kettle is adjusted to 33 ℃, the stirring speed of the stirring kettle is controlled to be 500r/min, the stirring time is controlled to be 8min, and the working procedure is completed;
the specific contents of the additive synthesis process are as follows: 5 parts of photoinitiator, 4 parts of auxiliary agent and 5 parts of defoaming agent are added into a stirring kettle which is mixed with modified polyester acrylic resin, modified terpene resin, polyurethane acrylic oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder and titanium dioxide, the temperature of the stirring kettle is adjusted to 25 ℃, the stirring speed of the stirring kettle is controlled to be 500r/min, the stirring time is controlled to be 3min, and after stirring, the stirred material is filtered by a filter to complete the working procedure;
the specific content of the color modifier synthesis process is as follows: putting 6 parts of pigment into a stirring kettle mixed with modified polyester acrylic resin, modified terpene resin, polyurethane acrylic acid oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder, titanium dioxide, photoinitiator, auxiliary agent and defoaming agent, adjusting the temperature of the stirring kettle to 30 ℃, controlling the stirring speed of the stirring kettle at 800r/min, and controlling the stirring time at 3min to finish the working procedure;
the concrete content of the curing agent synthesis process is as follows: and (2) putting 7 parts of a curing agent into a stirring kettle which is mixed with the modified polyester acrylic resin, the modified terpene resin, the polyurethane acrylic oligomer, the ethylene-vinyl acetate copolymer, the toluene, the aluminum powder, the titanium dioxide, the photoinitiator, the auxiliary agent, the defoaming agent and the pigment, adjusting the temperature of the stirring kettle to 30 ℃, controlling the stirring speed of the stirring kettle to be 300r/min, controlling the stirring time to be 8min, and adjusting the viscosity to finish the working procedure.
The white hole plugging ink prepared by the method has the advantages that the modified polyester acrylic resin is used as a main raw material, the modified polyester acrylic resin combines the common characteristics of the acrylic resin and the polyester resin, so that the modified polyester acrylic resin has high flexibility at overheat baking and low temperature, and can be mixed with the modified terpene resin and the polyurethane acrylic oligomer to effectively avoid the conditions of insufficient flexibility caused by high temperature or low temperature, and further, cracking and sinking caused by insufficient flexibility at high temperature or low temperature in use.
Example two
A preparation method of high-flexibility white hole plugging ink sequentially comprises the following steps: preparing materials, synthesizing resins, synthesizing copolymers, synthesizing additives, synthesizing color modifiers and synthesizing curing agents;
the specific contents of the material preparation process are as follows: preparing 35 parts of modified polyester acrylic resin, 22 parts of modified terpene resin, 11 parts of polyurethane acrylic oligomer, 23 parts of ethylene-vinyl acetate copolymer, 7 parts of toluene, 6 parts of aluminum powder, 9 parts of titanium dioxide, 7 parts of pigment, 5 parts of photoinitiator, 5 parts of auxiliary agent, 7 parts of curing agent and 6 parts of defoaming agent for later use;
the specific contents of the resin synthesis process are as follows: putting 35 parts of prepared modified polyester acrylic resin and 22 parts of prepared modified terpene resin into a stirring kettle for stirring, controlling the temperature of the stirring kettle at 35 ℃, controlling the stirring speed of the stirring kettle at 700r/min, and controlling the stirring time at 8min to finish the working procedures;
the specific content of the copolymer synthesis procedure is as follows: putting 11 parts of polyurethane acrylic acid oligomer, 23 parts of ethylene-vinyl acetate copolymer, 7 parts of toluene, 6 parts of aluminum powder and 9 parts of titanium dioxide into a stirring kettle which is already mixed with modified polyester acrylic resin and modified terpene resin, adjusting the temperature of the stirring kettle to 37 ℃, controlling the stirring speed of the stirring kettle to be 600r/min, and controlling the stirring time to be 8min, thus finishing the working procedure;
the specific contents of the additive synthesis process are as follows: 5 parts of photoinitiator, 5 parts of auxiliary agent and 6 parts of defoaming agent are added into a stirring kettle which is mixed with modified polyester acrylic resin, modified terpene resin, polyurethane acrylic oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder and titanium dioxide, the temperature of the stirring kettle is adjusted to 25 ℃, the stirring speed of the stirring kettle is controlled to be 500r/min, the stirring time is controlled to be 4min, and after stirring, the stirred material is filtered by a filter to complete the working procedure;
the specific content of the color modifier synthesis process is as follows: putting 7 parts of pigment into a stirring kettle which is mixed with modified polyester acrylic resin, modified terpene resin, polyurethane acrylic acid oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder, titanium dioxide, photoinitiator, auxiliary agent and defoaming agent, adjusting the temperature of the stirring kettle to 30 ℃, controlling the stirring speed of the stirring kettle at 1000r/min, and controlling the stirring time at 4min to finish the working procedure;
the concrete content of the curing agent synthesis process is as follows: and (2) putting 7 parts of a curing agent into a stirring kettle which is mixed with the modified polyester acrylic resin, the modified terpene resin, the polyurethane acrylic oligomer, the ethylene-vinyl acetate copolymer, the toluene, the aluminum powder, the titanium dioxide, the photoinitiator, the auxiliary agent, the defoaming agent and the pigment, adjusting the temperature of the stirring kettle to 30 ℃, controlling the stirring speed of the stirring kettle to be 300r/min, controlling the stirring time to be 12min, and adjusting the viscosity to finish the working procedure.
The white hole plugging ink prepared by the method has the advantages that the ethylene-vinyl acetate copolymer is used as a secondary raw material, and the hole plugging ink has the characteristic of high flexibility and the characteristic of strippable ink through the reaction of the ethylene-vinyl acetate copolymer, toluene, aluminum powder and titanium dioxide, so that when the ink in the hole plugging needs to be cleaned, other stripping aids are not needed, the work is facilitated, and the economic investment is reduced.
EXAMPLE III
A preparation method of high-flexibility white hole plugging ink sequentially comprises the following steps: preparing materials, synthesizing resins, synthesizing copolymers, synthesizing additives, synthesizing color modifiers and synthesizing curing agents;
the specific contents of the material preparation process are as follows: preparing 40 parts of modified polyester acrylic resin, 25 parts of modified terpene resin, 12 parts of polyurethane acrylic oligomer, 25 parts of ethylene-vinyl acetate copolymer, 8 parts of toluene, 8 parts of aluminum powder, 10 parts of titanium dioxide, 8 parts of pigment, 6 parts of photoinitiator, 6 parts of auxiliary agent, 8 parts of curing agent and 8 parts of defoaming agent for later use;
the specific contents of the resin synthesis process are as follows: putting 40 parts of prepared modified polyester acrylic resin and 25 parts of prepared modified terpene resin into a stirring kettle for stirring, controlling the temperature of the stirring kettle at 35 ℃, controlling the stirring speed of the stirring kettle at 700r/min, and controlling the stirring time at 8min to finish the working procedures;
the specific content of the copolymer synthesis procedure is as follows: putting 12 parts of polyurethane acrylic acid oligomer, 25 parts of ethylene-vinyl acetate copolymer, 8 parts of toluene, 8 parts of aluminum powder and 10 parts of titanium dioxide into a stirring kettle which is already mixed with modified polyester acrylic resin and modified terpene resin, adjusting the temperature of the stirring kettle to 37 ℃, controlling the stirring speed of the stirring kettle to be 600r/min, and controlling the stirring time to be 10min, thus finishing the working procedure;
the specific contents of the additive synthesis process are as follows: 6 parts of photoinitiator, 6 parts of auxiliary agent and 8 parts of defoaming agent are added into a stirring kettle which is mixed with modified polyester acrylic resin, modified terpene resin, polyurethane acrylic oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder and titanium dioxide, the temperature of the stirring kettle is adjusted to 27 ℃, the stirring speed of the stirring kettle is controlled to 700r/min, the stirring time is controlled to 4min, and after stirring, the stirred material is filtered by a filter to complete the working procedure;
the specific content of the color modifier synthesis process is as follows: putting 8 parts of pigment into a stirring kettle mixed with modified polyester acrylic resin, modified terpene resin, polyurethane acrylic acid oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder, titanium dioxide, photoinitiator, auxiliary agent and defoaming agent, adjusting the temperature of the stirring kettle to 32 ℃, controlling the stirring speed of the stirring kettle at 1000r/min, and controlling the stirring time at 4min to finish the working procedure;
the concrete content of the curing agent synthesis process is as follows: and (2) putting 8 parts of curing agent into a stirring kettle which is mixed with the modified polyester acrylic resin, the modified terpene resin, the polyurethane acrylic oligomer, the ethylene-vinyl acetate copolymer, the toluene, the aluminum powder, the titanium dioxide, the photoinitiator, the auxiliary agent, the defoaming agent and the pigment, adjusting the temperature of the stirring kettle to 32 ℃, controlling the stirring speed of the stirring kettle to be 500r/min, controlling the stirring time to be 12min, and adjusting the viscosity to finish the working procedure.
The white hole plugging ink prepared by the method is prepared through the material preparation process, the resin synthesis process, the copolymer synthesis process, the additive synthesis process, the color modifier synthesis process and the curing agent synthesis process, the preparation process is simpler, the preparation time is shorter, the preparation efficiency is effectively improved, and the productivity is increased.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A white hole plugging ink with high flexibility is characterized in that: the high-flexibility white hole plugging ink comprises the following raw materials: modified polyester acrylic resin, modified terpene resin, polyurethane acrylic oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder, titanium dioxide, pigment, photoinitiator, auxiliary agent, curing agent and defoaming agent.
2. A highly flexible white ink for via holes according to claim 1, wherein: the weight parts of the raw materials are as follows: 30-40 parts of modified polyester acrylic resin, 20-25 parts of modified terpene resin, 10-12 parts of polyurethane acrylic oligomer, 20-25 parts of ethylene-vinyl acetate copolymer, 7-8 parts of toluene, 5-8 parts of aluminum powder, 8-10 parts of titanium dioxide, 6-8 parts of pigment, 5-6 parts of photoinitiator, 4-6 parts of auxiliary agent, 7-8 parts of curing agent and 5-8 parts of defoaming agent.
3. A highly flexible white ink for via holes according to claim 2, wherein: the modified polyester acrylic resin is specifically synthesized from polyester resin and acrylic resin by a copolymerization method, and the modified terpene resin is catechol-modified terpene resin.
4. A highly flexible white ink for via holes according to claim 1, wherein: the pigment is specifically one or a combination of more of titanium dioxide, titanium powder, barium sulfate or micro silicon powder, the photoinitiator is specifically one or a combination of more of benzophenone, thioxanthone, camphorquinone, bisimidazole, aryl diazonium salt, diaryl iodonium salt, triaryl sulfonium salt or aryl ferrocenium salt, the auxiliary agent is specifically one or a combination of more of a pH value stabilizer, an antifoaming agent, a quick drying agent or a slow drying agent, the curing agent is specifically one or a combination of more of an isocyanate resin curing agent, a polyamide resin curing agent, an aromatic amine resin curing agent, an aliphatic amine resin curing agent, an amino resin curing agent or a phenolic resin curing agent, and the antifoaming agent is specifically one or a combination of more of a polyether block type antifoaming agent, an organic silicon type antifoaming agent or a composite antifoaming agent.
5. The method for preparing white ink for plugging pores with high flexibility according to claim 1, wherein the method comprises the following steps: the method sequentially comprises the following steps: preparing materials, synthesizing resins, synthesizing copolymers, synthesizing additives, synthesizing color modifiers and synthesizing curing agents;
the specific contents of the material preparation process are as follows: preparing 30-40 parts of modified polyester acrylic resin, 20-25 parts of modified terpene resin, 10-12 parts of polyurethane acrylic oligomer, 20-25 parts of ethylene-vinyl acetate copolymer, 7-8 parts of toluene, 5-8 parts of aluminum powder, 8-10 parts of titanium dioxide, 6-8 parts of pigment, 5-6 parts of photoinitiator, 4-6 parts of auxiliary agent, 7-8 parts of curing agent and 5-8 parts of defoaming agent for later use;
the specific contents of the resin synthesis process are as follows: 30-40 parts of prepared modified polyester acrylic resin and 20-25 parts of prepared modified terpene resin are put into a stirring kettle for stirring, the temperature of the stirring kettle is controlled to be 30-35 ℃, the stirring speed of the stirring kettle is controlled to be 700r/min, the stirring time is controlled to be 5-8min, and the working procedure is completed;
the specific content of the copolymer synthesis procedure is as follows: 10-12 parts of polyurethane acrylic acid oligomer, 20-25 parts of ethylene-vinyl acetate copolymer, 7-8 parts of toluene, 5-8 parts of aluminum powder and 8-10 parts of titanium dioxide are put into a stirring kettle which is already mixed with modified polyester acrylic resin and modified terpene resin, the temperature of the stirring kettle is adjusted to 33-37 ℃, the stirring speed of the stirring kettle is controlled to be 600r/min, the stirring time is controlled to be 8-10min, and the working procedure is completed;
the specific contents of the additive synthesis process are as follows: 5-6 parts of photoinitiator, 4-6 parts of auxiliary agent and 5-8 parts of defoaming agent are added into a stirring kettle which is mixed with modified polyester acrylic resin, modified terpene resin, polyurethane acrylic oligomer, ethylene-vinyl acetate copolymer, toluene, aluminum powder and titanium dioxide, the temperature of the stirring kettle is adjusted to 25-27 ℃, the stirring speed of the stirring kettle is controlled to be 700r/min, the stirring time is controlled to be 3-4min, and after stirring, the stirred material is filtered by a filter to complete the working procedure;
the specific content of the color modifier synthesis process is as follows: 6-8 parts of pigment is put into a stirring kettle which is already mixed with the modified polyester acrylic resin, the modified terpene resin, the polyurethane acrylic oligomer, the ethylene-vinyl acetate copolymer, the toluene, the aluminum powder, the titanium dioxide, the photoinitiator, the auxiliary agent and the defoamer, the temperature of the stirring kettle is adjusted to 30-32 ℃, the stirring speed of the stirring kettle is controlled to be 800-1000r/min, the stirring time is controlled to be 3-4min, and the working procedure is finished;
the concrete content of the curing agent synthesis process is as follows: and (2) putting 7-8 parts of curing agent into a stirring kettle which is mixed with the modified polyester acrylic resin, the modified terpene resin, the polyurethane acrylic oligomer, the ethylene-vinyl acetate copolymer, the toluene, the aluminum powder, the titanium dioxide, the photoinitiator, the auxiliary agent, the defoaming agent and the pigment, adjusting the temperature of the stirring kettle to 30-32 ℃, controlling the stirring speed of the stirring kettle to be 500r/min and the stirring time to be 8-12min, and finishing the working procedure after adjusting the viscosity.
6. The method for preparing white ink for plugging pores with high flexibility according to claim 5, wherein the method comprises the following steps: the concrete model of the stirring kettle adopted in the resin synthesis process, the copolymer synthesis process, the additive synthesis process, the color modifier synthesis process and the curing agent synthesis process is a GH-01 stainless steel stirring kettle, and a temperature control device is arranged in the stirring kettle.
7. The method for preparing white ink for plugging pores with high flexibility according to claim 5, wherein the method comprises the following steps: the specific model of the filter adopted in the additive synthesis procedure is DN50-15 type solid-liquid mixing filter, and the filtering mesh number is controlled to be 5-8 meshes during filtering.
8. The method for preparing white ink for plugging pores with high flexibility according to claim 5, wherein the method comprises the following steps: the specific value of the curing agent in the step of synthesizing the curing agent when the viscosity is adjusted is 15-40 Pas.
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Application publication date: 20220412 |