CN105802007B - A kind of suction nozzle silication preparation process - Google Patents
A kind of suction nozzle silication preparation process Download PDFInfo
- Publication number
- CN105802007B CN105802007B CN201510651051.5A CN201510651051A CN105802007B CN 105802007 B CN105802007 B CN 105802007B CN 201510651051 A CN201510651051 A CN 201510651051A CN 105802007 B CN105802007 B CN 105802007B
- Authority
- CN
- China
- Prior art keywords
- master batch
- suction nozzle
- silicone master
- acrylic resin
- silicone oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229920002545 silicone oil Polymers 0.000 claims abstract description 14
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 11
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000470 constituent Substances 0.000 claims abstract description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 abstract description 24
- 239000004594 Masterbatch (MB) Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 12
- 239000002904 solvent Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of suction nozzle silication preparation processes, comprising the following steps: 1) acrylic resin, silicone master batch ratio are 98.5:1.5；2) acrylic resin and silicone master batch are prepared as 100~300 mesh powders first respectively, and are dried, is stirred, mixes powder constituents uniformly；3) ready raw material is put into injection molding machine, opens simultaneously water tower, power switch and board power switch, makes expects pipe heating and temperature control at 240-260 DEG C；4) injection molding machine host is opened, air pump, pressure 6MPa are opened；5) it destatics and is handled 1 minute under ion wind gun；6) then mounted box is cased.The technique silicone master batch is the solid bodies of organic silicone oil, and silicone master batch is directly added into plastic grain in suction nozzle production process, easy to operate reliable；Silicone master batch ratio is high, influences the transparency of product, silicone master batch ratio is low, and silicidation effect is not achieved, influences product quality.
Description
Technical field
The present invention relates to suction nozzle preparation process fields, are concretely related to a kind of suction nozzle silication preparation process.
Background technique
Suction nozzle is that life science and biological medicine etc. be emerging, biology consumptive material used in high-tech area.Suction nozzle, as rifle
Bullet, be the indispensable accessory of pipettor.It is well known that the accuracy and accuracy of liquid relief are not only to suction nozzle and pipettor
Whether matching requires, it is also necessary to be suitble to the suction nozzle of liquid.And the adsorption capacity and its surface tension on liquid and suction nozzle surface at
The more bigger easier absorption of negative correlation, i.e. tension, tension is smaller to be more not easy to adsorb, and low adsorption suction nozzle can substantially reduce the suction of liquid
It is attached, to be obviously improved the accuracy of pipetting.Especially have when pipetting the liquid containing detergent than common suction nozzle bright
Aobvious advantage can greatly reduce the liquid residue after liquid relief in suction nozzle.Foreign study shows when the common suction nozzle liquid-taken amount of use
When less than 2ml, because sample loss is average more than 20% caused by wall built-up, especially when reagent (such as enzyme for taking high viscosity
Preparation etc.) when, sample loss amount can be bigger.
So the quality of suction nozzle has a great impact to the precision of liquid relief, importance is simultaneously no less than pipettor.Suction nozzle warp
Sufficient surface siliconization processing, suction nozzle wall significantly reduce the adsorptivity of liquid and sample, and liquid wall built-up amount is made to dramatically increase reality
The accuracy tested reduces meaningless liquid relief fault and experiment and repeats, accelerates the process of experiment, improve the efficiency of integral laboratory,
Reduce laboratory cost.
Currently, domestic to suction nozzle silicidation technique is dissolved in organic silicone oil in the volatile solvent of one kind, formed
Then suction nozzle is immersed in a period of time in this solvent again, suction nozzle surface is allowed to attach one layer of solution by the weak solution of organic silicone oil,
Dry a period of time, after the solvent in solution is evaporated completely, one layer of very thin organic silicone oil, shape are just left in the inner surface of suction nozzle
Poling is smooth surface.The treatment process has the disadvantage that 1, treatment process is cumbersome, time-consuming and laborious, is not suitable for the big of suction nozzle
Large-scale production；2, treatment liquid is possible to remain in suction nozzle surface, may pollute biological sample in suction nozzle use process；3,
Solvent used in treatment process may pollute the environment.
Summary of the invention
The present invention provides a kind of suction nozzle silication preparation work to solve the problems of the above-mentioned prior art and deficiency
Skill, the silicone master batch in the preparation process are the solid bodies of organic silicone oil, have identical silicidation effect with organic silicone oil, are inhaling
Silicone master batch is directly added into plastic grain during first-born production, it is easy to operate reliable.
The technical scheme of the present invention is realized as follows: a kind of suction nozzle silication preparation process, comprising the following steps: 1) prepare
Raw material: according to weight percent, weighing the following raw material component: acrylic resin, silicone master batch, and wherein plastic grain and silicone are female
Grain ratio is 98.5:1.5；
2) component mixes:
First by the acrylic resin and silicone master batch in said components, it is prepared as the powder of 100~300 mesh respectively, and
It is dried, proportionally weighs acrylic resin, silicone master batch is added, is stirred, mixes powder constituents uniformly；
3) ready raw material is put into injection molding machine, opens simultaneously water tower, power switch and board power switch, makes expects pipe
Heating and temperature control is at 240 DEG C -260 DEG C；
4) injection molding machine host is opened, air pump, pressure 6MPa are opened；It is operated by steps are as follows: closing front and back safety
--- --- --- --- --- melten gel --- seat stand advance --- is semi-automatic full-automatic for injection for melten gel for mode locking for starter motor for door；
5) product that step 4) is molded by is handled 1 minute in the case where destaticing ion wind gun；
6) automatic mounted box is carried out with platoon automatic assembling machine, then cased.
Preferably, heating and temperature control is at 250 DEG C in the step 3).
It is and organic using above-mentioned technical proposal the invention has the advantages that silicone master batch is the solid bodies of organic silicone oil
Silicone oil has identical silicidation effect, and silicone master batch is directly added into plastic grain in suction nozzle production process, easy to operate
Reliably；Wherein silicone master batch ratio is high, influences the transparency of product, silicone master batch ratio is low, and silicidation effect, shadow is not achieved
Ring product quality.
Specific embodiment
A specific embodiment of the invention is as follows:
A kind of embodiment 1: suction nozzle silication preparation process, comprising the following steps:
1) it prepares raw material: according to weight percent, weighing the following raw material component:
Acrylic resin, silicone master batch, wherein plastic grain and silicone master batch ratio are 98.5:1.5；
2) component mixes:
First by the acrylic resin and silicone master batch in said components, it is prepared as the powder of 100~300 mesh respectively and does
Dry processing proportionally weighs acrylic resin, and silicone master batch is added, is stirred, and makes powder point uniformly mixing；
3) ready raw material is put into injection molding machine, opens simultaneously water tower, power switch and board power switch, makes expects pipe
Heating and temperature control is at 240 DEG C -260 DEG C；
4) injection molding machine host is opened, air pump, pressure 6MPa are opened；It is operated by steps are as follows: closing front and back safety
--- --- --- --- --- melten gel --- seat stand advance --- is semi-automatic full-automatic for injection for melten gel for mode locking for starter motor for door；
5) product that step 4) is molded by is handled 1 minute in the case where destaticing ion wind gun；
6) automatic mounted box is carried out with platoon automatic assembling machine, then cased.
Silicone master batch in above-mentioned preparation method is the solid bodies of organic silicone oil, has identical silicidation to imitate with organic silicone oil
Silicone master batch is directly added into plastic grain by fruit in suction nozzle production process, easy to operate reliable, is suitble to the extensive of suction nozzle
Metaplasia produces；Wherein silicone master batch ratio is high, influences the transparency of product, and silicone master batch ratio is low, and silicidation effect is not achieved,
Influence product quality.
Claims (2)
1. a kind of suction nozzle silication preparation process, which comprises the following steps:
1) it prepares raw material: according to weight percent, weighing the following raw material component:
Acrylic resin, organic silicone oil, wherein plastic grain and organic silicone oil ratio are 98.5:1.5；
2) component mixes:
First by the acrylic resin and organic silicone oil in said components, it is prepared as the powder of 100~300 mesh respectively, and dry
Processing proportionally weighs acrylic resin, and organic silicone oil is added, is stirred, mixes powder constituents uniformly；
3) ready raw material is put into injection molding machine, opens simultaneously water tower, power switch and board power switch, heats expects pipe
Temperature is controlled at 240 DEG C -260 DEG C；
4) injection molding machine host is opened, air pump, pressure 6MPa are opened；
5) product that step 4) is molded by is handled 1 minute in the case where destaticing ion wind gun；
6) automatic mounted box is carried out with platoon automatic assembling machine, then cased.
2. a kind of suction nozzle silication preparation process according to claim 1, it is characterised in that: heating temperature in the step 3)
Control is at 250 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510651051.5A CN105802007B (en) | 2015-10-10 | 2015-10-10 | A kind of suction nozzle silication preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510651051.5A CN105802007B (en) | 2015-10-10 | 2015-10-10 | A kind of suction nozzle silication preparation process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105802007A CN105802007A (en) | 2016-07-27 |
| CN105802007B true CN105802007B (en) | 2019-05-07 |
Family
ID=56466215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510651051.5A Active CN105802007B (en) | 2015-10-10 | 2015-10-10 | A kind of suction nozzle silication preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105802007B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115165521A (en) * | 2022-07-05 | 2022-10-11 | 珠海市墨库新材料有限公司 | Dilution device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202162007U (en) * | 2011-07-20 | 2012-03-14 | 安徽农业大学 | Suction end of liquid back-sucking prevention pipettor |
| CN203663857U (en) * | 2013-10-28 | 2014-06-25 | 浙江立博生物技术有限公司 | Tip |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5129729B2 (en) * | 2008-02-08 | 2013-01-30 | 富士フイルム株式会社 | Pipette tip |
| US9365710B2 (en) * | 2011-12-22 | 2016-06-14 | Fina Technology, Inc. | Polypropylene with low fluid retention |
-
2015
- 2015-10-10 CN CN201510651051.5A patent/CN105802007B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202162007U (en) * | 2011-07-20 | 2012-03-14 | 安徽农业大学 | Suction end of liquid back-sucking prevention pipettor |
| CN203663857U (en) * | 2013-10-28 | 2014-06-25 | 浙江立博生物技术有限公司 | Tip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105802007A (en) | 2016-07-27 |
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Address after: Room 102, building 7, wanshili Science Park, 619 WangMei Road, Linping street, Yuhang District, Hangzhou City, Zhejiang Province, 314500 Patentee after: ZHEJIANG LIBO BIOTECHNOLOGY Co.,Ltd. Address before: 314500 Desheng Road, industrial zone, Heshan Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG LIBO BIOTECHNOLOGY Co.,Ltd. |