KSV NIMA LB membrane analysis system

LB Membrane analyzer

one Product Introduction

KSV NIMA It is a sub brand of Sweden Biolin Technology Co., Ltd. Its main business direction is the construction and characterization tools of monolayer films. LB （ Langmuir-Blodgett ）Membrane analyzer is KSV NIMA A independently developed monolayer membrane The preparation and characterization equipment of LB It is a global equipment widely used in the field of film deposition.

LB The film analyzer is equipped with a coating well and a coating head. Under the required bulk density, the coating head can be used to Langmuir When the film is transferred to the solid substrate, the coating well can Langmuir Under the membrane, space is provided for solid samples. take Langmuir When the membrane is transferred to the sample, its density, thickness and uniformity will be preserved, which makes it possible to prepare multi molecular layer structures with different compositions. Compared with other organic thin film deposition technologies, LB The deposition method is little affected by the molecular structure of functional molecules, which means that LB Technology is a bottom-up assembly method.

Regular LB The membrane analyzer includes three types of tanks: Small, medium, large 。

two working principle

Located in gas - Liquid or liquid - The single molecular layer formed by insoluble functional molecules, nanoparticles, nanowires or particles at the liquid interface can be defined as Langmuir Membrane. These molecules can move freely at the interface, have strong fluidity, and are easy to control their stacking density to study the behavior of the monolayer. Depositing the material on the water subfacies in the shallow pool (called top trough) can obtain Langmuir Membrane. Under the action of sliding barrier, the monolayer can be compressed. The surface pressure, i.e. bulk density, can be determined by Langmuir The pressure sensor of the membrane analyzer is used for control.

In the typical isothermal compression test, the monolayer first starts from the two-dimensional gas phase (G) Transition to liquid phase (L) *And then form ordered solid phase (S) 。 In the gas phase, the intermolecular interaction is relatively weak; When the surface area decreases, the intermolecular packing becomes more compact, and the interaction begins; In the solid phase, the stacking of molecules is ordered, resulting in a rapid increase in surface pressure. When the surface pressure reaches the value of collapse point, the stacking of monolayer is no longer controllable.

LB The film deposition process is to pull the sample vertically from the monolayer (Fig 2a ）Multiple layers can be prepared by repeated deposition technology LB Membrane (Fig 2b ）Hydrophilic and hydrophobic samples can be deposited as monolayer in liquid or gas phase.

chart 2 (a). LB Sketch map of sedimentation process; (b). Preparation of multilayer monolayers

three technical parameter

3.1 Small LB membrane analyzer (KN2001)

one       Tank material: solid sintering, no holes PTFE Material, fast limit hole fixed, removable for cleaning or replacement with a variety of other functional tanks, including bilateral diversion channels, built-in water bath system interface
two       Box properties: 33 mm Tank height adjustment, including safety limit switch, mixing pH Measurement, sample injection auxiliary system and other interfaces
three       System design: modular design, independent surface pressure measurement and coating experiment, in-situ surface infrared, surface potential, Brewster angle image, interface shear and other tests
four       Tank surface area: 98 cm ^two
five       Internal dimensions of tank body: 195 x 50 x 4 mm (long x wide x High)
six       Speed of sliding barrier : 0.1-270 mm/min
seven       Speed accuracy of sliding barrier : 0.1  mm/min
eight       Measurement range: 0-150 mN/m
nine       Balance load : 1 g , three-dimensional
10.  Balance positioning adjustment: 360° x 110mm x 45 mm （ XYZ ）
11.  Sensing accuracy : 4 μN/m
12.  Surface pressure test elements: standard Wilhelmy Platinum plate, W19.62 x H 10mm , according to EN 14370:2004 Standards. Other options: Wilhelmy Platinum plate（ W10 x H10 mm ）, liquid / liquid Wilhelmy Platinum plate（ W19.62 x H7 mm ）、 Wilhelmy Cardboard, platinum bar
13.  Langmuir Sub phase volume of test tank: 39 ml
14.  Langmuir-Blodgett Sub phase volume of test tank: 57 ml
15.  Coating well size: 20 x30 x 30 mm (long x wide x High)
16.  Substrate size: 3 x 26 x26 mm or one inch
17.  Coating stroke: 80 mm
18.  Coating speed: zero point one – 108 mm/min
19.  Power Supply: 100...240 VAC
20.  Frequency: 50...60 Hz

three point two medium-sized LB Membrane analyzer（ KN2002 ）

1.  Tank material: solid sintering, no holes PTFE Material, fast limit hole fixed, removable for cleaning or replacement with a variety of other functional tanks, including bilateral diversion channels, built-in water bath system interface
two   Box properties: 33 mm Tank height adjustment, balance can XYZ Three dimensional positioning adjustment, including safety limit switch, mixing pH Measurement, sample injection auxiliary system and other interfaces
three   System design: modular design, independent surface pressure measurement and coating experiment, in-situ surface infrared, surface potential, Brewster angle image, interface shear and other tests
four   Tank body Surface area: 273 cm ^two
five   Internal dimensions of tank body: 364 x 75 x 4 mm (long x wide x High)
six   Speed of sliding barrier : 0.1-270 mm/min
seven   Speed accuracy of sliding barrier : 0.1  mm/min
eight   measure Range: 0-150 mN/m
nine   Balance load : 1 g
10.  Balance positioning adjustment ： 360° x 110mm x 45 mm （ XYZ ）
11.  Sensing accuracy : 4 μ N/m
12.  Surface pressure test elements: standard Wilhelmy Platinum plate, W19.62 x H 10mm , according to EN 14370:2004 Standards. Other options: Wilhelmy Platinum plate（ W10 x H10 mm ）, liquid / liquid Wilhelmy Platinum plate（ W19.62 x H7 mm ）、 Wilhelmy Cardboard, platinum bar
13.  Langmuir Sub phase volume of test tank: 109 ml
14.  Langmuir-Blodgett Sub phase volume of test tank: 176 ml
15.  Coated well size ： 20 x56 x 60 mm (long x wide x High)
16.  Substrate size: 3 x 52 x56 mm or two inch
17.  Coating stroke: 80 mm
18.  Coating speed: zero point one – 108 mm/min
19.  Power Supply: 100...240 VAC
20.  Frequency: 50...60 Hz

three point three large LB Membrane analyzer（ KN2003 ）

one Tank material: solid sintering, no holes PTFE Material, fast limit hole fixed, removable for cleaning or replacement with a variety of other functional tanks, including bilateral diversion channels, built-in water bath system interface
two Box properties: 33 mm Tank height adjustment, balance can XYZ Three dimensional positioning adjustment, including safety limit switch, mixing pH Measurement, sample injection auxiliary system, etc
three System design: modular design, independent surface pressure measurement and coating experiment, in-situ surface infrared, surface potential, Brewster angle image, interface shear and other tests
four Tank surface area: 841 cm ^two
five Internal dimensions of tank body: 580 x 145 x 4 mm (long x wide x High)
six Speed of sliding barrier : 0.1-270 mm/min
seven Speed accuracy of sliding barrier : 0.1  mm/min
eight Measurement range: 0-150 mN/m
nine Balance load : 1 g
10.  Balance positioning adjustment ： 360° x 110mm x 45 mm （ XYZ ）
11.  Sensing accuracy : 4 μN/m
12.  Surface pressure test elements: standard Wilhelmy Platinum plate, W19.62 x H 10mm , according to EN 14370:2004 Standards. Other options: Wilhelmy Platinum plate（ W10 x H10 mm ）, liquid / liquid Wilhelmy Platinum plate（ W19.62 x H7 mm ）、 Wilhelmy Cardboard, platinum bar
13.  Langmuir Sub phase volume of test tank: 336 ml
14.  Langmuir-Blodgett Sub phase volume of test tank: 578 ml
15.  Coating well size: 20 x110 x 110 mm (long x wide x High)
16.  Substrate size: 3 x 106 x106 mm or four inch
17.  Coating stroke: 80 mm
18.  Coating speed: zero point one – 108 mm/min
19.  Power Supply: 100...240 VAC
20.  Frequency: 50...60 Hz

four Product advantages and highlights

four point one Product advantages

one An ultra sensitive surface tension sensor designed for extremely accurate testing. Platinum metal plate, platinum metal rod and cardboard can be used as probes to meet different requirements.
two   The open design facilitates the placement of the tank on the frame and the rapid replacement of different tanks, as well as the cleaning of the tank surface.
3.  When it is necessary to clean or replace the tank body, the removal of the tank body on the frame / It is extremely convenient to place.
4.  Langmuir-Blodgett The tank body is composed of Easy to clean, reliable and durable block Made of pure polytetrafluoroethylene, its unique design can prevent leakage of tank body and coating well, and avoid potential pollution caused by glue and other packaging materials.
5.  The sliding barrier is composed of hydrophilic Dieerlin polyformaldehyde resin can improve the stability of the monolayer. Hydrophobic PTFE compression sliding blocks can be provided according to customer needs. The robust metal frame can prevent the sliding barrier from deforming over time.
six   Symmetrical sliding barrier compression is the standard uniform compression method, but arbitrary instrument It can realize single sliding barrier compression.
seven   The coating well in the middle is beneficial to the monolayer LB Sedimentary uniformity.
eight   The aluminum baseplate is heated by an external circulating water bath / Cooling to control the temperature of the sub phase (water bath is sold separately).
nine   The tank level can be quickly and accurately calibrated by adjusting the frame legs. When the microscope needs to be placed, the frame legs can also be easily removed from the tank body.

four point two Product highlights

4.2.1 Hyphenated or correlated analytical techniques
This product can Interface infrared reflection absorption spectrometer (PM-IRRAS) Brewster angle microscope (BAM) ， Interfacial shear rheometer（ ISR ）， Fluorescence microscope, X X-ray and other optical characterization techniques or subsequent analysis of samples. For example:

one   Infrared reflection absorption spectrum (KSV NIMA PM-IRRAS)
two   Quartz crystal microbalance (Q-Sense QCM-D)
three   Surface plasmon resonance instrument
four   Conductivity meter
five   Ultraviolet visible absorption spectrometer
six   atomic force microscope
seven   X Ray reflector
eight   transmission electron microscope
nine   Ellipsometer
10.  X X-ray photoelectron spectrometer, etc

4.2.2 The company can provide joint use instrument brief introduction

one       Interface infrared reflection absorption spectrometer （ PM-IRRAS ）
The interface infrared reflectance absorption spectrometer with polarization module is mainly used to determine the molecular orientation and chemical composition.

two       Brewster angle microscope（ BAM ）
Single molecular layer imaging and optical observation of film homogeneity, phase behavior and morphology can be carried out.

three       Surface potential measuring instrument（ SPOT ）
Nondestructive oscillating plate capacitor technology is used to monitor the potential change of the film, so as to characterize the electrical properties of the monolayer. It can provide information such as bulk density and orientation Langmuir The isothermal test is supplemented.

four       Interfacial shear rheometer（ ISR ）
This unique shear rheometer can measure the viscoelasticity at the interface. Applicable to gas - Fluid or oil - The study of water can analyze viscoelasticity while controlling the surface pressure.

five Product application

five point one Scope of application

Interaction between biomembranes and biomolecules
Cell membrane model (such as interaction between protein and ion)
Conformational changes and reactions
Drug delivery and behavior

Organic and inorganic coatings
Functional materials with optical, electrical and structural properties
New paint : Nanotubes, nanowires, graphene, etc

surface reaction
polymerization
Immune reaction, enzyme - Substrate reaction
Biosensors, surface fixed catalysts
Surface adsorption and desorption

Surfactants and colloids
Formula science
Colloidal stability
Emulsification, dispersion, foam stability

Rheology of film
Dilatational rheology
Interfacial shear rheology (vs KSV NIMA ISR Linked)

five point two Results published by customers (partial)

one       Q. Guo et al., J. Am. Chem. Soc. 2003, 125, 630-631. (IF= 11.444)
two       Kumaki et al., Macromolecules 1988, 21, 749-755. (IF= 5.927)
three       S. Sheiko et al., Nature Materials 2013, 12, 735-740. (IF= 36.4)
four       Q. Zheng et al., ACS Nano 2011, 5(7), 6039–6051. (IF= 12.033)
five       Azin Fahimi et al., CARBON 2013, 64, 435 – 443. (IF=6.16)
six       Xiluan Wang et al., J. Am. Chem. Soc. 2011, 133, 6338–6342 . (IF= 11.444)
seven       Zhiyuan Zeng et al. Adv. Mater. 2012, 24, 4138–4142. (IF= 15.409)

six contact information

Sweden Biolin Technology Co., Ltd. Shanghai Representative Office

Address: Shangcheng Road, Shanghai eight hundred Smik Building one thousand one hundred and twenty-five room

Postal code: two hundred thousand one hundred and twenty

Telephone: +86 21 68370071/68370072

Fax: +86 21 68370073

Note: The relevant information is subject to change without notice. Sweden Biolin Technology Co., Ltd. is exempt from liability for possible errors in the information. For more information, please call us.

Founded in 1984, Sweden Biolin Technology Co., Ltd. is mainly engaged in high-tech precision analysis based on advanced testing technology instrument Research, development and production. The company is headquartered in Gothenburg, Sweden, and has branches in Sweden, Finland, the United States, the United Kingdom and China. Since 1998, the company has been listed on the Nasdaq OMX small enterprise stock market in Stockholm, Sweden. At present, the company's annual revenue exceeds 10 million euros, and the average growth rate of annual net sales exceeds 70%.
Sweden Biolin Technology Co., Ltd. has QSense, KSV Nima, Attention and other brands. Its main products are dissipative quartz crystal microbalance based on QCM-D patented technology, LB film analyzer, immersion film former, surface/interface tension meter, optical contact angle meter, surface plasma resonance meter, surface rheology tester, surface infrared tester, etc.

Sweden Biolin Technology Co., Ltd. has nearly 200 employees, of which 20% have doctoral degrees, and more than 50% have master's degrees or equivalent university degrees. The company's products are sold to global markets including China, and its users include first-class universities, research institutions and the world's most famous products and engineering companies. Users in China include Peking University, Tsinghua University, Fudan University, Nanjing University, Zhejiang, Chinese Academy of Sciences, Daqing Oilfield, PetroChina, China Electronics Corporation and other research institutions and large enterprises.