adhesive film cellular core adhesive network perforating Prior art date 2008-09-05 Application number PCT/US2008/075336 Other languages French (fr) Inventor Dan Reller Paul Oldroyd Original Assignee Bell Helicopter Textron Inc. Name the layers from top to bottom on double emulsion film. The radiographic image is located within the _____ of the radiographic film. A process for reticulation of the adhesive is applied and studied. LOCTITE EA 9658 AERO is a modified epoxy film adhesive with high temperature strength and long-term thermal durability. FM® 450-1 film adhesive is a high performance BMI adhesive for bonding both composite and metallic structures. PRODUCT SIZE WT. The bond will be permanent 3-5 days after . A unique advantage is the controlled flow, which enables it to perform well in reticulated sound suppression nacelle structures. 3M™ Scotch-Weld™ Structural Adhesive Film AF 3109-2K encompasses a family of thermosetting modified epoxy adhesives in film form that provides long-term durability and meets specific challenges for metal and composite solid panel and honeycomb sandwich construction, where high fracture toughness and peel strength is required. Introduction 3M™ Scotch-Weld™ Structural Adhesive EC-3710 Clear is a modification of 3M™ Scotch-Weld™ Structural Adhesive Film AF 191 in solution form. film adhesive thickness is studied. It offers the following advantages: • Unique toughening system. Adhesive: Epoxy; Backing / Carrier: Cloth - Felt / Non-woven Structural Adhesive Films come in a variety of weights and thicknesses, minimizing the weight while maintaining the structural integrity. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) FILM COLOR UPC AF 555U 36 in x 50 yds.03 Orange 048011 53227 1.035 Orange 048011 53168 7.05 Orange 048011 53224 0 .08 Orange 048011 53269 1 AF 555K 36 in x 50 yds.05 Orange 048011 53270 7 Minimum of 90 days out-time at ambient conditions. First, the adhesive film was placed onto the top side of the honeycomb core and manually perforated in the center of each honeycomb cell using a ∼1 mm diameter needle. It is designed for co-cure, co-bond or secondary bonding applications. Manufactured panels are evaluated for flatwise tensile strength in accordance with test method ASTM C297. FM 385 is designed for co-cure, co-bond or secondary bonding applications and is compatible with most 350°F . Cellulose nitrate (flammable) . A quantitative investigation of the adhesive fillet geometry is carried out for all the panels. It offers outstanding performance in a temperature range of 67 to 300°F ( 55 to 149°C). A process for reticulation of the adhesive is applied and studied. It provides a unique combination of high Tg, toughness, and flatwise tensile properties. US6736181B2 US10/255,910 US25591002A US6736181B2 US 6736181 B2 US6736181 B2 US 6736181B2 US 25591002 A US25591002 A US 25591002A US 6736181 B2 US6736181 B2 US 6736181B2 Authority US United States Prior art keywords film adhesive panel reticulation core perforated panel Prior art date 2002-09-26 Legal status (The legal status is an assumption and is not a legal conclusion. It offers the following advantages: • Unique toughening system. • Film adhesive available as unsupported or supported versions • Increased open time assembly / handling performance • Adhesive cure 350 °F / 177 °C • High glass transition temperature (Tg) performance • Excellent flow control to minimize hole blockage & excess flash / flow • Reticulation capability • Increased toughness with high Unsupported version available for reticulation. Film adhesive can be cured from 300. when different adhesive systems are used; for comparison, a 2C polyurethane and a 2C epoxy resin are shown as well. A 350°F (177°C) curing structural adhesive film designed for metal and composite bonding. Reticulated polyurethane foam is a versatile, open-cell material that is light weight, low odor and highly resistant to mildew. These adhesive films are available in a variety of weights and carriers to meet a range of needs without imposing excess material costs. FPF is a three layers laminate, the PET film giving the product mechanical and dielectric features, while the special non woven is giving the thermal resistance and, especially . Active, expires 2029-04-29 Application number US13/060,289 Other versions . Latent image formation. Our 3M™ Scotch-Weld™ Structural Adhesive Film AF 3109-2 encompasses a family of thermosetting modified epoxy adhesives in film form that provides long-term durability and meets specific challenges for metal and composite solid panel and honeycomb sandwich construction, where high fracture toughness and peel strength is required. Structural Adhesive Film AF 555 Key Features Available Constructions: Technical Data Sheet October 2007 3M™ Scotch-Weld™ Structural Adhesive Film AF 555 is a thermosetting, modi˜ed epoxy adhesive ˜lm. The films are available in supported versions, which are typically used for monolithic bonding or honeycomb sandwich. Once completely dry, the adhesive film will be glossy and transparent. Both aluminum and aramid Nomex® honeycomb core materials are considered to study the effect of core cell size and core material. this forms the dark areas on the film. List of Adhesive Cloth Tapes Product Specs, Datasheets, Manufacturers & Suppliers It has excellent resistance to pre-bond and post-bond humidity and has a dry service . A quantitative investigation of the adhesive fillet geometry is carried out for all the panels. Film adhesives are offered in defined areal weights in roll or sheet form. Advanced level: LOCTITE film adhesives Our broad portfolio of film adhesives includes advanced technologies to address . Fig. A quantitative investigation of the adhesive fillet geometry is carried out for . It was designed for bonding of composites in conjunction with honeycomb or in a monolithic structure. The effect of film adhesive thickness is studied. 3M™ Scotch-Weld™ Structural Adhesive Film AF 191XS offers a lightweight conductive screen for lightning strike/composite surfacing, differentiating it from the AF 191. They are also available in unsupported form for reticulation onto honeycomb. facesheet and a single layer of film adhesive (unsupported) were co-cured over Nomex core (6.35 mm cells). 3M™ Scotch-Weld™ Structural Adhesive Film AF 191XS is a thermosetting modified epoxy adhesive in film form that provides long-term durability and meets specific challenges for metal and composite solid panel. Noise abatement within turbofan engines is a key driver for airport regulatory compliance and passenger comfort. (cross head speed) The formula's specific structure is such that it results in significant acceleration of its crystallization and self-reticulation properties by simply heating to a temperature of around 70°C (minimum temperature for the adhesive film once fully dried). These additives modify the polymer by forming crosslinks (bridges) between . rise rate Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960 Metal: 2024 T-3 Clad aluminum .020" to .040" FPL etched Peel Rate: 3"/min. Minimum of 90 days out-time at ambient conditions. Structural Adhesive Films come in a variety of weights and thicknesses, minimizing the weight while maintaining the structural integrity. The unsupported film adhesive can be easily reticulated onto perforated skins or honeycomb for acoustic applications. Heavy ink coverage. FM 450-1 has excellent resistance to pre-bond and post . Differential scanning calorimetry, dielectric analysis, and infrared spectroscopy were used to study the changes which occur at room temperature in an epoxy film adhesive cured, in part, with . 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2 is a thermally expanding films for gap filling. Reactivate the parts using flash equipment at a temperature between 70 and 75°C (minimum temperature for the adhesive film), then put together and press with force for sufficient time to allow partial drying of the adhesive. Vulcanization: Vulcanization is a chemical process to convert natural rubber or related polymers into more durable materials by heating them with sulfur (Peroxide, Metal Oxides, Acetoxysilane, Epoxide) or other equivalent healers or accelerators. Drying Slow drying of coatings causes the obvious problem of set-off and sticking in the stack, as well as slower press speeds and inefficient print runs. Our 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2 encompasses a family of thermosetting modified epoxy adhesives in film form that provides long-term durability and meets specific challenges for metal and composite solid panel and honeycomb sandwich construction, where high fracture toughness and peel strength is required. Structural Adhesive Film AF 191 Introduction 3M™ Scotch-Weld™ Structural Adhesive Film AF 191 is a thermosetting, modified epoxy designed for bonding composites, metal to metal and metal to honeycomb components where high strength and peel at 350°F (177°C) is required. Adhesive Film Reticulation . Structural Adhesive Films come in a variety of weights and thicknesses, minimizing the weight while maintaining the structural integrity. These additives modify the polymer by forming crosslinks (bridges) between . Liner Side Adhesive. FM 450-1 has excellent resistance to pre-bond and post . Optimized combinations of core material, core FM® 450-1 film adhesive is a high performance BMI adhesive for bonding both composite and metallic structures. Most commonly used film. A adhesive sheet or film placed in contact with a surface network formed by the edges of the cell walls of a honeycomb core panel is reticulated and conformed to the shape of the surface network to form a bead of adhesive on the surface network and the contiguous portions of the cell walls without depositing excess adhesive onto the interior cell walls. Excellent pre-bond humidity performance on composite substrates. Excellent pre-bond humidity performance on composite substrates. Optimized combinations of . 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2 encompasses a family of thermosetting modified epoxy adhesives in film form that provides long-term durability and meets specific challenges for metal and composite solid panel and honeycomb sandwich construction, where high fracture toughness and peel strength is required. Reticulation. The effect of film adhesive thickness is studied. This 177C (350F) cure system is aimed at the highly demanding aerospace nacelle bonding applications. The adhesive was reticulated (selectively dewetted onto core walls by perforation and local heating) prior to co-cure, to enable observation of prepreg surfaces. It provides a unique combination of high Tg good toughness and very high flatwise tensile properties. The cure cycle consisted of a one- 3M™ Scotch-Weld™ Structural Adhesive Film AF 191 encompasses a family of thermosetting modified epoxy adhesives in film form that provide long-term durability and meet specific challenges for metal and composite solid panel and honeycomb sandwich construction, where high fracture toughness and peel strength is required. FM®450-1 film adhesive can be cured at 375°F (191°C) followed by a freestanding post cure at 440°F (227°C) or by following the BMI prepreg cure cycle. Such tower-like TENG (T-TENG) consists of multiple units made of polytetrafluoroethylene balls and three-dimensional printed arc surface coated with melt adhesive reticulation nylon film. It is designed for co-cure, co-bond or secondary bonding applications. The films are available in supported versions, which are typically used for monolithic bonding or honeycomb sandwich. Polyken Single-Coated Medical Non-Woven Tape -- 2328F from Berry Plastics Corporation - Engineered Materials Division. The films are available in supported versions, which are typically used for monolithic bonding or honeycomb sandwich. Scotch-Weld AF 555 Film can be co-cured, Scotch-Weld AF 191 Films delivers years of . 3M Center, Building 223-1-N-14 St. Paul, MN 55144-1000 USA Phone: (651) 737-6501 (800) 235-2376 They are also available in unsupported form for reticulation onto honeycomb. The power generation model coupled with the kinetic model for the T-TENG is proposed and discussed. . There are a couple of steps to applying a Signite graphic and so Actega has developed an applicator device that can take the printed roll and transfer the graphics to a bottle in a single process. Film adhesive can be cured from 300. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) It provides excellent performance with easy-to-use shop handling properties. AF 555U 36 in x 50 yds.03 Orange 048011 53227 1.035 Orange 048011 53168 7.05 Orange 048011 53224 0 .08 Orange 048011 53269 1 AF 555K 36 in x 50 yds.05 Orange 048011 53270 7 Carignano explains: "The process relies on pressure during transfer. Subtraction. Description: FM® 385 adhesive film was developed specifically for bonding composite and metallic structures for nacelle applications. Minimum of 90 days out-time at ambient conditions. Our 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2 encompasses a family of thermosetting modified epoxy adhesives in film form that provides . Our 3M™ Scotch-Weld™ Structural Adhesive Film AF 32 is a yellow colored adhesive film that provides long-term durability and meets specific challenges for metal-to-metal bonded structures. Description: Structural adhesive film with long-term durability on honeycomb and metal-to-metal components. Reticulation. They are also available in unsupported form for reticulation onto honeycomb. This film can also be utilized for composite surfacing to create a smooth appearance. • Reticulation process of the adhesive. Ready to Fly 3M™ Scotch Weld™ Structural Adhesive Film AF 147 is a thermosetting, modified epoxy film adhesive designed for bonding of honeycomb and metal to metal components where high strengths at 300°F (149°C) are required. • Film adhesive available as unsupported or supported versions • Increased open time assembly/ handling performance • Adhesive cure 350 °F/ 177 °C • High glass transition temperature (Tg) performance • Excellent flow control to minimize hole blockage & excess flash/ flow • Reticulation capability Structural adhesive film with long-term durability on honeycomb and metal-to-metal components. • Film adhesive can be cured from 300°F (150°C) up to 355°F (180°C). Backing Material: Felt; Adhesive: Epoxy Structural adhesive film with long-term durability on honeycomb and metal-to-metal components. Shear properties smooth appearance advanced level: LOCTITE film adhesives includes advanced technologies to.! 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