METHOD OF APPLYING A SULPHUR-CONTAINING SEALING COMPOUND, APPARATUS THEREFOR, CORRESPONDINGLY TREATED AEROSPACE VEHICLE AND USE THEREOF

    公开(公告)号:US20180029071A1

    公开(公告)日:2018-02-01

    申请号:US15550498

    申请日:2016-02-12

    Applicant: Chemetall GMBH

    Abstract: The invention relates to a method of sealing, coating or/and aerodynamic smoothing of at least one connecting element that protrudes from a surface or/and for sealing, coating or/and aerodynamic smoothing of a surface at a gap or at an uneven connection site with a sulfur-containing SCOD sealing compound at at least one application site, especially on an aerospace component, with at least one nozzle element and with at least one irradiation unit, which is characterized in that i) a nozzle element contains a mixed sealing compound and is guided or/and mounted over the connecting element protruding from a surface, over the gap or/and over the uneven connection site, ii) the connecting element protruding from the surface, the gap or the uneven connection site is covered fully with sealing compound, the sealing compound forming a sealing compound cover essentially in the form of a sealing compound cap, a coating or/and a mound-shaped or bead-shaped elevation, iii) the nozzle element or at least a portion is raised if required from the surface having the sealing compound cover, and iv) the curing of the sealing compound is initiated with the aid of at least one irradiation unit by energy input and by release of a latent catalyst or is brought about by direct activation of at least one reaction component, such that the mixed sealing compound subsequently cures or/and cures further. The invention also relates to a corresponding apparatus, to the aerospace vehicle treated in this way and to the use of the method and the apparatus.

    Method of applying a sulphur-containing sealing compound, apparatus therefor, correspondingly treated aerospace vehicle and use thereof

    公开(公告)号:US12023709B2

    公开(公告)日:2024-07-02

    申请号:US15550498

    申请日:2016-02-12

    Applicant: Chemetall GMBH

    Abstract: The invention relates to a method of sealing, coating or/and aerodynamic smoothing of at least one connecting element that protrudes from a surface or/and for sealing, coating or/and aerodynamic smoothing of a surface at a gap or at an uneven connection site with a sulfur-containing SCOD sealing compound at at least one application site, especially on an aerospace component, with at least one nozzle element and with at least one irradiation unit, which is characterized in that i) a nozzle element contains a mixed sealing compound and is guided or/and mounted over the connecting element protruding from a surface, over the gap or/and over the uneven connection site, ii) the connecting element protruding from the surface, the gap or the uneven connection site is covered fully with sealing compound, the sealing compound forming a sealing compound cover essentially in the form of a sealing compound cap, a coating or/and a mound-shaped or bead-shaped elevation, iii) the nozzle element or at least a portion is raised if required from the surface having the sealing compound cover, and iv) the curing of the sealing compound is initiated with the aid of at least one irradiation unit by energy input and by release of a latent catalyst or is brought about by direct activation of at least one reaction component, such that the mixed sealing compound subsequently cures or/and cures further. The invention also relates to a corresponding apparatus, to the aerospace vehicle treated in this way and to the use of the method and the apparatus.

    MATRICES AND SEALANTS WHICH ARE BASED ON SULFUR-CONTAINING POLYMERS AND WHICH COMPRISE A PHOTOINITIATOR, CURING AND COATING METHODS, AND USE OF SAID MATRICES AND SEALANTS
    5.
    发明申请
    MATRICES AND SEALANTS WHICH ARE BASED ON SULFUR-CONTAINING POLYMERS AND WHICH COMPRISE A PHOTOINITIATOR, CURING AND COATING METHODS, AND USE OF SAID MATRICES AND SEALANTS 审中-公开
    基于含硫聚合物并包含光敏剂,固化和涂布方法的基质和密封剂,以及使用标准物质和密封剂

    公开(公告)号:US20150065599A1

    公开(公告)日:2015-03-05

    申请号:US14391590

    申请日:2013-04-09

    Applicant: Chemetall GmbH

    Abstract: A method for curing a mixture of a matrix and a curing agent based on sulfur-containing polymers on command and so rapidly that a tack-free surface results. A method for coating a substrate with the composition and of curing a sealant is also provided. The matrix and curing agent containing sulfur-containing polymers. The mixture is an uncured mixture with an isocyanate content, and the matrix is uncured and contains a mercaptan-terminated base polymer based on at least one polyether, polythioether, polysulfide or copolymers thereof. The uncured matrix, the curing agent, or both contain at least one photoinitiator based on sterically-inhibited tertiary amines. The mixture cures in the temperature range of −10 to +70° C. after the high-energy actinic radiation is applied. Corresponding matrices A, mixtures B, curing agents, sealant systems, and substrates, e.g., aircraft are contemplated.

    Abstract translation: 一种基于含硫聚合物的基质和固化剂的混合物的固化方法,并且如此迅速地使得产生无粘性的表面。 还提供了一种用该组合物涂覆基材并固化密封剂的方法。 含有硫的聚合物的基质和固化剂。 该混合物是具有异氰酸酯含量的未固化的混合物,基质是未固化的,并且基于至少一种聚醚,聚硫醚,多硫化物或其共聚物,含有硫醇封端的基础聚合物。 未固化的基质,固化剂或两者都含有至少一种基于空间抑制的叔胺的光引发剂。 在施加高能量光化辐射后,混合物在-10至+ 70℃的温度范围内固化。 预期相应的矩阵A,混合物B,固化剂,密封剂系统和基底,例如飞行器。

    Detergent for Gentle Removal of Inks and Markers

    公开(公告)号:US20170174912A1

    公开(公告)日:2017-06-22

    申请号:US15314575

    申请日:2015-06-16

    Applicant: Chemetall GmbH

    Abstract: The invention relates to a detergent for gentle removal of inks as used for marking in a roll mill, and to markers as used in production for temporary marking. According to the invention, the problem is solved by a detergent which permits the gentle removal of inks or markers from metallic surfaces in the form of a concentrate or a cleaning bath solution containing at least one water-immiscible solvent in an amount of 4 to 200 g/l, at least one anionic and/or nonionic surfactant in an amount of 8-300 g/l, at least one complexing agent in an amount of 1-100 g/l, at least one buffer substance in an amount of 1-100 g/1 and at least one water-miscible solvent in an amount of 4-200 g/1 in water.

    Fissure-Detection Agent, Method For The Production Thereof And Use Of The Fissure-Detection Agent
    8.
    发明申请
    Fissure-Detection Agent, Method For The Production Thereof And Use Of The Fissure-Detection Agent 审中-公开
    裂缝检测剂,其生产方法和裂缝检测剂的使用

    公开(公告)号:US20160252462A1

    公开(公告)日:2016-09-01

    申请号:US15028124

    申请日:2014-10-07

    Applicant: Chemetall GmbH

    CPC classification number: G01N21/91 C09B67/0033 C09B67/0071 G01M3/22

    Abstract: The invention relates to fissure-detection agents for fault detection according to the penetration method of metallic and/or non-metallic components, which are a micro-emulsion comprising at least 10 wt. % of water A), at least 0.1 wt. % of at least one dye B), at least 5 wt. % of at least one substantially water-insoluble liquid phase C) and at least 2 wt. % of at least one surfactant D) selected from non-ionic, anionic and/or amphoteric surfactants, the sum of all constituents being 100 wt. %, wherein the fissure-detection agent has a mean particle size in the range of 1 to 250 nm and a transparency of at least 70% at 600 nm. The invention also relates to the production of said fissure-detection agents, to a process for their preparation or/and disposal, and their use.

    Abstract translation: 本发明涉及根据金属和/或非金属组分的渗透方法进行故障检测的裂缝检测剂,它是一种微乳液,其包含至少10wt。 %的水A),至少0.1wt。 至少一种染料B的%),至少5wt。 %至少一种基本上不溶于水的液相C)和至少2重量% %的至少一种表面活性剂D)选自非离子,阴离子和/或两性表面活性剂,所有组分的总和为100重量% %,其中裂解检测剂的平均粒径在1〜250nm的范围内,透明度在600nm处为70%以上。 本发明还涉及所述裂缝检测剂的生产,其制备或/和处理方法及其应用。

    POLYUREA COATING SYSTEMS AS SEALANTS FOR THE EXTERIOR OF FUEL TANKS

    公开(公告)号:US20230018112A1

    公开(公告)日:2023-01-19

    申请号:US17781875

    申请日:2020-12-18

    Applicant: Chemetall GmBH

    Abstract: Disclosed herein is a 2K coating system consisting of two components (A) and (B) being separate from each other, where (A) includes at least one constituent (a1) containing at least one aromatic moiety and bearing on average at least two primary and/or secondary amino groups, where (B) includes at least one constituent (b1) containing at least one aromatic moiety and bearing on average at least two isocyanate groups, where each of (A) and (B) has a solid content of at least 95 wt.-%, based on the total weight of the respective component, and constituent (b1) present in component (B) bears carbodiimide and/or uretonimine units and at least one structural unit (I). Also disclosed herein are a coating composition obtainable by mixing components (A) and (B), a method of using said coating composition as sealant, a method of applying the coating composition to a substrate, and a sealed substrate.

    Sealing mass based on mercapto-terminated base polymer/epoxy compound and method for hardening by means of a photolatent catalyst

    公开(公告)号:US10717107B2

    公开(公告)日:2020-07-21

    申请号:US15550519

    申请日:2016-02-12

    Applicant: Chemetall GMBH

    Abstract: The present invention relates to a sealing compound for coating a substrate, which is a mixture of a predominantly uncured base mass and a curing agent containing at least one epoxy composition, wherein the base mass contains a mercapto-terminated base polymer based on polyether, polythioether, polythioethersulfide, polysulfide, copolymers thereof and/or mixtures thereof, wherein the base mass, the curing agent or both contain at least one photoinitiator based on a sterically hindered nitrogen-containing organic base, and, through the effects of high-energy actinic radiation, the at least one photoinitiator dissociates at least one radical per molecule based on a nitrogen-containing organic base, from which a nitrogen-containing organic base having a pKa value of the conjugated acid in the region of 6 to 30 is formed, which acts as an active catalyst for the curing of the base mass. The present invention also relates to a corresponding method for coating a substrate with a sealing compound.

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