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1. 发明授权

US11186725B2 Solvent system and method of preparing water based aerosol base paint 有权
公开(公告)号：US11186725B2
公开(公告)日：2021-11-30
申请号：US16491171
申请日：2018-03-06
申请人： Wisespray International Ltd
发明人： Ilkka Parviainen
IPC分类号： C09D5/02 , B65D83/14 , C08K3/20 , C09D167/08 , C09D133/00 , C09D175/06 , C09K3/30 , C08K3/22
摘要： A solvent system is provided, which enables increased amount of exact color tone recipes even when using with currently known dispensing machines having a minimum dispensing limit of 0.01-0.02 ml of a color paste component. The system enables a capability of tinting paints in a tone-accurate manner even into aerosol paint cans of small filling volume. The system provides a capability of radically reducing the amount of various ready-to-use aerosol paints and aerosol base paints stocked by a storekeeper. The disclosure provides an aerosol paint for tinting, as well as a tinted aerosol paint which is suitable for use in a process of mechanized tinting, and by which a good paint coverage on a painted surface is achieved.

2. 发明授权

US11155720B2 Water-based aerosol paint 有权
公开(公告)号：US11155720B2
公开(公告)日：2021-10-26
申请号：US16491177
申请日：2018-03-06
申请人： Wisespray International Ltd
发明人： Ilkka Parviainen
IPC分类号： C09K3/30 , C09D5/02 , B65D83/14 , C08K3/20 , C09D167/08 , C09D133/00 , C09D175/06 , C08K3/22
摘要： The invention relates to a water based paint composition to be used in a pressurized and sealed aerosol can and which composition contains A) up to 24% w/w of propellant gas which is dimethyl ether (DME); B) up to 76% w/w of coating material, consisting nonvolatile content in the range of 65-95% w/w and volatile content in the range of 5-35% w/w; —which volatile content contains water up to 0-100% w/w and additives, co-solvents and dispersing agents which comprise altogether of 0-9% w/w of volatile liquids, having 0-10% w/w preferably less than 5% w/w of volatile organic compounds (VOC) provided that the aggregate amount of dimethyl ether (DME) and the volatile organic compounds (VOC) in volatile liquids is such that VOC concentration is below 186 g/l (responding about 24% w/w, calculated as DME). In the present invention the nonvolatile content comprises color pigments and possible fillers in the range of 0-30% w/w, polyurethane modified alkyd resin or alkyd resin in the range of 25-99% w/w preferably in the range of 35-90% w/w and additives up to 9% w/w, which resin is present as an emulsified dispersion in water miscible solvent comprising water and dimethyl ether (DME).

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