Liquid crystal polymer technology chemicals and applications
AssigneeLCP Tech Holdings, LLC
InventorsThomas David Ferguson, Rakesh Govind
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Abstract
Liquid phase liquid crystal polymers (LCPs) are disclosed having a composition and structure that can be varied to provide desirable properties. The liquid phase LCPs have polyiminoborane, polyaminoborane, and/or borozine polymer backbone molecules, with silicon and/or phosphorous side chain molecules linked to the backbone that provide a degree of alignment assigned an Order Parameter (S), defined as S=⅓ [3 cos2 θ−1], where θ is the angle between the axis of an LCP molecule and the vertical direction. The inventive liquid phase LCPs have an average Order Parameter in the range of about 0.2 to about 0.99 and are applicable to a number of rinse, coolant, lubricant, sterilization and other protectant processes.
Claims19
A liquid phase liquid crystal polymer (LCP) compound comprising a polyiminoborane [BNH2]x, polyaminoborane [BNH4]x, and/or borozine polymer [B3N3H6]x backbone and at least one silicon and/or phosphorous side chain linked to the backbone, the compound exhibiting an average Order Parameter (S) in the range between about 0.2 to about 0.99 calculated by S=⅓ [3 cos2 θ−1], where θ is the angle between the axis of a liquid phase LCP molecule and the vertical direction, and where x is in a range of about 10 to about 90.
A liquid phase liquid crystal polymer (LCP) comprising a compound selected from the group consisting of (—BH—NR—BH—NR′—)x, (—BH2—NHR—BH—HNR′—)x,
- and combinations thereof, where x in the range of about 10 to about 90, R and R′ are (CH3)3SiO[SiO(CH3)2]nSi(CH3)3 and n is in the range of 1 to 130.
A rinse, lubricant, coolant, and/or protectant process for a part comprising treating the part with a liquid phase liquid crystal polymer (LCP) comprising a backbone chain of compounds selected from the group consisting of [BNH2]x, [BNH4]x, [B3N3H6]x, and combinations thereof, and at least one side chain comprising a compound selected from the group consisting of silicon, phosphorous, and combinations thereof linked to the backbone to form (—BH—NR—BH—NR′—)x (abbreviated as PIB), (—BW—NHR—BH—HNR′—)x (abbreviated as PAB), and/or
- (abbreviated as PBZ), where R and R′ are (CH3)3SiO[SiO(CH3)2]nSi(CH3)3, x is in the range of about 10 to about 90, and n is in the range of 20–100 for rinse processes, n is in the range of 1–10 for lubricant/cooling processes, n is in the range of 100–130 for surface sterilization processes, and n is in the range of 5–100 for protectant processes.
A method for rinsing process chemicals from an apparatus comprising
- contacting the processed apparatus under conditions sufficient to reduce the process chemical from the apparatus with a liquid phase liquid crystal polymer (LCP) having molecules of a polyiminoborane [BNH2]x, polyaminoborane [BNH4]x, and/or borozine polymer [B3N3H6]x backbone, and at least one silicon and/or phosphorous side chain linked to the backbone to form (—BH—NR—BH—NR′—)x (abbreviated as PIB), (—BH2—NHR—BH—HNR′—)x (abbreviated as PAB), and/or
- (abbreviated as PBZ), where R and R′ are (CH3)3SiO[SiO(CH3)2]nSi(CH3, x is in the range of about 10 to about 90, and n is in the range of 20–100 for rinse processes, n is in the range of 1–10 for lubricant/cooling processes, n is in the range of 100–130 for surface sterilization processes, and n is in the range of 5–100 for protectant processes, to result in an average Order Parameter (S) in the range of between about 0.2 to about 0.99 calculated by S=⅓ [3 cos2 θ−1], where θ is the angle between the axis of a liquid phase LCP molecule and the vertical direction.
A method for lubricating and/or cooling machined parts comprising
- contacting the part under conditions sufficient to lubricate and/or cool the part with a liquid phase liquid crystal polymer (LCP) having a polyiminoborane [BNH2]x, polyaminoborane [BNH4]x, and/or borozine polymer [B3N3H6]x backbone, and at least one silicon and/or phosphorous side chain linked to the backbone to yield an average Order Parameter (S) in the range between about 0.2 to about 0.99 calculated by S=⅓ [3 cos2 θ−1], where θ is the angle between the axis of a liquid phase LCP molecule and the vertical direction, and where x is in a range of about 10 to about 90.
An engine fluid comprising a liquid phase liquid crystal polymer (LCP) having a polyiminoborane [BNH2]x, polyaminoborane [BNH4]x, and/or borozine polymer [B3N3H6]x backbone, and at least one silicon and/or phosphorous side chain linked to the backbone to yield an average Order Parameter in the range between about 0.2 to about 0.99 calculated by S=⅓ [3 cos2 θ−1], where θ is the angle between the axis of a liquid phase LCP molecule and the vertical direction, and where x is in a range of about 10 to about 90.
A method for sterilizing a surface comprising contacting the surface under conditions sufficient to coat the surface with a liquid phase liquid crystal polymer (LCP) film having a polyiminoborane [BNH2]x, polyaminoborane [BNH4]x, and/or borozine [B3N3H6]x backbone, and at least one silicon and/or phosphorous side chain linked to the backbone to yield an average Order Parameter (S) in the range between about 0.2 to about 0.99 calculated by S=⅓ [3 cos2 θ−1], where θ is the angle between the axis of a liquid phase LCP molecule and the vertical direction, and where x is in a range of about 10 to about 90.
A method for protecting a surface comprising contacting the surface under conditions sufficient to coat the surface with a liquid phase liquid crystal polymer (LCP) film having a polyiminoborane [BNH2]x, polyaminoborane [BNH4]x, and/or borozine [B3N3H6]x backbone, and at least one silicon and/or phosphorous side chain linked to the backbone to yield an average Order Parameter (S) in the range between about 0.2 to about 0.99 calculated by S=⅓ [3 cos2 θ−1], where θ is the angle between the axis of a liquid phase LCP molecule and the vertical direction, and where x is in a range of about 10 to about 90.
A method for selecting a liquid phase liquid crystal polymer (LCP) for an indicated use comprising
- providing a liquid phase LCP comprising molecules of a polyiminoborane [BNH2]x, polyaminoborane [BNH4]x, and/or borozine [B3N3H6]x backbone, and
- adding to the backbone at least one side chain containing molecules selected from the group consisting of silicon, phosphorous, and combinations thereof, to result in the liquid phase LCP having a desired average Order Parameter less than a solid phase and calculated by S=⅓ [3 cos2 θ−1], where θ is the angle between the axis of a liquid phase LCP molecule and the vertical direction, and where x is in a range of about 10 to about 90.
Dependencies are inferred from the claim text.